FR3148526A1 - A CLEANSING COMPOSITION FOR KERATINOUS SURFACE AND ITS METHODS - Google Patents

Abstract

A CLEANSING COMPOSITION FOR KERATINOUS SURFACE AND METHODS THEREOF The present disclosure provides a cleaning composition comprising: a) at least one anionic surfactant selected from an amino acid surfactant, a sulfonate surfactant or combinations thereof; b) at least one amphoteric surfactant; c) at least one nonionic surfactant; and d) at least one nonionic thickener. Figure for abstract: none

Description

“A CLEANSING COMPOSITION FOR KERATINOUS SURFACE AND ITS METHODS” FIELD OF THE INVENTION

The present disclosure relates to the field of cosmetic compositions, in particular, relates to transparent serum type cleansing compositions. The present disclosure also relates to a process for preparing the composition and a method for treating the keratinous surface.

CONTEXT OF THE INVENTION

An optimized cleansing regimen is the first key step to achieving acne-free skin. Acne-prone skin is very sensitive to soaps, harsh surfactants, and high pH, which are common in basic cleansing products on the market. Therefore, using these products aggravates existing acne and is an inappropriate strategy for cleansing acne-prone skin.

Several cleansing products have flooded the consumer market, claiming to be mild and capable of moisturizing the skin. In addition, these cleansing products include some anti-acne agents. However, the cocktail of mild cleansing agents and anti-acne agents results in several defects in product stability and ultimately fails to meet consumer expectations. Furthermore, these cleansing products suffer from stability issues due to increased temperatures, which affects storage stability and shelf life. It is also necessary for these cleansing products to remain consistent throughout their shelf life.

Therefore, there is a need to develop a cleansing composition with an optimized combination of mild cleansing agents and effective anti-acne agents, with a desired product texture and stability.

In one aspect of the present disclosure, there is provided a cleaning composition comprising: a) at least one anionic surfactant selected from an amino acid surfactant, a sulfonate surfactant, or combinations thereof, in a total amount ranging from 0.01 wt% to 40 wt% based on the total weight of the composition; b) at least one amphoteric surfactant in a total amount ranging from 2 wt% to 10 wt% based on the total weight of the composition; c) at least one nonionic surfactant in a total amount ranging from 0.05 wt% to 10 wt% based on the total weight of the composition; and at least one nonionic thickener.

In another aspect of the present disclosure, there is provided a personal care product, comprising the cleansing composition comprising: a) at least one anionic surfactant selected from an amino acid surfactant, a sulfonate surfactant, or combinations thereof, in a total amount ranging from 0.01 wt% to 40 wt% based on the total weight of the composition; b) at least one amphoteric surfactant in a total amount ranging from 2 wt% to 10 wt% based on the total weight of the composition; c) at least one nonionic surfactant in a total amount ranging from 0.05 wt% to 10 wt% based on the total weight of the composition; and at least one nonionic thickener.

In yet another aspect of the present disclosure, there is provided a method of treating the keratinous surface, the method comprising applying the composition comprising: a) at least one anionic surfactant selected from an amino acid surfactant, a sulfonate surfactant, or combinations thereof, in a total amount ranging from 0.01% by weight to 40% by weight relative to the total weight of the composition; b) at least one amphoteric surfactant in a total amount ranging from 2% by weight to 10% by weight relative to the total weight of the composition; c) at least one nonionic surfactant in a total amount ranging from 0.05% by weight to 10% by weight relative to the total weight of the composition; and at least one nonionic thickener, to the keratinous surface to obtain foam, and rinsing the composition.

These and other features, aspects and advantages of the subject matter herein will be better understood by reference to the following description and the appended claims. This summary is provided to present a selection of concepts in a simplified form. This summary is not intended to identify key features or essential characteristics of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

DETAILED DESCRIPTION OF THE INVENTION

Those skilled in the art will be aware that this disclosure is subject to variations and modifications other than those specifically described. It is to be understood that this disclosure includes all such variations and modifications. The disclosure also includes all such steps, features, compositions and compounds referred to or indicated in this specification, individually or collectively, and any combination of one or more of such steps or features.

Definitions

For convenience, before describing this disclosure in more detail, certain terms used in the specification and examples are defined herein. These definitions should be read in light of the remainder of the disclosure and understood as by a person skilled in the art. The terms used herein have the meanings recognized and known to those skilled in the art, however, for convenience and completeness, particular terms and their meanings are set forth below.

The articles "un", "une", "la", "le" and "les" are used to designate one or more (i.e. at least one) of the grammatical object of the article.

