Claims:1. A transparent cleansing composition comprising:
(a) sodium lauryl ether sulphate;
(b) cocamide monoethanolamine;
(c) at least one amphoteric surfactant; and
(d) optionally at least one surfactant,
wherein the sodium lauryl ether sulphate to the at least one amphoteric surfactant weight ratio is in the range of 1:0.3-1:15, and the composition has a viscosity in the range of 2000-9000 cps.
2. The transparent cleansing composition as claimed in claim 1, wherein sodium lauryl ether sulphate to cocamido monoethanolamine weight ratio is in the range of 1:1-12:1.
3. The transparent cleansing composition as claimed in claim 1, wherein cocamido monoethanolamine to the at least one amphoteric surfactant weight ratio is in the range of 1:2 to 1:6.
4. The transparent cleansing composition as claimed in claim 1, wherein the at least one amphoteric surfactant is selected from the group consisting of cocobetaines, cocamidopropyl betaine, lauramidopropyl betaine, N-coco-3-aminopropionic acid/ sodium salt, N-tallow-3-iminodipropionate disodium salt, N-(Carboxymethyl)-N-(cis-9-octadecenyl)-dimethylammonium hydroxide, N-cocoamidethyl-N-hydroxyethylglycine, sodium salt, and combinations thereof.
5. The transparent cleansing composition as claimed in claim 1, wherein the at least one surfactant is selected from the group consisting of anionic surfactants, non-ionic surfactants, and combinations thereof.
6. The transparent cleansing composition as claimed in claim 4, wherein the anionic surfactant is selected from the group consisting of ammonium laureth sulphate, sodium lauryl sulphate, alpha olefin sulfonate, sodium cocoyl isethionate, sodium lauroyl methyl isethionate, sodium lauroyl sarcosinate, disodium laureth sulfosuccinate, sodium cocoyl sarcosinate, sodium lauroyl sarcosinate, sodium myristoyl sarcosinate, ammonium cocoyl sarcosinate, ammonium lauroyl sarcosinate, ammonium lauroyl carboxylates, ammonium lauroyl sulphonates, petroleum sulphonates, alkylbenzenesulphonates, naphthalenesulphonates, olefin sulphonates, sulphates, alkyl sulphates, sulphated natural oils and fats, sulphated esters, sulphated alkanolamides, ethoxylated alkylphenols, sulphated alkylphenols, and combinations thereof; and the non-ionic surfactant is selected from the group consisting of decyl glucoside, lauryl glyucoside, coco glucoside, polysorbate 20, polysorbate 60, polysorbate 80, maltooligosyl glucoside, ethoxylated aliphatic alcohol, polyoxyethylene surfactants, carboxylic esters, polyethylene glycol esters, anhydrosorbitol ester & it's ethoxylated derivatives, glycol esters of fatty acids, carboxylic amides, monoalkanolamine condensates, polyoxyethylene fatty acid amides, PEG-7 glyceryl cocoate, PEG-40 hydrogenated castor oil, and combinations thereof.
7. A transparent cleansing composition as claimed in claim 1 comprising:
(a) sodium lauryl ether sulphate having weight percentage in the range of 1-25% with respect to the cleansing composition;
(b) cocamide monoethanolamine having weight percentage in the range of 1-3.5% with respect to the cleansing composition;
(c) at least one amphoteric surfactant having weight percentage in the range of 2-20% with respect to the cleansing composition; and
(d) optionally at least one surfactant having weight percentage in the range of 0.001to 20% with respect to the cleansing composition,
wherein sodium lauryl ether sulphate to the at least one amphoteric surfactant weight ratio is in the range of 1:0.3-1:15, and the composition has a viscosity in the range of 2000-9000 cps.
8. The transparent cleansing composition as claimed in any of claims 1 to 7, further comprising cosmetically acceptable excipient selected from the group consisting of at least one humectant, at least one active, at least one preservative, at least one fragrance, at least one color, and combinations thereof.
