Abstract: The present invention relates to a mild, sulphate-free, rinse-off composition, providing adequate skin and hair conditioning without the use of conventional conditioning agents such as polycationic compounds and complexes comprising a surfactant system made of at least one anionic, at least one non-ionic and at least one amphoteric surfactant, a thickener; a humectant; wherein the ratio of the wt% of the humectant and the thickener in the total composition is in the range of 1:1 to 10:1.
Description:FORM 2
THE PATENTS ACT, 1970
(39 of 1970)
&
THE PATENTS RULES, 2003
COMPLETE SPECIFICATION
[See section 10, Rule 13]
A PERSONAL CARE COMPOSITION
MARICO LIMITED, AN INDIAN COMPANY, WHOSE ADDRESS IS 7TH FLOOR, GRANDE PALLADIUM, STREET 175, CST ROAD, KALINA, SANTA CRUZ EAST, MUMBAI- 400098, MAHARASHTRA, INDIA
THE FOLLOWING SPECIFICATION PARTICULARLY DESCRIBES THE INVENTION AND THE MANNER IN WHICH IT IS TO BE PERFORMED.
FIELD OF THE INVENTION
[001] The present invention relates to a mild, sulphate-free, rinse-off composition, comprising of a mild surfactant system to obtain suitable viscosity and clarity, to be mild to skin & eye, whilst providing adequate skin and hair conditioning without the use of conventional conditioning agents such as polycationic compounds and complexes.
BACKGROUND OF THE INVENTION
[002] Conditioners help hair and skin look and feel better by improving the physical condition of these surfaces. Hair conditioners are intended primarily to make wet hair easier to detangle and comb and to make dry hair smoother, shinier, and more manageable. Skin conditioners primarily moisturize, while providing protection from the drying effects of the sun, wind, and contact with harsh detergents.
[003] Hair damage results from both mechanical and chemical treatments that alter any of the physical structures of the hair. Conditioning agents despite not enhancing repair, however temporarily increase the cosmetic value and function of the hair shaft until removal of the conditioner occurs with cleansing. Most hair damage occurs as a result of grooming habits and exposure to chemicals used for aesthetic purposes, such as shampooing, drying, combing, brushing, styling, dyeing, permanent waving, and to environmental factors, such as sunlight, air pollution, wind, seawater, and chlorinated swimming pool water. There are several mechanisms by which conditioners can improve the cosmetic value of the weathered hair shaft by increasing shine, decreasing static electricity, improving hair strength and protecting against ultraviolet radiation. Conditioning the hair can mitigate this hair damage by improving sheen, decreasing brittleness, decreasing porosity, and increasing strength. For skin to appear and feel normal, the moisture content of the upper layer must be above 10%. Moisture is lost through evaporation under low humidity conditions and must be replenished with water from the lower epidermal and dermal layers. Once skin damage has occurred and the barrier has been damaged, reconditioning can occur only if the loss of moisture is retarded.
[004] However, there are disadvantages of cationic polymeric conditioners. Conditioning effect is traditionally achieved using Polycationic complexes, a class of materials that provide hair conditioning via ‘coacervation & also facilitating deposition of other conditioning agents e.g., silicones, emollient esters or providing those benefits themselves.
[005] However, as most polyquats are copolymered with acrylamide, there are often questions raised about their safety, owing to the presence of residual acrylamide, a known carcinogen and associated with reproductive harm. Frequent use of Cleansing /Conditioning compositions containing polycationic compounds and complexes/ polyquat also cause buildup on scalp, which then needs harsh cleansers to get rid of.
[006] Also, surfactants are key to any cleansing composition to achieve desired cleansing of skin &/or hair. Anionic surfactants especially sulphates are avoided especially when mildness is desired. Sulphate-free anionic surfactants could produce slight haze & are difficult to thicken hence they need addition of thickening agents which can further impact clarity of the system. Further presence of conventional conditioning agents & fragrance worsens haze in sulphate-free cleansing systems.
