Composition comprising a (poly)carbodiimide compound and a coloring agent

[0001] The present invention relates to a composition (C) for the treatment of keratin fibers, comprising at least one (poly)carbodiimide compound chosen from the compounds of formula (I), and at least one coloring agent chosen from pigments, direct dyes, and mixtures thereof.

[0002] The present invention also relates to a process for treating keratin fibers.

Technical field

[0003] In the field of dyeing keratin fibers, in particular human keratin fibers, it is already known practice to dye keratin fibers via various techniques using direct dyes or pigments for non-permanent dyeing, or dye precursors for permanent dyeing.

[0004] There are essentially three types of process for dyeing the hair:

[0005] a) "permanent" dyeing, the function of which is to afford a substantial modification to the natural color and which uses oxidation dyes which penetrate into the hair fiber and forms the dye via an oxidative condensation process;

[0006] b) non-permanent, semi-permanent or direct dyeing, which does not use the oxidative condensation process and withstands four or five shampoo washes; it consists in dyeing keratin fibers with dye compositions containing direct dyes.

[0007] c) temporary dyeing, which gives rise to a modification of the natural color of the hair that remains from one shampoo washing to the next, and which serves to enhance or correct a shade that has already been obtained. It may also be likened to a “makeup” process.

[0008] For this last type of dyeing, it is known practice to use colored polymers formed by grafting one or more dyes of azo, triphenylmethane, azine, indoamine or anthraquinone nature onto a polymer chain. These colored polymers are not entirely satisfactory, notably as regards the homogeneity of the coloring obtained and its resistance, not to mention the problems associated with their manufacture and notably with their reproducibility.

[0009] Another dyeing method consists in using pigments. Specifically, the use of pigment on the surface of keratin fibers generally makes it possible to obtain visible colorings on dark hair, since the surface pigment masks the natural color of the fiber. However, the colorings obtained via this dyeing method have the drawback of having poor resistance to shampoo washing and also to external agents such as sebum, perspiration, blow-drying and/or rubbing.

[0010] In addition, compositions for temporarily dyeing the hair may also lead to a hair feel that is uncosmetic and or not natural; the hair thus dyed may notably lack softness and/or suppleness and/or strand separation.

[0011] In addition, there are no effective makeup-removing compositions for removing this type of temporary dye composition when it is persistent with respect to shampoo washing.

[0012] The need thus remains for a composition for treating keratin fibers, notably the hair, which has the advantage of obtaining a homogeneous and smooth colored coating on the hair, and also hair with complete strand separation, while at the same time forming a coating that is persistent with respect to shampoo washing and to the various attacking factors to which the hair may be subjected, such as blow-drying and/or rubbing, without degrading the hair. There is also a need to be able to eliminate this colored coating when so desired.

[0013] Thus, the aim of the present invention is to develop a composition for treating keratin fibers, notably the hair, which has the advantage of obtaining a homogeneous and smooth colored coating on the hair, and also hair with complete strand separation, while at the same time forming a coating that is persistent with respect to shampoo washing and to the various attacking factors to which the hair may be subjected, such as blow-drying and/or rubbing, without degrading the hair. Advantageously, the colored coating can be readily eliminated when so desired.

Disclosure of the invention

[0014] One subject of the present invention is thus a composition (C) for the treatment of keratin fibers, comprising:

a) at least one (poly)carbodiimide compound chosen from the compounds of formula (I) as defined below, and

b) at least one coloring agent chosen from pigments, direct dyes, and mixtures thereof.

[0015] The present invention also relates to a process for cosmetically treating, in particular dyeing, keratin fibers such as the hair, in which composition (C) as defined above is applied to said fibers.

[0016] Through the use of this composition (C) on keratin fibers, colored coatings are obtained on the hair that make it possible to obtain a coloring that is visible on all types of hair in a manner that is persistent with respect to shampoo washing, while at the same time preserving the physical qualities of the keratin fibers. Such a coating may be resistant to the external attacking factors to which the hair may be subjected, such as blow-drying and perspiration. It makes it possible in particular to obtain a smooth and uniform deposit.

[0017] Moreover, this composition makes it possible to obtain hair with perfect strand separation, which can be styled without problem and which has good cosmetic properties, notably in terms of softness and feel.

[0018] Advantageously, the colored coating thus obtained can be readily eliminated by means of a makeup-removing composition.

[0019] The term “hair with strand separation ” means hair which, after application of the composition and drying, is not stuck together (or of which all the strands are separated from each other) and thus does not form clumps of hair.

[0020] For the purposes of the present invention, the term "coloring that is persistent with respect to shampoo washing " means that the coloring obtained persists after one shampoo wash, preferably after three shampoo washes, more preferentially after five shampoo washes.

[0021] The term “ keratin fibers ” particularly means human keratin fibers such as head hair, eyelashes, eyebrows, and bodily hair, preferentially head hair, eyebrows and eyelashes, even more preferentially head hair. [0022] The term “ at least one ” means one or more.

[0023] The invention is not limited to the illustrated examples. The features of the various examples may notably be combined within variants which are not illustrated.

[0024] For the purposes of the invention and unless otherwise indicated:

- an "alkyl" radical denotes a saturated linear or saturated branched hydrocarbon-based radical containing from 1 to 24 carbon atoms, particularly from 1 to 20 carbon atoms, more particularly from 1 to 12 carbon atoms, preferably of C1-C6, even more preferentially of C2-C4. For example, the alkyl group represents a methyl, an ethyl, a propyl, an isopropyl, a butyl, an isobutyl, a tert-butyl, a pentyl, an isopentyl, a hexyl, an isohexyl, a heptyl, an octyl, a nonyl or a decyl; preferably methyl, ethyl or propyl;

- an " aminoalkyl " radical denotes an alkyl radical as defined previously, said alkyl radical comprising an NH2 group;

- a "hydroxy alkyl" radical denotes an alkyl radical as defined previously, said alkyl radical comprising an OH group;

- an "alkylene" radical denotes a divalent alkyl group with “ alkyl ” as defined previously, preferentially of C2-C4, linear or branched, such as methylene, ethylene or propylene;

- a “ cycloalkyF or “ alicycloalkyF radical denotes a cyclic saturated monocyclic or bicyclic, preferably monocyclic, hydrocarbon-based group comprising from 1 to 3 rings, preferably 2 rings, and comprising from 3 to 24 carbon atoms, in particular comprising from 3 to 20 carbon atoms, more particularly from 3 to 13 carbon atoms, even more particularly from 3 to 12 carbon atoms, preferably between 5 and 10 carbon atoms, such as cyclopropyl, cyclopentyl, cyclohexyl, cycloheptyl or norbomyl, in particular cyclopropyl, cyclopentyl or cyclohexyl, it being understood that the cycloalkyl radical may be substituted with one or more (Ci-C4)alkyl groups such as methyl; preferably, the cycloalkyl group is then an isobomyl group,

- a cycloalkylene" radical denotes a divalent cycloalkyl group with “ cycloalkyF as defined previously, preferably of C3-C12;

- an "aryl" radical is a monocyclic, bicyclic or tricyclic, fused or non-fused, unsaturated and aromatic hydrocarbon-based cyclic radical, comprising from 6 to 14 carbon atoms, preferably between 6 and 12 carbon atoms; preferably, the aryl group comprises 1 ring of 6 carbon atoms such as phenyl, naphthyl, anthryl, phenanthryl and by phenyl, it being understood that the aryl radical may be substituted with one or more (Ci-C4)alkyl groups such as methyl, preferably tolyl, xylyl, or methylnaphthyl; preferably, the aryl group represents phenyl;

- an "arylene" radical is a divalent aryl radical with “ aryl” as defined previously; preferably, arylene represents phenylene;

- a “ heterocyclic ” radical denotes a saturated or unsaturated, non-aromatic or aromatic, monocyclic or polycyclic hydrocarbon-based radical, comprising one or more heteroatoms, preferably from 1 to 5 atoms chosen from O, S or N, including from 3 to 20 ring members, preferably between 5 and 10 ring members, such as imidazolyl, pyrrolyl and furanyl;

- a “ heterocycloalkylene' ’ radical is a divalent heterocyclic group with “ heterocyclic' ’ as defined previously;

- an aryloxy radical denotes an aryl-oxy or aryl-0 radical with “ aryl ” as defined previously;

- an “ alkoxy ” radical denotes an alkyl-oxy or alkyl-O- radical with “ alkyl ” as defined previously;

- an “ acyloxy ” radical denotes an ester radical R-C(0)-0- with R being an alkyl group as defined previously.

[0025] Composition (C) according to the invention is preferably a composition for dyeing keratin fibers such as the hair.