9. The transparent cleansing composition as claimed in claim 7, wherein the (a) at least one humectant has a weight percentage in the range of 0.5-30% with respect to the cleansing composition, and the humectant is selected from the group consisting of PEG-400, glycerine, propylene glycol, sorbitol, and combinations thereof; (b) the at least one preservative has a weight percentage in the range of 0.001 to 4% with respect to the cleansing composition, and the preservative is selected from the group consisting of methyl paraben, propyl paraben, phenoxyethanol, DMDM hydantoin, benzoic acid and its salts, sorbic acid and its salts, lactic acid, salicylic acid and its salts, caprylyl glycol, caprylyl salicylic acid, benzethonium chloride, benzalkonium chloride, benzalkonium bromide, benzalkonium saccharinate, sodium hydroxymethylaminoacetate, glutaraldehyde, N-(hydroxymethyl)-N-(dihydroxymethyl-1,3-dioxo-2,5-imidazolinidyl-4)-N'-(hydroxymethyl), alkyl (C12-C22) trimethyl ammonium, bromide, alkyl (C12-C22) trimethyl ammonium chloride), chlorhexidine (INN), chlorhexidine digluconate, chlorhexidine diacetate, chlorhexidine dihydrochloride, triclocarban, triclosan, urea, propionic acid and its salts, and combinations thereof.
10. A process for the preparation of a transparent cleansing composition as claimed in claim 1, said process comprising steps of:
(a) obtaining sodium lauryl ether sulphate;
(b) obtaining cocamido monoethanolamine;
(c) obtaining at least one amphoteric surfactant;
(d) optionally obtaining at least one surfactant; and
(e) contacting sodium lauryl ether sulphate, cocamido monoethanolamine, at least one amphoteric surfactant, and optionally at least one surfactant to obtain a transparent cleansing composition,
wherein the sodium lauryl ether sulphate to the at least one amphoteric surfactant weight ratio is in the range of 1:0.3-1:15, and the composition has a viscosity in the range of 2000-9000 cps.
11. A process for preparation of a transparent cleansing composition as claimed in any of the claims 1-8, said process comprising the steps of:
(a) contacting at least one non-ionic surfactant, and water to obtain a first mixture;
(b) contacting the first mixture and sodium lauryl ether sulfate to obtain a second mixture;
(c) contacting the second mixture with optionally at least one anionic surfactant to obtain a third mixture;
(d) contacting the third mixture, and at least one amphoteric surfactant to obtain a fourth mixture; and
(e) contacting the fourth mixture with optionally, at least one surfactant, at least one active, at least one preservative, at least one anti-oxidant, at least one humectant, at least one color, at least one fragrance and combinations thereof to obtain a transparent cleansing composition.
12. A process for preparation of a transparent cleansing composition, as claimed in claim 10, wherein (a) contacting at least one non-ionic surfactant, and water at a temperature in the range of 65 °C to 70 °C with a stirring speed in the range of 50-200 rpm to obtain a first mixture; (b) contacting the first mixture and sodium lauryl ether sulfate at a temperature in the range of 65 °C to 70 °C with a stirring speed in the range of 50-200 rpm for a period in the range of 10-50 minutes to obtain a second mixture; (c) contacting the second mixture, with optionally at least one anionic surfactant, at least one non-ionic surfactant at a temperature in the range of 65 °C to 70 °C with a stirring speed in the range of 30-100 rpm for a period in the range of 5-30 minutes to obtain a third mixture; (d) contacting the third mixture, and at least one amphoteric surfactant at a temperature in the range of 55 °C to 60 °C with a stirring speed in the range of 30-100 rpm for a period in the range of 10-50 minutes to obtain a fourth mixture; and (e) contacting the fourth mixture with, at least one additive selected from actives, preservatives, anti-oxidants, humectants, colors, fragrances and combinations thereof, at a temperature in the range of 35°C -60°C with a stirring speed in the range of 25-50 rpm for a period in the range of 5-30 minutes to obtain a transparent cleansing composition.

, Description:As Attached