The terms “include” and “comprising” are used in an inclusive and open sense, meaning that additional elements may be included. It is not intended to be interpreted as “consisting solely of”.

The term “at least one” is used to mean one or more and therefore includes individual components as well as mixtures/combinations.

Throughout this specification, unless the context otherwise requires, the term “include”, and variations such as “comprises” and “comprising”, shall be construed as implying the inclusion of any element or step or group of elements or steps set forth, but not the exclusion of any other element or step or group of elements or steps.

The term "including" is used to mean "including but not limited to." "including" and "including but not limited to" are used interchangeably.

The term “about” is used to mean an acceptable range of error for the particular value as determined by one skilled in the art, which may depend in part on how the value is measured or determined, i.e., the limitations of the measurement system. For example, “about” may mean within 1 or more standard deviations, depending on the practice of the art. Where particular values are described in this disclosure, unless otherwise indicated, the term “about” meaning within an acceptable range of error for the particular value should be assumed.

The term “INCI” is an abbreviation for the International Nomenclature of Cosmetic Ingredients, which is a system of names provided by the Personal Care Products Council’s International Nomenclature Committee to identify cosmetic or personal care ingredients.

All percentages, parts and ratios are based on the total weight of the compositions of this disclosure unless otherwise indicated. Ratios, concentrations, amounts and other numerical data may be presented herein in range format. It is to be understood that this range format is used for convenience and brevity only and is to be flexibly interpreted to include not only the numerical values explicitly cited as the limits of the range, but also to include all individual numerical values or subranges encompassed within that range as if each numerical value and subrange were explicitly cited. For example, a percentage range of about 0.05% to 10% should be interpreted as including not only the explicitly cited limits of about 0.05% to about 10%, but also as including subranges, such as 0.05% to 5%, 6% to 10%, and so on, as well as individual quantities, including fractional quantities, within the specified ranges, such as 2.84% and 3%, for example.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by a person skilled in the art to which this disclosure pertains. Although any methods and materials similar or equivalent to those described herein may be used in the practice or testing of the disclosure, the preferred methods and materials are now described.

This disclosure is not to be limited in scope by the specific embodiments described herein, which are intended for exemplary purposes only. Functionally equivalent products, compositions, and methods are clearly within the scope of the disclosure as described herein.

The present disclosure relates to a composition, preferably a cleansing composition. Disclosed embodiments of the present disclosure include a cleansing composition, a personal care product comprising the composition, and a method of treating a keratinous surface, such as the skin. The various embodiments herein disclose a cleansing composition, particularly a clear serum-type cleansing composition comprising a combination of surfactants with a nonionic thickener. Embodiments of the present disclosure provide a cleansing composition that is mild at low pH, suitable for all skin types, foamable, stable, and transparent over a wider period of time and temperatures. In general, the majority of cleansing compositions available on the market are harsh, suffer from stability issues at higher temperatures, and are not sufficiently transparent. Furthermore, consumer expectations are increasing, so that cleansing compositions not only cleanse but also provide additional benefits such as anti-acne, skin nourishment, skin lightening effect, skin repair, refreshing effect etc. Therefore, the need of the hour is to provide a multifunctional cosmetic cleansing composition that imparts enhanced sensory and aesthetic properties on single and repeated use. Accordingly, the present disclosure provides a cleansing composition, which is mild, transparent, foamable imparting an anti-acne property as well as a skin repairing and nourishing effect.

Composition

The composition, according to one embodiment herein, is a cleansing composition for a keratinous surface, in particular the skin. In addition, the composition is gentle on skin lipids and proteins, provides acne control and further provides enhanced benefits for the skin, such as sebum control, balanced hydration, even skin tone, reduction of acne marks, skin radiance and glow. In addition, the texture of the composition according to embodiments herein is serum-like, providing easy spreading, with optimal foam, suitable for use with minimal water. The composition according to embodiments herein is light, transparent, stable even at higher temperatures for a longer period. The composition therefore comprises: a) at least one anionic surfactant selected from an amino acid surfactant, a sulfonate surfactant, or combinations thereof, in a total amount ranging from 0.01% by weight to 40% by weight relative to the total weight of the composition; b) at least one amphoteric surfactant in a total amount ranging from 2% by weight to 10% by weight relative to the total weight of the composition; c) at least one nonionic surfactant in a total amount ranging from 0.05% by weight to 10% by weight relative to the total weight of the composition; and d) at least one nonionic thickener. The composition further comprises at least one active agent selected from a refreshing agent, an antioxidant, a skin care agent, an exfoliating active or combinations thereof. The composition further includes the use of an additive selected from a fragrance, a humectant, a chelating agent, a neutralizer or combinations thereof. The composition of the present disclosure is transparent for at least 8 weeks at a temperature ranging from 25°C to 50°C. The composition has a pH in a range of 5 to 5.5 and a viscosity in a range of 400 to 3000 cps, preferably 500 to 2500 cps.