[007] Consumers therefore seek sulphate-free and non-toxic personal care cleansing compositions, that are extremely mild while delivering superior sensorial effects, one of them being achieving soft and smooth hair post wash, a phenomenon known as conditioning.
The present invention is a rinse-off composition wherein the inventors surprisingly came across a conditioning system for very mild surfactant systems, totally free of Polycationic complexes that delivered a conditioning effect at par with polycationic systems, whilst maintaining the requisite clarity, viscosity and surfactant content associated with mild cleansing compositions.
OBJECT OF THE INVENTION
[008] An object of the present invention is to provide a personal care composition that delivers a synergistic conditioning effect using unconventional agents which provide comparable and even slightly better conditioning to polycationic agents without the use of polycationic complexes and compounds.
[009] Another object of the present invention is to provide a mild & clear personal care cleansing composition for cleansing action.
[010] Yet another object of the invention is to provide for a cleansing composition having the desired viscosity, clarity, transparency.
[011] Another object of the invention is to provide for a rinse-off composition also being an excellent skin and hair conditioner while also being conducive to integrity of skin barrier function and overall hair health.
SUMMARY OF THE INVENTION
[012] The present invention relates to a sulphate-free cleansing composition comprising a surfactant system made of at least one anionic, at least one non-ionic and at least one amphoteric surfactant, a thickener; a humectant; with suitable additives; and water, wherein the ratio of the wt% of the humectant and the thickener in the total composition is in the range of 1:1 to 10:1, preferably in the range of 3:1 to 10:1.
[013] The cleansing composition of the present invention comprises the surfactant system in an amount of 4wt%- 16wt% of the total cleansing composition. The cleansing composition as disclosed comprises the surfactants in an amount such that the ratio of number of anionic surfactants to the sum of the amounts of non-ionic and amphoteric surfactants is in the range of 1:4 to 1:30. The cleansing composition of the present invention, comprises the surfactants in an amount such that the ratio of the amount of anionic surfactants to the amount of non-ionic surfactant to the amount of amphoteric surfactant is in the range of 1:2:2 to 1:15:15.
[014] The cleansing composition has a pH near about that of natural skin and is free of polycationic compounds.
DETAILED DESCRIPTION OF THE INVENTION
[015] For convenience, before further description of the present disclosure, certain terms employed in the specification, and examples are delineated here. These definitions should be read in the light of the remainder of the disclosure and understood as by a person of skill in the art. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
[016] As used herein, the articles including “a” and “an” when used in a claim, are understood to mean one or more of what is claimed or described.
[017] As used herein, the word “comprise”, and variations such as “comprises” and “comprising”, will be understood to imply the inclusion of a stated element or step or group of element or steps but not the exclusion of any other element or step or group of element or steps.
[018] As used herein, the terms “include,” “includes,” and “including,” are meant to be non limiting and are understood to mean “comprise,” “comprises,” and “comprising,” respectively.
[019] As used herein, the term “mildness” refers to the absence of adverse effect such as irritation, itching, allergic reactions, or sensitization of the skin of the composition on skin when used over a period of time.
[020] Although any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the disclosure, the preferred methods, and materials are now described.
[021] As used herein, “cleansing composition” includes personal cleansing products such as shampoos, conditioners, conditioning shampoos, shower gels, liquid hand cleansers, facial cleansers, and other surfactant-based liquid compositions. The present disclosure is not to be limited in scope by the specific embodiments described herein, which are intended for the purposes of exemplification only. Functionally equivalent products, compositions, and methods are clearly within the scope of the disclosure, as described herein.
[022] The aim of present invention is to have sulphate-freesulphate-free, polycationic complexes free, mild yet clear cleansing composition arrived at by the right mix of sulphate-free cleansing surfactants, thickeners & humectants. Also, to avoid polycationic conditioning agents without impacting the desired conditioning hair feel. As described below with reference to examples, the present inventors discovered a composition that meets all the criteria yet leading to the desired cleansing system.