[0026] (Poly)carbodiimide compound:

[0027] Composition (C) according to the invention comprises at least one (poly)carbodiimide compound chosen from the compounds of formula (I) below:

[0028] [Chem. 1]

(I)

[0029] in which formula (I) :

- Xi and X2 independently represent an oxygen atom O, a sulfur atom S or an NH group;

- Ri and R2 independently represent a hydrocarbon-based radical optionally interrupted with one or more heteroatoms,

- n and z denote an integer ranging from 1 to 20, with n+z > 2 and w denotes an integer ranging from 1 to 3;

- Li independently represents a Ci-Cis divalent aliphatic hydrocarbon-based radical, a C3-C15 cycloalkylene radical, a C3-C12 heterocycloalkylene group or a C6-C14 arylene group, and mixtures thereof;

- E independently represents a group chosen from:

- -O-R3-O-; -S-R4-S-; -R5-N(R6)-R4-N(R6)-R5-;

in which ¾ and Rt independently represent a divalent hydrocarbon-based radical optionally interrupted with one or more heteroatoms;

- R5 independently represents a covalent bond or a saturated divalent hydrocarbon-based radical, optionally interrupted with one or more heteroatoms;

- Re independently represents a hydrogen atom or a hydrocarbon-based radical, optionally interrupted with one or more heteroatoms.

[0030] The composition may comprise at least two different (poly)carbodiimide compounds, present as a mixture in the composition.

[0031] The term “( poly)carbodiimide compound" means a compound comprising one or more carbodiimide groups, preferably at least two carbodiimide groups, more preferentially at least three carbodiimide groups; in particular, the number of carbodiimide groups does not exceed 200, preferably 150, more preferentially 100.

[0032] The term “carbodiimide group ” means a linear triatomic fraction of general formula - (N=C=N)-.

[0033] The term “ hydrocarbon-based radical" means a saturated or unsaturated, linear or branched radical containing from 1 to 300 carbon atoms, preferably from 1 to 250 carbon atoms, more preferentially from 1 to 200 carbon atoms. Preferably, the hydrocarbon-based radical is a saturated linear radical.

[0034] The hydrocarbon-based radical may comprise one or more cyclic groups.

[0035] The hydrocarbon-based radical may be interrupted with one or more heteroatoms, in particular chosen from O, S or N and/or substituted with one or more cations, anions or zwitterions or cationic groups such as ammonium, anionic groups such as carboxylate, or zwitterionic groups, and/or comprising a metal ion which may be incorporated in the form of a salt.

[0036] The term "heteroatom(s)" means an oxygen O, sulfur S or nitrogen N atom, and also halogen atoms such as Cl, F, Br and I. If the heteroatom is included in the chain of the hydrocarbon-based radical, the heteroatom is preferably chosen from oxygen O, sulfur S or nitrogen N atoms.

[0037] Preferably, Xi and X2 independently represent an oxygen atom.

[0038] Preferably, Ri and R2 are independently chosen from dialky lamino alcohols, alkyl esters of hydro xycarboxylic acid and monoalkyl ethers of (poly)alkylene glycol, in which a hydroxyl group has been removed, and mixtures thereof.

[0039] In a preferred embodiment, Ri and R2 are independently chosen from groups (i) to (iv) below:

[0040] (i) the compound of formula (II) below:

[0041] [Chem. 2]

R7-0-C(0)-C(R8)(H)- (II)

[0042] in which R7 represents a Ci-C3alkyl group and Rg represents a hydrogen atom or a C1-C3 alkyl group; preferably, R7 is a methyl and Rg is a hydrogen atom or a methyl.

[0043] (ii) the compound of formula (III) below:

[0044] [Chem. 3]

R9-[0-C¾-C(H)(RIO)]p- (HI)

[0045] in which R9 represents a C i -C ialk\ l group, Rio represents a hydrogen atom or a C1-C4 alkyl group and p denotes an integer ranging from 1 to 3; preferably, R is a methyl, ethyl or butyl, Rio is a hydrogen atom or a methyl and p is equal to 1.

[0046] (iii) the compound of formula (IV) below:

[0047] [Chem. 4]

(Rii)2N-CH2-C(H)(Ri2)- (IV)

[0048] in which Rn represents a Ci-Cialkvl group and RI2 represents a hydrogen atom or a C1-C4 alkyl group; preferably, Rn is a methyl, ethyl or butyl and R is a hydrogen atom or a methyl.

[0049] (iv) the compound of formula (V) below:

[0050] [Chem. 5]

Ri3-[0-CH2-C(H)(Ri4)]q- (V)

[0051] in which R represents a Ci-C4alkyl group or a phenyl, Rn represents a hydrogen atom or a C1-C4 alkyl group and q denotes an integer ranging from 4 to 30; preferably, Rn is a methyl, ethyl or butyl and Rn is a hydrogen atom or a methyl.

[0052] Preferably, Ri and R2 independently represent a compound of formula (V) in which Rn represents a C1-C4 alkyl group or a phenyl, preferably a C1-C4 alkyl group, more preferentially a methyl, Rn represents a hydrogen atom or a C1-C4 alkyl group, preferably a hydrogen atom and q denotes an integer ranging from 4 to 30.

[0053] According to an alternative embodiment, Ri and R2 are different and one of the radicals Ri or R2 represents a compound of formula (III) as described above and the other radical Ri or R2 represents a compound of formula (V) as described above.

[0054] Preferably, in formula (III), R is a methyl, ethyl or butyl and Rio is a hydrogen atom or a methyl and p is equal to 1.

[0055] Preferably, in formula (V), R13 is a methyl, ethyl or butyl and R14 is a hydrogen atom or a methyl and q denotes an integer ranging from 4 to 30.

[0056] According to another alternative embodiment, Ri and R2 are identical and represent a compound of formula (V) in which R13 represents a C1-C4 alkyl group or a phenyl, preferably a C1-C4 alkyl group, more preferentially a methyl, RI represents a hydrogen atom or a C1-C4 alkyl group, preferably a hydrogen atom and q denotes an integer ranging from 4 to 30.

[0057] Preferably, n is an integer ranging from 1 to 20, more preferentially from 2 to 20.

[0058] Preferably, z denotes an integer ranging from 1 to 20, more preferentially from 2 to 20.

[0059] Preferably, w is equal to 1.

[0060] Preferably, w is equal to 1, n+z denotes an integer ranging from 4 to 10.

[0061] Preferably, Li is chosen from a Ci-Cis divalent aliphatic hydrocarbon-based radical such as methylene, ethylene and propylene, a C3-C15 cycloalkylene radical such as cyclopentylene, cycloheptylene and cyclohexylene, a C3-Ci2heterocycloalkylene group such as imidazolene, pyrrolene and furanylene, or a C6-C14 arylene group such as phenylene, and mixtures thereof.

[0062] For example, Li may be chosen from a radical derived from tolylene diisocyanate, hexamethylene diisocyanate, xylylene diisocyanate, 2,2,4-trimethylhexamethylene diisocyanate, 1,12-dodecane diisocyanate, norbomane diisocyanate, 2,4-bis(8-isocyanatooctyl)-l,3-dioctylcyclobutane, 4,4'-dicylclohexylmethane diisocyanate, tetramethylxylylene diisocyanate, isophorone diisocyanate, 1,5-napththylene diisocyanate, 4,4'-diphenylmethane diisocyanate, 4,4'-diphenyldimethylmethane diisocyanate and phenylene diisocyanate, and mixtures thereof.

[0063] Preferably, Li is chosen from a C3-C15 cycloalkylene radical or a C6-C14 arylene group, and mixtures thereof, such as the compounds of formula (VI) below:

[0064] [Chem. 6]

(VI)

[0065] Preferably, Li is 4,4-dicyclohexylenemethane corresponding to formula (VII) below:

[0066] [Chem. 7]

[0067] According to another embodiment, when Li is a C6-C14 arylene group, Li is not the m-tetramethylxylylene radical represented by formula (VIII) below:

[0068] [Chem. 8]

[0069] As indicated previously, E independently represents a group chosen from:

- -O-R3-O-; -S-R4-S-; -R5-N(R6)-R4-N(R6)-R5-;

in which R3 and Rt independently represent a divalent hydrocarbon-based radical optionally interrupted with one or more heteroatoms;

- R5 independently represents a covalent bond or a saturated divalent hydrocarbon-based radical, optionally interrupted with one or more heteroatoms; and

- Re independently represents a hydrogen atom or a hydrocarbon-based radical, optionally interrupted with one or more heteroatoms.

[0070] Preferably, R3 and R4 are independently chosen from a C6-C14 arylene radical such as phenylene, a C3-C12 cycloalkylene radical such as cyclopropylene and cyclobutylene, a linear or branched Ci-Cis alkylene radical such as methylene and ethylene, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[0071] More preferentially, R3 and R4 are independently chosen from a linear or branched Ci-Cis alkylene radical such as methylene, butylene, propylene or ethylene, optionally interrupted with one or more heteroatoms.