Anionic surfactant

The composition, according to embodiments herein, includes at least one anionic surfactant selected from an amino acid surfactant, a sulfonate surfactant or combinations thereof. The expression "anionic surfactant" designates a surfactant comprising, as ionic or ionizable groups, only anionic groups. The surfactants are said to be "anionic" when they carry at least one permanent negative charge or when they can be ionized into a negatively charged species, under the conditions of use of the composition of the invention (for example the medium or the pH) and do not comprise any cationic charge.

Said anionic surfactants are preferentially chosen from sulfonate surfactants and amino acid surfactants. A combination of these surfactants can be used.

When the anionic surfactant is in the form of a salt, said salt may be chosen from alkali metal salts, such as the sodium or potassium salt, ammonium salts, amine salts and in particular amino alcohol salts, and alkaline earth metal salts, such as the magnesium salt. Examples of amino alcohol salts that may be mentioned include monoethanolamine, diethanolamine and triethanolamine salts, monoisopropanolamine, diisopropanolamine or triisopropanolamine salts, 2-amino-2-methyl-1-propanol salts, 2-amino-2-methyl-1,3-propanediol salts and tris(hydroxymethyl)aminomethane salts. Alkali metal or alkaline earth metal salts and in particular sodium or magnesium salts are preferentially used.

In one embodiment, the anionic surfactant is present in a total amount ranging from 0.01% by weight to 40% by weight, preferably from 0.1% by weight to 20% by weight, and more preferably from 0.3% by weight to 10% by weight, relative to the total weight of the composition.

The anionic sulfonate surfactants that can be used comprise at least one sulfonate function (-SO ₃ H or -SO ₃ ^– ).

They may be chosen from alkylsulfonates, alkylarylsulfonates, alkyl sulfosuccinates, alkylsulfoacetates, alkyl ether sulfosuccinates, paraffin sulfonates, acyl isethionates, olefin sulfonates or combinations thereof; as well as the salts of these compounds. The alkyl groups of said compounds comprise from 6 to 30 carbon atoms, in particular from 12 to 28, preferably from 14 to 24 or even from 16 to 22 carbon atoms; the aryl group preferably denotes a phenyl or benzyl group; these compounds being optionally polyoxyalkylenated, in particular polyoxyethylenated, then preferably comprising from 1 to 50 ethylene oxide units and better still from 2 to 10 ethylene oxide units.

In one embodiment, the sulfonate surfactant is chosen from _C6 - _C24 and in particular _C12 - _C20 alkyl ether sulfosuccinates, in particular lauryl sulfosuccinates, which are oxyethylenated, preferably disodium laureth sulfosuccinate, which is commercially available under the name TEXAPON SB 3 UNKONS from the company BASF.

In another embodiment, the sulfonate surfactant is selected from C ₆ -C ₂₄ and in particular C ₁₂ -C ₂₀ alkylsulfoacetates, in particular laurylsulfoacetates, more preferably sodium lauryl sulfoacetate. In one embodiment, the sulfonate surfactant is selected from alkyl ethersulfosuccinates, alkylsulfoacetates or combinations thereof. In one embodiment, the sulfonate surfactant is present in an amount ranging from 0.1% by weight to 15% by weight, preferably from 0.5 to 7.5% by weight relative to the total weight of the composition.

The anionic surfactant is chosen from an amino acid surfactant of formula (I):

in which

Z represents a linear or branched alkyl or alkenyl group having 8 to 22 carbon atoms,

X is a hydrogen or methyl group,

n is 0 or 1;

Y is selected from hydrogen, -CH ₃ , -CH(CH ₃ ) ₂ , -CH ₂ CH(CH ₃ ) ₂ , -CH(CH ₃ )CH ₂ CH ₃ , -CH ₂ C ₆ H ₅ , -CH ₂ C ₂ H ₄ OH, -CH ₂ OH, -CH(OH)CH ₃ , -(CH ₂ ) ₄ NH ₂ , -(CH ₂ ) ₃ NHC(NH)NH ₂ , -CH ₂ C(O)O ^- M ^{+ ,} -(CH ₂ ) ₂ C(O)OH, and -(CH ₂ ) ₂ C(O)O ^- M ⁺ , and M is a salt-forming cation in which COO ^- is a counter anion.