[023] It is therefore desirable to obtain a stable rinse-off cleansing composition made of sulphate-free surfactants which is non-irritant and at the same time remains transparent over various temperature and humidity ranges, such that they are stable in market places and have long shelf life while also providing equivalent foam, viscosity being comparable to sulphate based formulations for all practical purposes.
[024] In an aspect of the present invention, the cleansing composition as disclosed comprises a surfactant system: The surfactant system includes at least one anionic, one nonionic & one amphoteric surfactant, which in combination provides suitable cleansing. The surfactant system may be present in amount of about 4% to 16% by weight of final cleansing composition.
[025] In an aspect of the present invention the anionic surfactant is selected from acyl taurates, acyl isethionates, acyl glutamates, sarcosinates, sulfosuccinates, alkyl taurate, alkyl isethionate or a combination thereof. Preferably, the anionic surfactant is Sodium Methyl Cocoyl Taurate, Sodium Cocoyl Isethionate, or a combination thereof.
[026] In an aspect of the present invention, the surfactant system also includes at least one amphoteric surfactant. Suitable amphoteric surfactant includes betaines such as coco amidopropyl betaine. Preferably, the amphoteric surfactant is selected from betaines, alkyl betaines, alkyl sultaines, alkyl amphoacetates, alkyl amphoproprionates, or a combination thereof.
[027] In an aspect of the present invention the non-ionic surfactant is selected from alkyl polyglucoside, fatty alcohol ethoxylate, alkyl phenol ethoxylate and fatty acid alkoxylate, cocoates, or a combination thereof. Preferably, the non-ionic surfactant is decyl glucoside, PEG-80 sorbitan laurate or a combination thereof.
[028] In an aspect of the present invention, the cleansing composition as disclosed comprises a thickener. A thickener is required when a certain viscosity is desired when the product is dispensed from the container & used onto skin &/or hair. The desired viscosity of the product is about 1000 to 10000 cps, ideally between 2500 to 6000 cps at 25 °C. To achieve this thickness, various thickeners were attempted keeping the need of product clarity in mind. Preferably, the thickener is selected from natural gums, acrylates, pyrolidines, carbomers, silicones, polyethylene glycol esters of fatty acids, or a combination thereof. The thickeners which may be utilized in the present invention are PEGs, preferably PEG -150 distearate.
[029] In an aspect of the present invention, the cleansing composition as disclosed comprises a humectant. The appropriate humectants may be selected from a group comprising polyols N-methylformamides such as urea, hyaluronic acid, alpha hydroxy acids, PHAs, LHAs, polyalkylene glycols, honey, or a combination thereof. Preferably the humectant is glycerine.
[030] In an aspect of the present invention, PEGs not only provide a thickening impact to the formula but it was also surprisingly observed that when this thickener was used in a specific ratio to glycerin; it created a synergistic conditioning effect as measured by combing force on a Diastron apparatus. The conditioning effect created was at par to conditioning effect created by polycationics in this same cleaning system.
[031] It is an aspect of the invention that the claimed cleansing composition has a synergistic conditioning effect due to an optimized ratio of Glycerine and PEG 150 Distearate- Ratio Ranging from 1:1 to 10:1 preferably in the range of 3:1 to 10:1, providing conditioning effect when compared to traditional cationic surfactant systems like polyquaternium 10.
[032] In an aspect of the present invention, the cleansing composition as disclosed may comprise suitable additives such as suitable aqueous carriers, chelating agents, preservatives to provide shelf life & longevity of the product, fragrance, colorant & any other aesthetic enhancing component or any combination thereof. The cleansing composition may also be opacified by the addition of opacifying / pearlising agents like glycol distearate, ethylene glycol distearate, glycol monostearate, stryrene / acrylate copolymer, stearic acid and its salts and alkanolamides etc or combinations thereof. The cleansing composition may further include water.