[0072] Preferably, when Rs is not a covalent bond, Rs is chosen from a C6-C14 arylene radical such as phenylene, a C3-C12 cycloalkylene radical such as cyclopropylene and cyclobutylene, a linear or branched Ci-Cis alkylene radical such as methylene and ethylene, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[0073] Preferably, Re is chosen from a C6-C14 arylene radical such as phenylene, a C3-C12 cycloalkylene radical such as cyclopropylene and cyclobutylene, a linear or branched Ci-Cis alkylene radical such as methylene and ethylene, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[0074] Preferably, E represents a group -O-R3-O- in which ¾ is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched Ci-Cis alkylene radical, optionally intermpted with one or more heteroatoms, and mixtures thereof.

[0075] More preferentially, E represents a group- -O-R3-O- in which R3 represents a linear or branched Ci-Ci8 alkylene radical such as methylene, butylene, propylene or ethylene, optionally intermpted with one or more heteroatoms.

[0076] According to a particular embodiment, the (poly)carbodiimide compound is a copolymer derived from a-methylstyryl isocyanates of formula (IX) below:

[0077] [Chem. 9]

[0078] in which R independently represents an alkyl group containing from 1 to 24 carbon atoms, a cycloalkyl group containing from 3 to 24 carbon atoms or an aryl group containing from 6 to 24 carbon atoms, and

- n denotes an integer ranging from 2 to 100.

[0079] In this embodiment, the term "alkyl group" is as defined previously.

[0080] In this embodiment, the term "cycloalkyl group" is as defined previously.

[0081] In this embodiment, n may denote an integer ranging from 2 to 50, preferably from 3 to 30 and even more preferentially from 5 to 10.

[0082] According to another particular embodiment, the (poly)carbodiimide compound is a compound of formula (X) below:

[0083] [Chem. 10]

[0084] in which R independently represents an alkyl group containing from 1 to 24 carbon atoms, a cycloalkyl group containing from 3 to 24 carbon atoms or an aryl group containing from 6 to 24 carbon atoms.

[0085] The alkyl group, the cycloalkyl group and the aryl group are as defined previously.

[0086] Preferably, the (poly)carbodiimide compound is chosen from the compounds of formula (I) in which:

- Xi and X2 independently represent an oxygen atom;

- Ri and R2, are independently chosen from dialkylamino alcohols, alkyl esters of hydroxycarboxylic acid and monoalkyl ethers of (poly)alkylene glycol, in which a hydroxyl group has been removed, and mixtures thereof;

- n and z denote an integer ranging from 1 to 20, with n+z > 2 and w is equal to 1;

- Li is chosen from a Ci-Cis divalent aliphatic hydrocarbon-based radical, a C3-C15 cycloalkylene radical, a C3-C12 heterocycloalkylene group or a C6-C14 arylene group, and mixtures thereof;

- E independently represents a group chosen from:

- -O-R3-O-; -S-R4-S-; -R5-N(R6)-R4-N(R6)-R5-;

in which R3 and Rt are independently chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched Ci-Cis alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof;

- when R5 is not a covalent bond, Rs is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched Ci-Cis alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof; and

- Re is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched Ci-Cis alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[0087] More preferentially, the (poly)carbodiimide compound is chosen from the compounds of formula (I) in which:

- Xi and X2 independently represent an oxygen atom;

- Ri and R2 are independently monoalkyl ethers of (poly)alkylene glycol, in which a hydroxyl group has been removed;

- n and z denote an integer ranging from 1 to 20, with n+z > 2 and w is equal to 1;

- Li is a C3-C15 cycloalkylene radical;

- E independently represents a group chosen from:

- -O-R3-O-; -S-RrS-; -R5-N(R6)-R4-N(R6)-R5-;

in which R3 and Rt are independently chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched Ci-Cis alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof;

- when R5 is not a covalent bond, Rs is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched Ci-Cis alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof; and

- Re is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched Ci-Cis alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[0088] Even more preferentially, the (poly)carbodiimide compound is chosen from the compounds of formula (I) in which:

- Xi and X2 independently represent an oxygen atom;

- Ri and R2 independently represent the compound of formula (V) below:

[0089] [Chem. 11]

Ri3-[0-CH2-C(H)(Ri4)]q- (V)

[0090] in which R13 represents a C1-C4 alkyl group or a phenyl, preferably a C1-C4 alkyl group, more preferentially a methyl, R14 represents a hydrogen atom or a C1-C4 alkyl group, preferably a hydrogen atom and q denotes an integer ranging from 4 to 30;

- n and z denote an integer ranging from 2 to 20, with n-Hz ranging from 4 to 10 and w is equal to 1;

- Li is a C3-C15 cycloalkylene radical such as cyclopentylene, cycloheptylene, cyclohexylene and 4,4-dicyclohexylenemethane; and

- E represents a group -O-R3-O- in which R3 is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched Ci-Cis alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[0091] Even more preferentially, the (poly)carbodiimide compound is chosen from the compounds of formula (I) in which:

- Xi and X2 independently represent an oxygen atom;

- Ri and R2 independently represent the compound of formula (V) below:

[0092] [Chem. 12]

Ri3-[0-CH2-C(H)(Ri4)]q- (V)

[0093] in which R13 represents a C1-C4 alkyl group or a phenyl, preferably a C1-C4 alkyl group, more preferentially a methyl, RI represents a hydrogen atom or a C1-C4 alkyl group, preferably a hydrogen atom and q denotes an integer ranging from 4 to 30;

- n and z denote an integer ranging from 1 to 20, with n+z ranging from 4 to 10 and w is equal to 1;

- Li is a C3-C15 cycloalkylene radical such as cyclopentylene, cycloheptylene, cyclohexylene and 4,4-dicyclohexylenemethane, preferably 4,4-dicyclohexylenemethane; and

- E represents a group- -O-R3-O- in which R3 represents a linear or branched Ci-Cis alkylene radical such as methylene, butylene, propylene or ethylene, optionally interrupted with one or more heteroatoms.

[0094] According to a preferred embodiment, the (poly)carbodiimide compound is a compound of formula (XI) below:

[0095] [Chem. 13]

[0096] in which Li is 4,4-dicyclohexylenemethane, n and z denote an integer ranging from 1 to 20, with n+z ranging from 4 to 10, E represents a group -O-R3-O- in which R3 represents a linear or branched Ci-Cis alkylene radical such as methylene, propylene, butylene or ethylene, optionally interrupted with one or more heteroatoms, and r and s denote an integer ranging from 4 to 30.

[0097] The total amount of the (poly)carbodiimide compound(s), present in the composition according to the invention, preferably ranges from 0.01% to 40% by weight, more preferentially from 0.1% to 30% by weight, better still from 0.5% to 25% by weight and even better still from 1% to 10% by weight relative to the total weight of composition (C).

[0098] Aqueous dispersion of particles of polymers:

[0099] The composition (C) according to the invention may comprise at least one aqueous dispersion of particles of polymer(s) chosen from polyurethanes, acrylic polymers, and mixtures thereof.

[00100] Preferably, the composition (C) comprises at least one aqueous dispersion of particles of polymer(s) chosen from polyurethanes, acrylic polymers, and mixtures thereof.

[00101] The dispersion(s) may be simple dispersions in the aqueous medium of the cosmetic composition. As a particular case of dispersions, mention may be made of latexes.

[00102] The aqueous dispersion(s) of polymer particles may be chosen from aqueous dispersions of polyurethane particles.

[00103] More particularly, the polyurethane(s) present in the aqueous dispersions used in the present invention are derived from the reaction of:

[00104] - a prepolymer of formula (A) below:

[00105] [Chem.14]

[00106] in which:

- Ri represents a divalent radical of a dihydroxylated compound,

- R2 represents a radical of an aliphatic or cycloaliphatic polyisocyanate,

- R3 represents a radical of a low molecular weight diol, optionally substituted with one or more ionic groups,

- n represents an integer ranging from 1 to 5, and

- m is greater than 1;

[00107] - at least one chain extender according to formula (B) below:

[00108] [Chem.15]

H2N-R4-NH2 (B)

[00109] in which R4 represents an alkylene or alkylene oxide radical that is not substituted with one or more ionic or potentially ionic groups; and

[00110] - at least one chain extender according to formula (C) below:

[00111] [Chem.16]

H2N-R5-NH2 (C),

[00112] in which Rs represents an alkylene radical substituted with one or more ionic or potentially ionic groups.

[00113] Among the dihydroxylated compounds that may be used according to the present invention, mention may be made notably of the compounds containing two hydroxyl groups and having a number-average molecular weight from about 700 to about 16000, and preferably from about 750 to about 5000. As examples of dihydroxylated compounds of high molecular weight, mention may be made of polyol polyesters, polyol

polyethers, polyhydroxylated polycarbonates, polyhydroxylated polyacetates, polyhydroxylated polyacrylates, polyhydro xylated amide polyesters, polyhydroxylated polyalkadienes, polyhydroxylated polythioethers, and mixtures thereof. Preferably, the hydroxylated compounds are chosen from polyol polyesters, polyol polyethers, polyhydroxylated polycarbonates, and mixtures thereof.