Examples of the amino acid surfactants include, but are not limited to, salts of alanine, arginine, aspartic acid, glutamic acid, glycine, isoleucine, leucine, lysine, phenylalanine, serine, tyrosine, valine, sarcosine and any mixture thereof. Preferably, the amino acid surfactants include glutamates, sarcosinates or combinations thereof.

More specifically, the amino acid surfactant is selected from dipotassium capryloyl glutamate, dipotassium undecylenoyl glutamate, disodium capryloyl glutamate, disodium cocoyl glutamate, disodium lauroyl glutamate, disodium stearoyl glutamate, disodium undecylenoyl glutamate, potassium capryloyl glutamate, potassium cocoyl glutamate, potassium lauroyl glutamate, potassium myristoyl glutamate, potassium stearoyl glutamate, potassium undecylenoyl glutamate, sodium capryloyl glutamate, sodium cocoyl glutamate, sodium lauroyl glutamate, sodium myristoyl glutamate, sodium olivoyl glutamate, sodium palmitoyl glutamate, sodium stearoyl glutamate, sodium undecylenoyl glutamate, potassium lauroyl sarcosinate, potassium cocoyl sarcosinate potassium, sodium cocoyl sarcosinate, sodium lauroyl sarcosinate, sodium myristoyl sarcosinate, sodium oleoyl sarcosinate, sodium palmitoyl sarcosinate, ammonium lauroyl sarcosinate, or combinations thereof.

Reference may be made to commercially available amino acid surfactants, for example, acylsarcosinates, for example sodium lauroyl sarcosinate sold under the name Sarkosyl NL 97 ^® by the company Ciba or sold under the name Oramix L 30 ^® by the company SEPPIC, sodium myristoyl sarcosinate sold under the name Nikkol Sarcosinate MN ^® by the company Nikkol or sodium palmitoyl sarcosinate sold under the name Nikkol Sarcosinate PN ^® by the company Nikkol; N-acylglutamates, for example triethanolamine monococoylglutamate sold under the name Acylglutamate CT-12 ^® by the company Ajinomoto and triethanolamine lauroylglutamate sold under the name Acylglutamate LT-12 ^® by the company Ajinomoto; and any mixture thereof.

In a preferred embodiment, the amino acid surfactant is selected from disodium cocoyl glutamate, disodium lauroyl glutamate, sodium cocoyl glutamate, sodium lauroyl glutamate, sodium cocoyl sarcosinate, sodium lauroyl sarcosinate, or combinations thereof.

In one embodiment, the amino acid surfactant is in a total amount ranging from 0.01% by weight to 23% by weight, preferably from 0.1 to 10% by weight relative to the total weight of the composition.

In one embodiment, the anionic surfactant optionally further comprises alkyl phosphates, alkyl ether phosphates, alkyl succinates, acyl taurates, or combinations thereof. Each of these compounds may be present independently in an amount ranging from 0.01 wt% to 15 wt%, preferably from 3 wt% to 15 wt%, and more preferably from 5 wt% to 13 wt% relative to the total weight of the composition.

Amphoteric Surfactant

The composition, according to embodiments herein, comprises at least one amphoteric surfactant.

The term “amphoteric surfactant” as used herein refers to a surfactant having both anionic and cationic groups as ionizable groups. In one embodiment of the present disclosure, an entity is referred to as “amphoteric” when it has the ability to transition between anionic properties, the isoelectric neutral state, and cationic properties, under the conditions of use of the composition of the present disclosure (e.g., medium, pH).

The amphoteric surfactant(s) used in the composition according to one embodiment herein may optionally be quaternized amine derivatives containing at least one anionic group, for example a carboxylate, sulfonate, sulfate, phosphate or phosphonate group, and wherein the aliphatic group or at least one of the aliphatic groups is a straight or branched chain comprising from 8 to 22 carbon atoms. According to one embodiment of the present disclosure, the amphoteric surfactant is selected from (C ₈ -C ₂₀ )alkylbetaines, sulfobetaine, (C ₈ -C ₂₀ alkyl)amido(C ₂ -C ₈ alkyl)betaine, (C ₈ -C ₂₀ alkyl)amido(C ₂ -C ₈ alkyl)sulfobetaine, (C _8- C ₁₄ acyl)amphoacetates, (C _8- C ₁₄ acyl)amphoglycinates, or combinations thereof.