[033] The present invention relates to a cleansing composition that shows synergistic effect wherein the conditioning effect of the cleansing composition is significantly improved as compared to the conventional conditioners and at the same time is successful in avoiding the use of sulphates and polycationic complexes which are conventionally used to bring in the conditioning effect. The cleansing composition of the present invention is mild yet clear and transparent, providing an excellent rinse-off and also mitigates hair damage by providing for a healthy skin and hair.
[034] The present invention has been experimentally established to be a significantly superior cleansing composition compared to compositions with alternative combinations of components
Table 1 reflects different examples of cleansing compositions and their compositions. Examples 4 is the cleansing composition as per the present invention.
Table 1:
Class of compound Raw material EX 1 without thickener & without humectant EX 2
with thickener and without humectant EX 3
with humectant and without thickener EX 4
with thickener & humectant (Inventive Example 1) Ex 5
(Inventive Example 2)
Example 6
(Inventive Example 3) EX 7
With
polyquat
Vehicle Water QS QS QS QS Q.S Q.S. QS
Non ionic surfactant PEG 80 Sorbitan Laurate 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Non ionic surfactant Decyl Glucoside 2.5 2.5 2.5 2.5 2.5 2.5 2.5
Amphoteric surfactant Cocamidopropyl Betaine 5.4 5.4
5.4 5.4 5.4 5.4 3.6
Anionic surfactant Sodium Methyl Cocoyl Taurate 0.45 0.45 0.45 0.45 0.45 0.45 0.6
Conditioning Quat PQ-10 0 0 0 0 0 0 0.2
Conditioning agent Glycerine 0 0 7 7 2.5 10 1
Preservative Sodium benzoate 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Thickener PEG 150 Di stearate 0 1 0 1 0.75 1.2 0.5
Additionally,
Buffer Citric Acid q.s. to achieve desired pH
Perfume Perfume QS
Chelator Disodium EDTA QS
[035] All the examples 1-5 were tested for the reduction in combing force in a Dia Stron apparatus.
Dia Stron experimental results are provided in Tables 2-5 wherein each of the examples 1-5 have been tested and values noted.
Swatch set 1 (Example 1) is of a cleansing composition without a thickener and also without a humectant.
Swatch set 2 (Example 2) is of a cleansing composition including a thickener but without a humectant.
Swatch set 3 (Example 3) is of a cleansing composition without a thickener but including a humectant.
Swatch sets 4, 5 and 6 (Example 4, 5, and 6 respectively) are of inventive cleansing compositions including both a thickener as well as a humectant.
Swatch set 7 (Example 7) is of a marketed cleansing composition containing Polyquaternium
Table 2
S. No SWATCH SET 1
Combing Force Values (gmf)
Untreated Treated
1 36.5 37.3
2 38.1 37.6
3 40.5 39
4 44.5 35.8
5 34.2 35.4
6 32 31.1
Mean 37.6 36.0
Combing Force Reduction 1.6
Table 3
S. No SWATCH SET 2
Combing Force Values (gmf)
Untreated Treated
1 46 36.3
2 36.3 31.6
3 43.2 33.3
4 36.7 32.3
5 35.9 39.9
6 34.4 37.2
Mean 38.75 35.1
Combing Force Reduction 3.65
Table 4
S. No SWATCH SET 3
Combing Force Values (gmf)
Untreated Treated
1 47.1 37.5
2 42.9 34.7
3 34.2 29.8
4 32 29.7
5 38.6 27.8
6 32.5 31.1
Mean 37.9 31.8
Combing Force Reduction 6.1
Table 5
S. No SWATCH SET 4
Combing Force (gmf)
Untreated Treated
1 30.3 21.5
2 38.4 24.7
3 31.3 18.6
4 36.8 20.4
5 37.9 25
6 40 25.2
Mean 35.8 22.6
Combing Force Reduction 13.2
Table 6
S. No SWATCH SET 5
Combing Force (gmf)
Untreated Treated
1 30.2 21.5
2 38.5 26.6
3 31.3 26.7
4 35.5 22.2
5 37.1 27.1
6 39.7 28.9
Mean 35.4 25.5
Combing Force Reduction 9.9