[00114] The polyisocyanates that may be used according to the present invention are notably chosen from organic diisocyanates with a molecular weight of about 112 to 1000, and preferably about 140 to 400.

[00115] Preferably, the polyisocyanates are chosen from diisocyanates and more particularly from those represented by the general formula R2(NCO)2, in which R2 represents a divalent aliphatic hydrocarbon-based group containing from 4 to 18 carbon atoms, a divalent cycloaliphatic hydrocarbon-based group containing from 5 to 15 carbon atoms, a divalent araliphatic hydrocarbon-based group containing from 7 to 15 carbon atoms or a divalent aromatic hydrocarbon-based group containing from 6 to 15 carbon atoms.

[00116] Preferably, R2 represents an organic diisocyanate. As examples of organic diisocyanates, the following may notably be chosen: tetramethylene diisocyanate, 1,6-hexamethylene diisocyanate, dodecamethylene diisocyanate, 1,3-diisocyanatocyclohexane, 1,4-diisocyanatocyclohexane, 3-isocyanatomethyl-3,5,5-trimethylcyclohexane isocyanate (isophorone diisocyanate orlPDI), bis(4-isocyanatocyclohexyl)methane,

1 ,3 -bis(isocyanatomethyl)cyclohexane, 1 ,4-bis(isocyanatomethyl)cyclohexane, bis(4-isocyanato-3 -methyl-cyclohexyl/methane, isomers of toluene diisocyanate (TDI) such as toluene 2,4-diisocyanate, toluene 2,6-diisocyanate and mixtures thereof, hydrogenated toluene diisocyanate, diphenylmethane 4,4’-diisocyanate and mixtures with its diphenylmethane 2,4-diisocyanate isomers and optionally diphenylmethane 2,2'-diisocyanate isomers, naphthalene 1,5-diisocyanate, and mixtures thereof.

[00117] Preferably, the diisocyanates are aliphatic and cycloaliphatic diisocyanates, and are more preferentially chosen from 1,6-hexamethylene diisocyanate, 3-isocyanatomethyl-3,5,5-trimethylcyclohexane isocyanate, and mixtures thereof.

[00118] According to the present invention, the term “low molecular weight diol" refers to a diol with a molecular weight from about 62 to 700, and preferably from 62 to 200. These diols may comprise aliphatic, alicyclic or aromatic groups. Preferably, they comprise only aliphatic groups.

[00119] Preferably, R3 represents a low molecular weight diol containing more than 20 carbon atoms, more preferentially chosen from ethylene glycol, diethylene glycol, 1,2-propanediol, 1,3 -propanediol, 1,4-butanediol, 1,3-butylene glycol, neopentyl glycol, butylethylpropanediol, cyclohexanediol, 1,4-cyclohexanedimethanol, 1,6-hexanediol, bisphenol A (2,2-bis(4-hydroxyphenyl)propane), hydrogenated bisphenol A (2,2-bis(4-hydroxycyclohexyl)propane), and mixtures thereof.

[00120] The low molecular weight diols may optionally comprise ionic or potentially ionic groups.

Examples of low molecular weight diols containing ionic or potentially ionic groups are notably described in patent US 3 412054. Such compounds are preferably chosen from dimethylolbutanoic acid, dimethylolpropionic acid, polycaprolactone diols containing a carboxyl group, and mixtures thereof.

[00121] If low molecular weight diols containing ionic or potentially ionic groups are used, they are preferably used in an amount such that less than 0.30 meq of COOH per gram of polyurethane is present in the polyurethane dispersion.

[00122] The prepolymer is extended by means of two families of chain extenders. The first family of chain extenders corresponds to the compounds of general formula (B).

[00123] The chain extenders of formula (B) are preferably chosen from alkylenediamines, such as hydrazine, ethylenediamine, propylenediamine, 1,4-butylenediamine, piperazine; alkylene oxide diamines, such as 3-{2-[2-(3 -aminopropoxy)ethoxy] ethoxy [propylamine (also known as dipropylamine diethylene glycol orDPA-DEG available from Tomah Products, Milton, Wis.), 2-methyl-l,5-pentanediamine (Dytec A from DuPont), hexanediamine, isophorone diamine, 4,4-methylenedi(cyclohexylamine), ether-amines of the DPA series, available from Tomah Products, Milton, Wis., such as dipropylamine propylene glycol, dipropylamine dipropylene glycol, dipropylamine tripropylene glycol, dipropylamine polypropylene glycol), dipropylamine ethylene glycol, dipropylamine poly (ethylene glycol), dipropylamine 1,3 -propanediol, dipropylamine 2-methyl-1,3 -propanediol, dipropylamine 1,4-butanediol, dipropylamine 1,3-butanediol, dipropylamine 1,6-hexanediol and dipropylamine cyclohexane- 1,4-dimethanol; and mixtures thereof.

[00124] The second family of chain extenders corresponds to the compounds of general formula (C). Such compounds preferably have an ionic or potentially ionic group and two groups that can react with isocyanate groups. Such compounds may optionally comprise two groups that react with isocyanate groups and one group which is ionic or capable of forming an ionic group.

[00125] The ionic or potentially ionic group may preferably be chosen from ternary or quaternary ammonium groups or groups that can be converted into such groups, a carboxyl group, a carboxylate group, a sulfonic acid group and a sulfonate group. The at least partial conversion of groups that can be converted into a ternary or quaternary ammonium group salt may be performed before or during the mixing with water.

[00126] The chain extenders of formula (C) are preferably chosen from diaminosulfonates, for instance the sodium salt of N-(2-aminoethyl)-2-aminoethanesulfonic acid (ASA), the sodium salt of N-(2-aminoethyl)-2-aminopropionic acid, and mixtures thereof.

[00127] The polyurethane that may be used according to the present invention may optionally also comprise compounds which are located, respectively, at the chain ends and terminate said chains (chain terminators). Such compounds are notably described in patents US 7445770 and/or US 7452770.

[00128] Preferably, the aqueous dispersion of polyurethane particles has a viscosity of less than 2000 mPa.s at 23°C, more preferentially less than 1500, and even better still less than 1000. Even more preferably, the aqueous polyurethane dispersion has a glass transition temperature of less than 0°C.

[00129] Preferably also, the aqueous polyurethane dispersion has a polyurethane (or active material, or solids) content, on the basis of the weight of the dispersion, of from 20% to 60% by weight, more preferentially from 25% to 55% by weight and even better still from 30% to 50% by weight. This means that the polyurethane content (solids) of the aqueous dispersion is preferably from 20% to 60% by weight, more preferentially from 25% to 55% by weight and even better still from 30% to 50% by weight, relative to the total weight of the dispersion.

[00130] Preferably also, the aqueous dispersion of polyurethane particles has a glass transition temperature (Tg) of less than or equal to -25°C, preferably less than -35°C and more preferentially less than -40°C.

[00131] The polyurethane particles may have a mean diameter ranging up to about 1000 nm, for example from about 50 nm to about 800 nm, better still from about 100 nm to about 500 nm. These particle sizes may be measured with a laser particle size analyzer (for example Brookhaven BI90).

[00132] As nonlimiting examples of aqueous polyurethane dispersions, mention may be made of those sold under the name Baycusan® by Bayer, for instance Baycusan® C1000 (INCI name: polyurethane-34), Baycusan® ClOOl (INCI name: polyurethane-34), Baycusan® C1003 (INCI name: polyurethane-32), Baycusan® C1004 (INCI name: polyurethane-35) and Baycusan® C1008 (INCI name: polyurethane-48).

[00133] Mention may also be made of the aqueous polyurethane dispersions of isophthalic acid/adipic acid copolymer/hexylene glycol/neopentyl glycol/dimethylol acid/isophorone diisocyanate (INCI name:

Polyurethane- 1, such as Luviset® PUR, BASF), the polyurethane of polycarbonate, polyurethane and aliphatic polyurethane of aliphatic polyester (such as the Neorez® series, DSM, such as Neorez® R989, Neorez® and R-2202).

[00134] According to a preferred embodiment, the aqueous dispersion of polyurethane particles may be chosen from aqueous dispersions of particles of compounds having the INCI name polyurethane-35 or compounds having the INCI name polyurethane-34.

[00135] Preferably, the aqueous dispersion(s) of polymers according to the invention are chosen from aqueous dispersions of acrylic polymer particles, and more preferentially from aqueous dispersions of filmforming acrylic polymer particles.

[00136] For the purposes of the invention, the term “ polymer ” means a compound corresponding to the repetition of one or more units (these units being derived from compounds known as monomers). This or these unit(s) are repeated at least twice and preferably at least three times.