In one embodiment, the ( _C8 - _C20 )alkylbetaines are selected from behenylbetaine, cetyl betaine, cocoylbetaine, decylbetaine, or combinations thereof. Among the alkylbetaines, cocoylbetaine is preferred, for example the products sold by the company Rhodia under the brand name Mirataine® BB/FLA.

In one embodiment, the amphoteric surfactants include optionally quaternized amine derivatives of structures (III) and (IV) respectively below:

R _a -CON(Z)CH _2- (CH ₂ ) _m -N ⁺ (R _b )(R _c )(CH ₂ COO ^- ) (III)

Or :

R _a represents a C ₁₀ -C ₃₀ alkyl or alkenyl group, preferably an alkyl or alkenyl group present in hydrolyzed coconut oil, a heptyl group, a nonyl group or an undecyl group,

R _b represents hydrogen, an alkyl group or β-hydroxyethyl,

R _c represents hydrogen, an alkyl or carboxymethyl group;

m is equal to 0, 1 or 2,

Z represents a hydrogen atom or a hydroxyethyl or carboxymethyl group;

R _a' -CON(Z)CH _2- (CH ₂ ) _m' -N(B)(B') (IV)

Or :

B represents -CH ₂ CH ₂ OX', X' representing -CH ₂ -COOH, CH ₂ -COOZ', -CH ₂ CH ₂ -COOH, -CH ₂ CH ₂ -COOZ', or a hydrogen atom,

B' represents -(CH ₂ ) _z -Y', z = 1 or 2, and Y' representing -COOH, -COOZ', -CH ₂ -CHOH-SO ₃ H or -CH ₂ -CHOH-SO ₃ Z',

m' is equal to 0, 1 or 2,

Z represents a hydrogen atom or a hydroxyethyl or carboxymethyl group,

Z' represents an ion resulting from an alkali or alkaline-earth metal, such as sodium, potassium or magnesium; an ammonium ion; or an ion resulting from an organic amine and in particular from an aminoalcohol, such as monoethanolamine, diethanolamine and triethanolamine, monoisopropanolamine, diisopropanolamine or triisopropanolamine, 2-amino-2-methyl-1-propanol, 2-amino-2-methyl-1,3-propanediol and tris(hydroxymethyl)aminomethane, and

R _a' represents a C ₁₀ -C ₃₀ alkyl or alkenyl group, preferably alkyl or alkenyl present in linseed oil or hydrolyzed coconut oil, an alkyl group, in particular a C ₁₇ alkyl group, and its iso form, or an unsaturated C ₁₇ group.

In particular, according to one embodiment, the amphoteric surfactants may be a betaine-based amphoteric surfactant, for example, (C ₈ -C ₂₀ )alkylbetaines, sulfobetaines, (C ₈ -C ₂₀ alkyl)amido(C ₂ -C ₈ alkyl)betaines and (C ₈ -C ₂₀ alkyl)amido(C ₂ -C ₈ alkyl)sulfobetaines. Preferably, the amphoteric surfactants are selected from (C ₈ -C ₂₀ )alkylbetaines, (C ₈ -C ₂₀ )alkylamido(C ₂ -C ₈ )alkylbetaines, or combinations thereof. Preferably, the amphoteric surfactant is chosen from cocamidopropyl betaine (CAPB), cocoylbetaine, or their combinations.

In one embodiment, the amphoteric surfactant is present in the composition in an amount ranging from a total amount ranging from 2% by weight to 10% by weight, preferably from 3% by weight to 7% by weight, and more preferably from 4% by weight to 6% by weight, relative to the total weight of the composition.

Non-Ionic Surfactant

The composition, according to embodiments herein, provides a composition comprising at least one nonionic surfactant. In one embodiment, the nonionic surfactant is selected from alkyl polyglycoside, acyl glucamides, fatty amides, oxyalkylenated glycerol esters, or combinations thereof.

The nonionic surfactant includes an alkyl polyglycoside of formula (II):

R ₁ O-(R ₂ O) _t -(G) _v (II)

in which

R ₁ is a linear or branched alkyl or alkenyl radical comprising 6 to 24 carbon atoms, preferably 8 to 18 carbon atoms, or an alkylphenyl radical whose linear or branched alkyl radical comprises 6 to 24 carbon atoms, and preferably 8 to 18 carbon atoms,

R ₂ is an alkylene radical comprising 2 to 4 carbon atoms,

G is a sugar unit containing 5 to 6 carbon atoms,

t is a value ranging from 0 to 4 and preferably 0 to 2, and

v is a value ranging from 1 to 10 and preferably 1 to 4.