Table 7
S. No SWATCH SET 6
Combing Force (gmf)
Untreated Treated
1 31.2 22.2
2 37.9 25.2
3 31.0 18.8
4 37.2 22.6
5 37.2 26.1
6 39.7 25.9
Mean 35.7 23.5
Combing Force Reduction 12.2
Table 8
S. No SWATCH SET 7
Combing Force (gmf)
Untreated Treated
1 34.5 22.2
2 33.8 22.2
3 34.2 22.5
4 30.4 30
5 30.9 26.2
6 33 29.9
Mean 32.8 25.5
Combing Force Reduction 7.3
[036] By the analysis of the results obtained by the measurement conducted by a Dia Stron apparatus it can be observed that the inventive example 4 has the maximum reduction in the mean combing force, followed by the inventive examples 6 and 5. The maximum combing force reduction achieved is 13.2 (Table 5) where the cleansing composition tested is as per the present invention.
[037] The cleansing composition has been experimentally established to be mild.
HRIPT as per BIS safety standard protocols and Cumulative Irritation Potential test were conducted and the results were analysed.
HRIPT (Human Repeat Insult Patch Test):
105 subjects were enrolled, and 100 subjects completed the study. This method is based on the BIS 4011:2018 (Methods of test for safety evaluation of cosmetics) guidelines of patch testing for contact allergens by 24 hours’ occlusive patch test. The study consists of four phases:
(1) Induction phase
(2) Rest phase
(3) Challenge phase
(4) Observation Phase
The study consisted of repeated application of a test product on the back of the human subjects, under occlusive patch for duration of 24 hrs. Each test material was applied three (3) times a week for a total of nine (9) applications. All assessments were performed 48 hours post patch application. Following a two (2) weeks rest period. After the rest period, a 24-hour challenge application of each material was made. The evaluation was done at 48, 72 and 96 hours post patch application.
Table 9: The Table reflects the Score corresponding to the severity of the reaction from application of cleansing compositions in the test.
Score for erythema/dryness/wrinkles Reaction Score for Oedema Reaction
0 No Reaction 0 No reaction
1 Very slight erythema/dryness with shiny appearance 1 Very Slight oedema
2 Slight erythema/dryness/wrinkles 2 Slight Oedema
3 Moderate erythema/dryness/wrinkles 3 Moderare Oedema
4 Severe erythema/dryness/wrinkles 4 Severe Oedema
[038] Cumulative Irritation Potential:
The irritation score obtained in the Induction phase was used to identify the cumulative irritation potential and categorize the subjects in five classes of irritants:
Cumulative Irritation Score = Total Irritation Score (add all scores on all days for all subjects)
The score was used to calculate irritation index based on the following:
Irritation Index =
Total Irritation Score (add all scores on all days for all subjects)/
Highest possible score x Number of subjects x Number of study days
Table 10:
Class Mean Cumulative Irritation Score Indication From Test
1 0 to 205 Mild Material- No experimental Irritation
2 205 to 675 Probably Mild in Normal Use
3 675 to 1890 Possibly mild in Normal use
4 1890 to 2430 Experimental Cumulative Irritant
5 >2430 Experimental Primary Irritant
Table 10 reflects the indication corresponding to the mean cumulative irritation score that is obtained from the test. If the mean cumulative irritation score is between 0 and 205, then the composition sample is said to be safe.
[039] Classification Based on Cumulative Irritation Index
The final Cumulative Irritation Index in Table 11 as calculated gives an indication regarding the safety effectiveness and side effects of the sample composition.