[00137] The term ‘‘film-forming polymer" refers to a polymer that is capable of forming, by itself or in the presence of an auxiliary film-forming agent, a macroscopically continuous film on a support, notably on keratin materials, and preferably a cohesive film.

[00138] For the purposes of the present invention, the term “ acrylic polymer” means a polymer synthesized from at least one monomer chosen from (meth)acrylic acid and/or (meth)acrylic acid ester and/or (meth)acrylic acid amide.

[00139] The unit(s) derived from the (meth)acrylic acid monomers of the polymer may optionally be in the form of salt(s), notably of alkali metal, alkaline-earth metal or ammonium salt(s), or organic base salt(s).

[00140] The (meth)acrylic acid esters (also known as (meth)acrylates) are advantageously chosen from alkyl (meth)acrylates, in particular Ci to C30, preferably Ci to C20 and better still Ci to C10 alkyl (meth)acrylates, aryl (meth)acrylates, in particular G, to C10 aryl (meth)acrylates, and hydroxyalkyl (meth)acrylates, in particular C2 to G hydroxyalkyl (meth)acrylates.

[00141] Among the alkyl (meth)acrylates that may be mentioned are methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, isobutyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, lauryl (meth)acrylate and cyclohexyl (meth)acrylate.

[00142] Among the hydroxyalkyl (meth)acrylates that may be mentioned are hydroxyethyl acrylate, 2-hydroxypropyl acrylate, hydroxyethyl methacrylate and 2-hydroxypropyl methacrylate.

[00143] Among the aryl (meth)acrylates that may be mentioned are benzyl acrylate and phenyl acrylate.

[00144] The (meth)acrylic acid esters that are particularly preferred are alkyl, preferably Ci to C30, more preferentially Ci to C20, even better still Ci to C10, and even more particularly Ci to Ct, alkyl (meth)acrylates.

[00145] According to the present invention, the alkyl group of the esters may be fluorinated, or even perfluorinated, i.e. some or all of the hydrogen atoms of the alkyl group are substituted with fluorine atoms.

[00146] As (meth)acrylic acid amides, examples that may be mentioned include (meth)acrylamides and also N-alkyl(meth)acrylamides, in particular N-(C2 to C12 alkyl)(meth)acrylamides. Among the N-alkyl(meth)acrylamides that may be mentioned are N-ethylacrylamide, N-t-butylacrylamide, N-t-octylacrylamide and N-undecylacrylamide.

[00147] The acrylic polymer according to the invention may be a homopolymer or a copolymer, advantageously a copolymer, better still a copolymer of (meth)acrylic acid and of (meth)acrylic acid esters.

[00148] Preferably, the acrylic polymer(s) according to the invention comprise one or more units derived from the following monomers:

a) (meth)acrylic acid; and

b) Ci to C30, more preferentially Ci to C20, better still Ci to C10, and even more particularly Ci to C4, alkyl (meth)acrylate.

[00149] Preferably, the aqueous dispersion of acrylic polymer particles does not comprise any surfactant.

[00150] The term "surfactant" refers to any agent that is capable of modifying the surface tension between two surfaces.

[00151] Among the acrylic polymers according to the invention, mention may be made of copolymers of (meth)acrylic acid and of methyl or ethyl (meth)acrylate, in particular copolymers of methacrylic acid and of ethyl acrylate such as the compound sold under the trade name Luvimer MAE by the company BASF, or the compound Polyacrylate-2 Crosspolymer sold under the trade name Fixate Superhold Polymer by the company Lubrizol, or the compound Acrylate Copolymer sold under the trade name Daitosol 3000 VP3 by the company Daito Kasei Kogyo, or the compound Acrylate Polymer sold under the trade name Daitosol 3000 SLPN-PE1 by the company Daito Kasei Kogyo.

[00152] The acrylic polymer may optionally comprise one or more additional monomers, other than the (meth)acrylic acid and/or (meth)acrylic acid ester and or (meth)acrylic acid amide monomers.

[00153] By way of additional monomer, mention will be made, for example, of styrene monomers, in particular styrene and a-methylstyrene, and preferably styrene.

[00154] In particular, the acrylic polymer may be a styrene/(meth)acrylate copolymer and notably a polymer chosen from copolymers resulting from the polymerization of at least one styrene monomer and at least one Ci to C20, preferably Ci to C10, alkyl (meth)acrylate monomer.

[00155] The Ci to Cio alkyl (meth)acrylate monomer may be chosen from methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, hexyl acrylate, octyl acrylate and 2-ethylhexyl acrylate.

[00156] As acrylic polymer, mention may be made of the styrene/(meth)acrylate copolymers sold under the name Joncryl 77 by the company BASF, under the name Yodosol GH41F by the company Akzo Nobel and under the name Syntran 5760 CG by the company Interpolymer.

[00157] Preferably, composition (C) comprises at least one aqueous dispersion of acrylic polymer particles.

[00158] More preferentially, composition (C) comprises at least one aqueous dispersion of acrylic polymer particles comprising one or more units derived from the following monomers:

a) (meth)acrylic acid; and

b) Ci to C30, more preferentially Ci to C20, better still Ci to Cio, and even more particularly Ci to C4, alkyl (meth)acrylate.

[00159] Preferably, the aqueous dispersion of acrylic polymer particles has an acrylic polymer (or active material, or solids) content, on the basis of the weight of the dispersion, of from 20% to 60% by weight, more preferentially from 22% to 55% by weight and better still from 25% to 50% by weight.

[00160] The total amount of the aqueous dispersion(s) of polymer particles, present in the composition according to the invention, preferably ranges from 0.1% to 40% by weight, more preferentially from 0.1% to 35% by weight and better still from 0.2% to 30% by weight, relative to the total weight of composition (C).

[00161] According to a preferred embodiment, the total amount of the aqueous dispersion(s) of acrylic polymer particles, present in the composition according to the invention, preferably ranges from 0.1% to 40% by weight, more preferentially from 0.1% to 35% by weight, and better still from 0.2% to 30% by weight, relative to the total weight of composition (C).

[00162] Silicone:

[00163] Composition (C) may comprise at least one silicone.

[00164] Preferably, composition (C) comprises at least one silicone.

[00165] Preferably, composition (C) comprises at least one silicone chosen from non-amino silicones, amino silicones and mixtures thereof.

[00166] The silicones may be solid or liquid at 25°C and atmospheric pressure (1.013 c 105 Pa), and volatile or nonvolatile.

[00167] The silicones that may be used may be soluble or insoluble in the composition according to the invention; they may be in the form of oil, wax, resin or gum; silicone oils are preferred.

[00168] Silicones are notably described in detail in Walter Noll’s Chemistry and Technology of Silicones (1968), Academic Press.

[00169] Preferably, the composition contains one or more silicones that are liquid at 25°C and atmospheric pressure (1.013xl05 Pa).

[00170] The volatile silicones may be chosen from those with a boiling point of between 60°C and 260°C (at atmospheric pressure) and more particularly from:

i) cyclic polydialkylsiloxanes including from 3 to 7 and preferably 4 to 5 silicon atoms, such as

- octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane.

[00171] Mention may be made of the products sold under the name Volatile Silicone 7207 by Union Carbide or Silbione 70045 V 2 by Rhodia, Volatile Silicone 7158 by Union Carbide or Silbione 70045 V 5 by Rhodia.

[00172] - cyclocopolymers of the dimethylsiloxane/methylalkylsiloxane type having the chemical structure:

[00173] [Chem.17]

[00174] Preferably cyclomethylsiloxane.

[00175] Mention may be made of Volatile Silicone FZ 3109 sold by the company Union Carbide.

[00176] - mixtures of cyclic silicones with silicon-derived organic compounds, such as the mixture of octamethylcyclotetrasiloxane and of tetratrimethylsilylpentaerythritol (50/50) and the mixture of octamethylcyclotetrasiloxane and of l,l'-oxy(2,2,2',2',3,3'-hexatrimethylsilyloxy)bisneopentane;

[00177] ii) linear polydialkylsiloxanes containing 2 to 9 silicon atoms, which generally have a viscosity of less than or equal to 5 c 106 m2/s at 25°C, such as decamethyltetrasiloxane.

[00178] Other silicones belonging to this category are described in the article published in Cosmetics and Toiletries, Vol. 91, Jan. 76, pages 27-32, Todd & Byers Volatile Silicone Fluids for Cosmetics, mention may be made of the product sold under the name SH 200 by the company Toray Silicone.

[00179] Among the nonvolatile silicones, mention may be made, alone or as a mixture, of polydialkylsiloxanes and notably polydimethylsiloxanes (PDMS), polydiarylsiloxanes, polyalkylarylsiloxanes, silicone gums and resins, and also organopolysiloxanes (or organomodified polysiloxanes, or alternatively organomodified silicones) which are polysiloxanes including in their structure one or more organofunctional groups, generally attached via a hydrocarbon-based group, and preferably chosen from aryl groups, amine groups, alkoxy groups and polyoxyethylene or polyoxypropylene groups. Preferably, the nonvolatile silicones are chosen from poly dimethyl/methylsiloxanes which are optionally oxyethylenated and oxypropylenated.

[00180] The organomodified silicones may be polydiarylsiloxanes, notably polydiphenylsiloxanes, and polyalkylarylsiloxanes, functionalized with the organofunctional groups mentioned previously. The polyalkylarylsiloxanes are particularly chosen from linear and/or branched polydimethyl methylphenylsiloxanes andpolydimethyl/diphenylsiloxanes.

[00181] Among the organomodified silicones, mention may be made of organopolysiloxanes including:

- polyoxyethylene and/or polyoxypropylene groups optionally including C6-C24 alkyl groups, such as dimethicone copolyols, and notably those sold by the company Dow Coming under the name DC 1248 or the oils Silwet® L 722, L 7500, L 77 and L 711 from the company Union Carbide; or alternatively (C12)alkylmethicone copolyols, and notably those sold by the company Dow Coming under the name Q25200;

- substituted or unsubstituted amine groups, in particular C1-C4 aminoalkyl groups; mention may be made of the products sold under the name GP4 Silicone Fluid and GP7100 by the company Genesee, or under the names Q2-8220 and DC929 or DC939 by the company Dow Coming;

- thiol groups, such as the products sold under the names GP 72 A and GP 71 from Genesee;

- alkoxylated groups, such as the product sold under the name Silicone Copolymer F-755 by SWS Silicones and Abil Wax® 2428, 2434 and 2440 by the company Goldschmidt;

- hydro xylated groups, for instance polyorganosiloxanes bearing a hydroxyalkyl function;

- acyloxyalkyl groups, such as the polyorganosiloxanes described in patent US-A-4957732;

- anionic groups of the carboxylic acid type, as described, for example, in EP 186507, or of the alky lcarboxy lie type, such as the product X-22-3701E from the company Shin-Etsu; or alternatively of the 2-hydroxyalkylsulfonate or 2 -hydro xyalkylthiosulfate type, such as the products sold by the company Goldschmidt under the names Abil® S201 and Abil® S255;

- hydro xyacylamino groups, such as the polyorganosiloxanes described in patent application EP 342834; mention may be made, for example, of the product Q2-8413 from the company Dow Coming.

[00182] The silicones may also be chosen from poly dialky lsiloxanes, among which mention may be made mainly of polydimethylsiloxanes bearing trimethylsilyl end groups. Among these polydialkylsiloxanes, mention may be made of the following commercial products:

- the Silbione® oils of the 47 and 70047 series or the Mirasil® oils sold by Rhodia, for instance the oil 70047 V 500000;

- the oils of the Mirasil® series sold by the company Rhodia;

- the oils of the 200 series from the company Dow Coming, such as DC200, with a viscosity of 60000 mm2/s;

- the Viscasil® oils from General Electric and certain oils of the SF series (SF 96, SF 18) from General Electric.

[00183] Mention may also be made of polydimethylsiloxanes bearing dimethylsilanol end groups, known under the name dimethiconol (CTFA), such as the oils of the 48 series from the company Rhodia.

[00184] In this category of polydialkylsiloxanes, mention may also be made of the products sold under the names Abil Wax® 9800 and 9801 by the company Goldschmidt, which are poly(Cl-C20)dialkylsiloxanes.

[00185] Products that may be used more particularly in accordance with the invention are mixtures such as:

- mixtures formed from a polydimethylsiloxane with a hydroxy-terminated chain, or dimethiconol (CTFA), and from a cyclic polydimethylsiloxane, also known as cyclomethicone (CTFA), such as the product Q2-1401 sold by the company Dow Coming,

- mixtures formed from a polydimethylsiloxane with a hydroxy-terminated chain, or dimethiconol (CTFA), and from a cyclic polydimethylsiloxane, also known as dimethicone (CTFA), such as the product PMX-1503 Fluid sold by the company Dow Coming.

[00186] The polyalkylarylsiloxanes are particularly chosen from linear and/or branched polydimethyl/methylphenylsiloxanes and polydimethyl/diphenylsiloxanes with a viscosity ranging from 1 c 105 to 5 x 102 m2/s at 25°C.

[00187] Among these polyalkylarylsiloxanes, mention may be made of the products sold under the following names:

- the Silbione® oils of the 70641 series from Rhodia;

- the oils of the Rhodorsil® 70633 and 763 series from Rhodia;

- the oil Dow Coming 556 Cosmetic Grade Fluid from Dow Coming;

- the silicones of the PK series from Bayer, such as the product PK20;

- the silicones of the PN and PH series from Bayer, such as the products PN1000 and PH 1000;

- certain oils of the SF series from General Electric, such as SF 1023, SF 1154, SF 1250 and SF 1265.

[00188] Preferably, composition (C) comprises at least one amino silicone. The term “ amino silicone ” denotes any silicone including at least one primary, secondary or tertiary amine or a quaternary ammonium group.

[00189] The weight-average molecular masses of these amino silicones may be measured by gel permeation chromatography (GPC) at room temperature (25°C), as polystyrene equivalent. The columns used are m styragel columns. The eluent is THF and the flow rate is 1 ml/minute. 200 mΐ of a 0.5% by weight solution of silicone in THF are injected. Detection is performed by refractometry and UV-metry.

[00190] Preferably, the amino silicone(s) that may be used in the context of the invention are chosen from:

[00191] a) the polysiloxanes corresponding to formula (A):

[00192] [Chem. 18]

[00193] in which x’ and y’ are integers such that the weight-average molecular weight (Mw) is between 5000 and 500000 approximately.

[00194] b) the amino silicones corresponding to formula (B) :

[00195] R'aG3-a-Si(0SiG2)n-(0SiGbR'2-b)m-0-SiG3-a-R'a (B)

[00196] in which:

- G, which may be identical or different, denotes a hydrogen atom or a phenyl, OH, Ci-Cs alkyl, for example methyl, or Ci-Cs alkoxy, for example methoxy, group,

- a, which may be identical or different, denotes 0 or an integer from 1 to 3, in particular 0,

- b denotes 0 or 1, in particular 1,

- m and n are numbers such that the sum (n + m) varies from 1 to 2000 and notably from 50 to 150, it being possible for n to denote a number from 0 to 1999 and in particular from 49 to 149 and it being possible for m to denote a number from 1 to 2000 and in particular from 1 to 10;

- R’, which may be identical or different, denotes a monovalent radical of formula -CqH2qL in which q is a number ranging from 2 to 8 and L is an optionally quatemized amine group chosen from the following groups: -N(R")2; -N+(R")3 A-; -NR"-Q-N(R")2 and -NR"-Q-N+(R")3 A-, in which R”, which may be identical or different, denotes hydrogen, phenyl, benzyl, or a saturated monovalent hydrocarbon-based radical, for example a C1-C20 alkyl radical; Q denotes a linear or branched group of formula CrH2r, r being an integer ranging from 2 to 6, preferably from 2 to 4; and A- represents a cosmetically acceptable anion, notably a halide anion such as a fluoride, chloride, bromide or iodide anion.

[00197] Preferably, the amino silicone(s) are chosen from the amino silicones of formula (B). Preferably, the amino silicones of formula (B) are chosen from the amino silicones corresponding to formulae (C), (D), (E), (F) and/or (G) below.

[00198] According to a first embodiment, the amino silicones corresponding to formula (B) are chosen from the silicones known as "trimethylsilyl amodimethicone" corresponding to formula (C):

[00199] [Chem. 19]

[00200] in which m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, it being possible for n to denote a number from 0 to 1999 and in particular from 49 to 149, and for m to denote a number from 1 to 2000 and in particular from 1 to 10.

[00201] According to a second embodiment, the amino silicones corresponding to formula (B) are chosen from the silicones of formula (D) below:

[00202] [Chem. 20]

[00203] in which:

- m and n are numbers such that the sum (n + m) varies from 1 to 1000, notably from 50 to 250 and more particularly from 100 to 200, it being possible for n to denote a number from 0 to 999, in particular from 49 to 249 and more particularly from 125 to 175 and it being possible for m to denote a number from 1 to 1000, in particular from 1 to 10 and more particularly from 1 to 5;

- Ri, R2 and R3, which may be identical or different, represent a hydroxyl or C1-C4 alkoxy radical, at least one of the radicals Ri to R3 denoting an alkoxy radical.

[00204] Preferably, the alkoxy radical is a methoxy radical.

[00205] The hydro xy/alkoxy mole ratio preferably ranges from 0.2:1 to 0.4:1 and preferably from 0.25:1 to 0.35:1 and more particularly is equal to 0.3:1.

[00206] The weight-average molecular weight (Mw) of these silicones preferably ranges from 2000 to 1 000 000 and more particularly from 3500 to 200000.