Table 11:
Class Mean Cumulative Irritant Index Indication From Test
1 0 to 0.075 Mild Material- No experimental Irritation
2 0.075 to 0.25 Probably Mild in Normal Use
3 0.25 to 0.70 Possibly mild in Normal use
4 0.70 to 0.90 Experimental Cumulative Irritant
5 0.90 to 1.0 Experimental Primary Irritant
[040] Dermatological assessment scores for skin Erythema & Oedema and cumulative
irritation scores for Disclosed Invention
Table 12:
Induction Phase Score
Score obtained for n= 102 sample applications for severity of reaction 0 1 2 3
Assessment 1 102 0 0 0
Assessment 2 102 0 0 0
Assessment 3 102 0 0 0
Assessment 4 102 0 0 0
Assessment 5 97 5 0 0
Assessment 6 92 10 0 0
Assessment 7 86 14 2 0
Assessment 8 81 15 6 0
Assessment 9 81 12 8 1
Sum of Number of Reactions 845 56 16 1
Irritation Score (Sum of Number of Reactions x Respective Score of Severity) 0 56 32 3
Cumulative Irritation Score (n=102) 91
Adjusted Cumulative Irritation Score (adjusted to n=100) 89.22
Irritation Index 0.0324
[041] Table 12 reflects the score distribution of all the samples across all days for all the subjects. The irritation index achieved by the cleansing composition of the present invention is 0.0324.This indicates that the claimed cleansing composition has been experimentally established to have no significant irritation as side effects. It has been noted that the presently disclosed cleansing composition is Newborn baby safe as per “in-use tests” done on less than 28-day old babies for a period of 2 weeks of use.
[042] Method of preparation:
The method of preparation of the cleansing composition of the present invention comprises the steps of mixing amphoteric Surfactant/s and anionic surfactant with water at room temperature; adding at least one thickener/ Conditioning Agent at 75-80? to the mix of step1, then adding at least one suitable humectant such as glycerine, polyols etc at 55? to the mix of step 2; and Adding at least one suitable preservative and fragrance below the temperature of 40?.
[043] The present invention is directed towards a cleansing composition achieves fast lathering, superior rinse-off, and has the desired cleansing effect by the removal of dirt and grime al the while preventing the removal of natural oils. The present invention is directed towards a cleansing composition which achieves a superior conditioning affect resulting in soft and smooth hair and enables adequate water retention in the both the skin and hair.
[044] The cleansing composition of the present invention is non-toxic and the amount of surfactants in the surfactant system is not only minimized but also made sulphate-free. The present invention further avoids polycationic complexes/ polyquat, thereby preventing the accumulation of acrylamide.
[045] The cleansing composition of the present invention is also very mild on all types of hair and skin and enables healthy growth, avoids breakage of hair and prevents damage to hair and skin. The cleansing composition may also come is various forms including viscous liquid composition, free flowing compositions, gels, sprays, thinner lotions and creams. It may be any possible type of conditioners including leave-in conditioner, deep conditioner, thickening conditioner, cream rinse conditioner, masque conditioner. The cleansing composition has good clarity score & is transparent to human eye.
, Claims:
1. A cleansing composition comprising:
a surfactant system made of at least one anionic, at least one non-ionic and at least one amphoteric surfactant,
a thickener;
a humectant;
with suitable additives;
and water,
wherein the ratio of the wt% of the humectant and the thickener in the total composition is in the range of 3:1 to 10:1.
2. The cleansing composition as claimed in claim 1, wherein the surfactant system is present in an amount of 4wt%- 16wt% of the total cleansing composition.
3. The cleansing composition as claimed in claim 1, wherein the ratio of the amount of anionic surfactants to the sum of the amounts of non-ionic and amphoteric surfactants is in the range of 1:4 to 1:30.
4. The cleansing composition as claimed in claim 1, wherein the ratio of the amount of anionic surfactants to the amount of non-ionic surfactant to the amount of amphoteric surfactant is in the range of 1:2:2 to 1:15:15.