[00207] According to a third embodiment, the amino silicones corresponding to formula (B) are chosen from the silicones of formula (E) below:

[00208] [Chem. 21]

[00209] in which:

- p and q are numbers such that the sum (p + q) ranges from 1 to 1000, notably from 50 to 350 and more particularly from 150 to 250; p possibly denoting a number from 0 to 999 and in particular from 49 to 349 and more particularly from 159 to 239, and q possibly denoting a number from 1 to 1000, notably from 1 to 10 and more particularly from 1 to 5;

- Ri and R2, which may be different, represent a hydroxyl or C1-C4 alkoxy radical, at least one of the radicals Ri or R2 denoting an alkoxy radical.

[00210] Preferably, the alkoxy radical is a methoxy radical.

[00211] The hydroxy /alkoxy mole ratio generally ranges from 1 :0.8 to 1:1.1 and preferably from 1 :0.9 to 1:1 and more particularly is equal to 1:0.95.

[00212] The weight-average molecular mass (Mw) of the silicone preferably ranges from 2000 to 200000, even more particularly from 5000 to 100000 and more particularly from 10000 to 50000.

[00213] The commercial products comprising silicones of structure (D) or (E) may include in their composition one or more other amino silicones whose structure is different from formula (D) or (E).

[00214] A product containing amino silicones of structure (D) is sold by the company Wacker under the name Belsil® ADM 652.

[00215] A product containing amino silicones of structure (E) is sold by Wacker under the name Fluid WR 1300® or Belsil® ADM LOG 1.

[00216] When these amino silicones are used, one particularly advantageous embodiment consists in using them in the form of an oil-in-water emulsion. The oil-in-water emulsion may comprise one or more surfactants.

The surfactants may be of any nature but are preferably cationic and/or nonionic. The number-mean size of the silicone particles in the emulsion generally ranges from 3 nm to 500 nanometers. Preferably, notably as amino silicones of formula (E), use is made of microemulsions with a mean particle size ranging from 5 nm to 60 nanometers (limits included) and more particularly from 10 nm to 50 nanometers (limits included). Thus, use may be made according to the invention of the amino silicone microemulsions of formula (E) sold under the names Finish CT 96 E® or SLM 28020® by the company Wacker.

[00217] According to a fourth embodiment, the amino silicones corresponding to formula (B) are chosen from the silicones of formula (F) below:

[00218] [Chem. 22]

[00219] in which:

- m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10;

- A denotes a linear or branched alkylene radical containing from 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably linear.

[00220] The weight-average molecular mass (Mw) of these amino silicones preferably ranges from 2000 to 1

000000 and even more particularly from 3500 to 200000.

[00221] Another silicone corresponding to formula (B) is, for example, the Xiameter MEM 8299 Emulsion from Dow Coming (INCI name: amodimethicone and trideceth-6 and cetrimonium chloride).

[00222] According to a fifth embodiment, the amino silicones corresponding to formula (B) are chosen from the silicones of formula (G) below:

[00223] [Chem. 23]

[00224] in which:

- m and n are numbers such that the sum (n + m) ranges from 1 to 2000 and in particular from 50 to 150, n possibly denoting a number from 0 to 1,999 and notably from 49 to 149, and m possibly denoting a number from 1 to 2000 and notably from 1 to 10;

- A denotes a linear or branched alkylene radical containing from 4 to 8 carbon atoms and preferably 4 carbon atoms. This radical is preferably branched.

[00225] The weight-average molecular mass (Mw) of these amino silicones preferably ranges from 500 to 1 000000 and even more particularly from 1000 to 200000.

[00226] A silicone corresponding to this formula is, for example, DC2-8566 Amino Fluid from Dow Coming;

[00227] c) the amino silicones corresponding to the formula (H):

[00228] [Chem. 24]

[00229] in which:

- R5 represents a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a C1-C18 alkyl or C2-C18 alkenyl radical, for example methyl;

- R6 represents a divalent hydrocarbon-based radical, notably a C1-C18 alkylene radical or a divalent C1-C18, and for example C1-C8, alkylenoxy radical linked to the Si via an SiC bond;

- Q- is an anion, such as a halide ion, in particular a chloride ion, or an organic acid salt, in particular an acetate; - r represents a mean statistical value ranging from 2 to 20 and in particular from 2 to 8;

- s represents a mean statistical value ranging from 20 to 200 and in particular from 20 to 50.

[00230] Such amino silicones are notably described in patent US 4 185 087.

[00231] - d) the quaternary ammonium silicones of formula (I):

[00232] [Chem. 25]

[00233] in which:

- R7, which may be identical or different, represents a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a Ci-Cis alkyl radical, a C2-C18 alkenyl radical or a ring containing 5 or 6 carbon atoms, for example methyl;

- R6 represents a divalent hydrocarbon-based radical, notably a Ci-Cis alkylene radical or a divalent Ci-Cis, for example Ci-Cs, alkyleneoxy radical linked to the Si via an SiC bond;

- R8, which may be identical or different, represent a hydrogen atom, a monovalent hydrocarbon-based radical containing from 1 to 18 carbon atoms, and in particular a Ci-Cis alkyl radical, a C2-C18 alkenyl radical or a -R5-NHCOR7 radical;

- X- is an anion, such as a halide ion, in particular a chloride iron, or an organic acid salt, in particular an acetate;

- r represents a mean statistical value ranging from 2 to 200 and in particular from 5 to 100.

[00234] These silicones are described, for example, in patent application EP-A 0 530 974.

[00235] e) the amino silicones of formula (J):

[00236] [Chem. 26]

[00237] in which:

- Ri, R2, R3 and R4, which may be identical or different, denote a C1-C4 alkyl radical or a phenyl group,

- R5 denotes a C1-C4 alkyl radical or a hydroxyl group,

- n is an integer ranging from 1 to 5,

- m is an integer ranging from 1 to 5, and

- x is chosen such that the amine number ranges from 0.01 to 1 meq/g.

[00238] f) the multiblock polyoxyalkylenated amino silicones of type (AB)n, A being a polysiloxane block and B being a polyoxyalkylene block including at least one amine group.

[00239] Said silicones are preferably formed from repeating units having the following general formulae:

[00240] [Chem. 27]

[-(SiMe20)xSiMe2 - R -N(R")- R'-0(C2H40)a(C3H60)b -R'-N(H)-R-]

[00241] or alternatively

[00242] [Chem. 28]

[-(SiMe20)xSiMe2 - R -N(R")- R - 0(C2H40)a(C3H60)b -]

[00243] in which:

- a is an integer greater than or equal to 1, preferably ranging from 5 to 200 and more particularly ranging from 10 to 100;

- b is an integer of between 0 and 200, preferably ranging from 4 to 100 and more particularly between 5 and 30;

- x is an integer ranging from 1 to 10000 and more particularly from 10 to 5000;

- R" is a hydrogen atom or a methyl;

- R, which may be identical different, represent a linear or branched divalent C2-Ci2 hydrocarbon-based radical, optionally including one or more heteroatoms such as oxygen; preferably, R denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical or a radical

CH2 CH2 CH2OCH2 CH(OH) CH2 - ; preferentially, R denotes a radical CH2CH2CH2OCH2CH(OH)CH2-;

- R’, which may be identical or different, represent a linear or branched divalent C2-Ci2 hydrocarbon-based radical, optionally including one or more heteroatoms such as oxygen; preferably, R’ denotes an ethylene radical, a linear or branched propylene radical, a linear or branched butylene radical or a radical

CH2 CH2 CH2OCH2 CH(OH) CH2 - ; preferentially, R’ denotes -CH(CH3)-CH2-.

[00244] The siloxane blocks preferably represent from 50 mol% to 95 mol% of the total weight of the silicone, more particularly from 70 mol% to 85 mol%.

[00245] The amine content is preferably between 0.02 and 0.5 meq/g of copolymer in a 30% solution in dipropylene glycol, more particularly between 0.05 and 0.2.

[00246] The weight-average molecular mass (Mw) of the silicone is preferably between 5000 and 1 000000 and more particularly between 10000 and 200000.

[00247] Mention may in particular be made of the silicones sold under the name Silsoft A-843 or Silsoft A+ by Momentive.

[00248] g) and mixtures thereof.

[00249] Preferably, the amino silicones of formula (B) are chosen from the amino silicones corresponding to formula (E).

[00250] Preferably, the composition according to the invention comprises at least one amino silicone having the INCI name amodimethicone, preferably introduced in the form of an emulsion or microemulsion with surfactants.

[00251] Preferably, the composition according to the invention comprises at least one amino silicone having the INCI name amodimethicone as an emulsion or microemulsion with surfactants, having the INCI names trideceth-5 and trideceth-10.

[00252] The silicone(s) may be present in a total amount ranging from 0.01% to 20% by weight relative to the total weight of the composition, preferably from 0.05% to 15% by weight, more preferentially from 0.1% to 10% by weight, more preferentially from 0.1% to 5% by weight relative to the total weight of composition (C).

[00253] When composition (C) comprises one or more amino silicones, the total amount of amino silicone(s) may range from 0.01% to 20% by weight, preferably from 0.05% to 15% by weight, better still from 0.1% to 10% by weight and more preferentially from 0.1% to 5% by weight relative to the total weight of composition (C).

[00254] Coloring agent:

[00255] Composition (C) according to the invention comprises at least one coloring agent chosen from pigments, direct dyes and mixtures thereof.

Claims

[Claim 1] A composition (C) for the treatment of keratin fibers, comprising:

a) at least one (poly)carbodiimide compound chosen from the compounds of formula (I) below:

(I)

in which formula (I):

- Xi and X2 independently represent an oxygen atom O, a sulfur atom S or a nitrogen atom NH;

- Ri and R2 independently represent a hydrocarbon-based radical optionally interrupted with one or more heteroatoms,

- n and z denote an integer ranging from 1 to 20, with n+z > 2 and w denotes an integer ranging from 1 to 3;

- Li independently represents a C1-C18 divalent aliphatic hydrocarbon-based radical, a C3-C15 cycloalkylene radical, a C3-C12 heterocycloalkylene group or a C6-C14 arylene group, and mixtures thereof;

- E independently represents a group chosen from:

- -O-R3-O-; -S-R4-S-; -R5-N(R6)-R4-N(R6)-R5-;

in which R3 and R4 independently represent a divalent hydrocarbon-based radical optionally interrupted with one or more heteroatoms;

- R5 independently represents a covalent bond or a saturated divalent hydrocarbon-based radical, optionally interrupted with one or more heteroatoms;

- R6 independently represents a hydrogen atom or a hydrocarbon-based radical, optionally interrupted with one or more heteroatoms, and

b) at least one coloring agent chosen from pigments, direct dyes, and mixtures thereof.

[Claim 2] The composition as claimed in claim 1, characterized in that the (poly)carbodiimide compound(s) is (are) chosen from the compounds of formula (I) in which:

- Xi and X2 independently represent an oxygen atom;

- Ri and R2 are independently chosen from dialkylamino alcohols, alkyl esters of hydroxycarboxylic acid and monoalkyl ethers of (poly)alkylene glycol, in which a hydroxyl group has been removed, and mixtures thereof;

- n and z denote an integer ranging from 1 to 20, with n+z > 2 and w is equal to 1 ;

- Li is chosen from a C1-C18 divalent aliphatic hydrocarbon-based radical, a C3-C15 cycloalkylene radical, a C3-C12 heterocycloalkylene group or a C6-C14 arylene group, and mixtures thereof;

- E independently represents a group chosen from:

- -O-R3-O-; -S-R4-S-; -R5-N(R6)-R4-N(R6)-R5-;

in which R3 and R4 are independently chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched C1-C18 alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof;

- when R5 is not a covalent bond, R5 is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched C1-C18 alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof; and

- R6 is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched C1-C18 alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[Claim 3] The composition as claimed in either one of the preceding claims, characterized in that the (poly)carbodiimide compound(s) is (are) chosen from the compounds of formula (I) in which:

- Xi and X2 independently represent an oxygen atom;

- Ri and R2 are, independently, monoalkyl ethers of (poly)alkylene glycol, in which a hydroxyl group has been removed;

- n and z denote an integer ranging from 1 to 20, with n+z > 2 and w is equal to 1 ;

- Li is a C3-C15 cycloalkylene radical;

- E independently represents a group chosen from:

- -O-R3-O-; -S-R4-S-; -R5-N(R6)-R4-N(R6)-R5-;

in which R3 and R4 are independently chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched C1-C18 alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof;

- when R5 is not a covalent bond, R5 is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched C1-C18 alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof; and

- R6 is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched C1-C18 alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[Claim 4] The composition as claimed in any one of the preceding claims, characterized in that the (poly)carbodiimide compound(s) is (are) chosen from the compounds of formula (I) in which:

- Xi and X2 independently represent an oxygen atom;

- Ri and R2 independently represent the compound of formula (V) below:

Ri3-[0-CH2-C(H)(Ri4)]q- (V)

in which R13 represents a C1-C4 alkyl group or a phenyl, preferably a C1-C4 alkyl group, more preferentially a methyl, R14 represents a hydrogen atom or a C1-C4 alkyl group, preferably a hydrogen atom and q denotes an integer ranging from 4 to 30;

- n and z denote an integer ranging from 2 to 20, with n+z ranging from 4 to 10 and w is equal to 1 ;

- Li is a C3-C15 cycloalkylene radical such as cyclopentylene, cycloheptylene, cyclohexylene and 4,4-dicyclohexylenemethane, and

- E represents a group -O-R3-O- in which R3 is chosen from a C6-C14 arylene radical, a C3-C12 cycloalkylene radical, a linear or branched C1-C18 alkylene radical, optionally interrupted with one or more heteroatoms, and mixtures thereof.

[Claim 5] The composition as claimed in any one of the preceding claims, characterized in that the (poly)carbodiimide compound(s) is (are) chosen from the compounds of formula (I) in which:

- Xi and X2 independently represent an oxygen atom;

- Ri and R2 independently represent the compound of formula (V) below:

Ri3-[0-CH2-C(H)(Ri4)]q- (V)

in which R13 represents a C1-C4 alkyl group or a phenyl, preferably a C1-C4 alkyl group, more preferentially a methyl, R14 represents a hydrogen atom or a C1-C4 alkyl group, preferably a hydrogen atom and q denotes an integer ranging from 4 to 30;

- n and z denote an integer ranging from 1 to 20, with n+z ranging from 4 to 10 and w is equal to 1 ;

- Li is a C3-C15 cycloalkylene radical such as cyclopentylene, cycloheptylene, cyclohexylene and 4,4-dicyclohexylenemethane, preferably 4,4-dicyclohexylenemethane; and

- E represents a group- -O-R3-O- in which R3 represents a linear or branched C1-C18 alkylene radical such as methylene, propylene, butylene or ethylene, optionally interrupted with one or more heteroatoms.

[Claim 6] The composition as claimed in any one of the preceding claims, characterized in that the (poly)carbodiimide compound(s) is (are) chosen from the compounds of formula (XI) below:

(XI)

in which Li is 4,4-dicyclohexylenemethane, n and z denote an integer ranging from 1 to 20, with n+z ranging from 4 to 10, E represents a group- -O-R3-O- in which R3 represents a linear or branched C1-C18 alkylene radical such as methylene, propylene, butylene or ethylene, optionally interrupted with one or more heteroatoms, and r and s denote an integer ranging from 4 to 30.

[Claim 7] The composition as claimed in any one of the preceding claims, characterized in that the total amount of the (poly)carbodiimide compound(s) ranges from 0.01% to 40% by weight, preferably from 0.1% to 30% by weight, better still from 0.5% to 25% by weight and even better still from 1% to 10% by weight, relative to the total weight of composition (C).

[Claim 8] The composition as claimed in any one of the preceding claims, characterized in that it comprises at least one aqueous dispersion of particles of polymer(s) chosen from polyurethanes, acrylic polymers, and mixtures thereof, preferably chosen from aqueous

dispersions of acrylic polymer particles, more preferentially from aqueous dispersions of film forming acrylic polymer particles.

[Claim 9] The composition as claimed in claim 8, characterized in that the acrylic polymer(s) comprise one or more units derived from the following monomers:

a) (meth)acrylic acid; and

b) Ci to C30, more preferentially Ci to C20, better still Ci to C10, and even more particularly Ci to C4, alkyl (meth)acrylate.

[Claim 10] The composition as claimed in either one of claims 8 and 9, characterized in that the total amount of the aqueous dispersion(s) of polymer particles present in the composition ranges from 0.1% to 40% by weight, more preferentially from 0.1% to 35% by weight and better still from 0.2% to 30% by weight, relative to the total weight of composition (C).

[Claim 11] The composition as claimed in any one of the preceding claims, characterized in that it comprises at least one silicone.

[Claim 12] The composition as claimed in claim 11, characterized in that the silicone(s) are chosen from non-amino silicones, amino silicones and mixtures thereof.

[Claim 13] The composition as claimed in either one of claims 11 and 12, characterized in that said silicone(s) is (are) present in a total amount ranging from 0.01% to 20% by weight relative to the total weight of the composition, preferably from 0.05% to 15% by weight, more preferentially from 0.1% to 10% by weight and even more preferentially from 0.1% to 5% by weight relative to the total weight of composition (C).

[Claim 14] A process for cosmetically treating, in particular dyeing, keratin fibers such as the hair, in which composition (C) as defined in any one of claims 1 to 13 is applied to said fibers.

[Claim 15] The use of composition (C) as defined in any one of claims 1 to 13, for cosmetically treating, in particular dyeing, keratin fibers such as the hair.