5. The cleansing composition as claimed in claim 1, wherein the composition is a sulphate-free composition.
6. The cleansing composition as claimed in claim 1, wherein the composition has a pH near about that of natural skin.
7. The cleansing composition as claimed in claim 1, wherein the composition is free of polycationic compounds.
8. The cleansing composition as claimed in claim 1, wherein the amount of at least one anionic surfactant and the sum of the amount of at least one non-ionic and amphoteric surfactant is in the range of 1:4 to 1:30 in the surfactant system.
9. The cleansing composition as claimed in claim 1, wherein the thickener is selected from a group comprising of natural gums, arylates, pyrolidines, carbomers, silicones, polyethylene glycol esters of fatty acids or a combination thereof.
10. The cleansing composition as claimed in claim 9, wherein the thickener is PEG-150 Distearate.
11. The cleansing composition as claimed in claim 1, wherein the humectant is selected from a group comprising polyols, N-methylformamide, urea, hyaluronic acid, PHA’s, LHA’s, polyalkylene glycol, honey or combination thereof.
12. The cleansing composition as claimed in claim 11, wherein the humectant is glycerine.
13. The cleansing composition as claimed in claim 1, wherein the additives are selected from a group comprising chelating agents, opacifying agents, colorants, and fragrance or a combination thereof.
14. The cleansing composition as claimed in claim 1, wherein the anionic surfactant is selected from acyl taurates, acyl isethionates, acyl glutamates, sarcosinates, sulfosuccinates, alkyl taurate, alkyl isethionate or a combination thereof.
15. The cleansing composition as claimed in claim 14, wherein the anionic surfactant in the surfactant system is preferably sodium Methyl Cocoyl Taurate, Sodium Cocoyl Isethionate, or a combination thereof.
16. The cleansing composition as claimed in claim 1, wherein the amphoteric surfactant is selected from betaines, alkyl betaines, alkyl sultaines, alkyl amphoacetates, alkyl amphoproprionates, or a combination thereof.
17. The cleansing composition as claimed in claim 16, wherein the amphoteric surfactant is preferably coco amidopropyl betaine.
18. The cleansing composition as claimed in claim 1, wherein the non-ionic surfactant is selected from alkyl polyglucoside, fatty alcohol ethoxylate, alkyl phenol ethoxylate and fatty acid alkoxylate, cocoates, or a combination thereof.
19. The cleansing composition as claimed in claim 18, wherein the non-ionic surfactant is preferably decyl glucoside, PEG-80 sorbitan laurate or a combination thereof.
20. The cleansing composition as claimed in claim 13, wherein the additives comprise of opacifying agents selected from a group comprising of glycol distearate, ethylene glycol distearate, glycol monostearate, styrene copolymer, acrylate copolymer, stearic acid and its salts and alkanolamides or a combination thereof.
| # | Name | Date |
|---|---|---|
| 1 | 202421035174-STATEMENT OF UNDERTAKING (FORM 3) [03-05-2024(online)].pdf | 2024-05-03 |
| 2 | 202421035174-FORM 1 [03-05-2024(online)].pdf | 2024-05-03 |
| 3 | 202421035174-DECLARATION OF INVENTORSHIP (FORM 5) [03-05-2024(online)].pdf | 2024-05-03 |
| 4 | 202421035174-COMPLETE SPECIFICATION [03-05-2024(online)].pdf | 2024-05-03 |
| 5 | 202421035174-Proof of Right [30-05-2024(online)].pdf | 2024-05-30 |
| 6 | 202421035174-FORM-26 [02-08-2024(online)].pdf | 2024-08-02 |
| 7 | 202421035174-FORM-9 [05-09-2024(online)].pdf | 2024-09-05 |
| 8 | 202421035174-FORM 18 [24-09-2024(online)].pdf | 2024-09-24 |
| 9 | 202421035174-Response to office action [23-07-2025(online)].pdf | 2025-07-23 |