The glucoside bonds between the sugar units are generally of the 1-6 or 1-4 type, preferably of the 1-4 type. Preferably, the alkylpolyglycoside surfactant is an alkylpolyglucoside surfactant, more preferably, the alkylpolyglucoside is C ₈ /C ₁₆ alkyl polyglycosides and in particular chosen from decyl glucosides, caprylyl/capryl glucosides, or combinations thereof.

Commercial products include products sold by COGNIS under the names Plantaren® (600 CS/U, 1200 and 2000) or Plantacare® (818, 1200 and 2000); products sold by SEPPIC under the names Oramix CG 110 and Oramix NS 10; products sold by BASF under the name Lutensol GD 70, or products sold by Chem Y under the name AG10 LK.

In one embodiment, the nonionic surfactant present in the composition includes acyl glucamides selected from lauroyl/myristoyl methyl glucamide, capryloyl/capryl methyl glucamide, lauroyl methyl glucamide, myristoyl methyl glucamide, capryloyl methyl glucamide, capryl methyl glucamide, cocoyl methyl glucamide, capryloyl/caproyl methyl glucamide, cocoyl methyl glucamide, lauryl methyl glucamide, oleoyl methyl glucamide oleate, stearoyl methyl glucamide stearate, sunfloweroyl methyl glucamide and tocopheryl succinate methyl glucamide, or combinations thereof. Preferably, the acyl glucamide is lauroyl/myristoyl methyl glucamide, commercially available under the name Glucotain Flex.

In other embodiments, the nonionic surfactant also includes fatty amides, oxyalkylenated glycerol esters, or combinations thereof. In one embodiment, the fatty amide is selected from cocamide MEA (coco monoethanolamide) and cocamide MIPA (coco monoisopropanolamide), cocamide DEA (coco diethanolamide), cocamide DIPA (coco diisopropanolamine), lauramide MEA (lauryl monoethanolamide), lauramide DEA (lauryl diethanolamide), or combinations thereof.

In another embodiment, the nonionic surfactant may also be selected from oxyalkylenated glycerol esters. The oxyalkylenated glycerol esters are in particular polyoxyethylenated derivatives of glycerol esters and a fatty acid and their hydrogenated derivatives. These oxyalkylenated glycerol esters may be selected, for example, from glycerol esters and fatty acids that are hydrogenated and oxyethylenated, such as hydrogenated glyceryl palmate PEG-200, sold under the name Rewoderm LI-S 80 by the company Goldschmidt; oxyethylenated glyceryl cocoates, such as glyceryl cocoate PEG-7, sold under the name Tegosoft GC by the company Goldschmidt, and glyceryl cocoate PEG-30, sold under the name Rewoderm LI-63 by the company Goldschmidt; and their mixtures.

In one embodiment, the nonionic surfactant is in a total amount ranging from 0.05% by weight to 10% by weight, preferably from 0.1% by weight to 6% by weight, more preferably from 0.2% by weight to 3% by weight relative to the total weight of the composition.

Non-ionic thickener

The composition, according to the present disclosure, is a transparent cleaning composition, and it comprises at least one nonionic thickener. which imparts desirable textural characteristics to the composition.

In one embodiment, at least one nonionic thickener is present in the composition. In other embodiments, at least one thickener is selected from synthetic polymeric thickeners. In other embodiments, at least one thickener is selected from thickeners that form a clear composition that provides cleaning and rinsing. In a preferred embodiment, the nonionic thickener is selected from PEG (polyethylene glycol)-150 distearate, PEG-150 pentaerythrityl tetrastearate, or combinations thereof.

In one embodiment, the nonionic thickener is in a total amount ranging from 0.1% by weight to 2.5% by weight, preferably from 1% by weight to 2% by weight relative to the total weight of the composition.

Active Agent

The composition, according to embodiments herein, also includes at least one active agent selected from a refreshing agent, an antioxidant, a skin care agent, an exfoliating active or combinations thereof. The active agent is selected so as to provide the enhanced cosmetic effect such as refreshing, anti-exfoliating, anti-microbial, gentle scrubbing, antioxidant, skin care, skin repair, sebum regulation, anti-acne, etc. The composition, according to embodiments herein, is suitable for solubilizing at least one active agent, in particular for solubilizing hydrophobic active agents, while providing a clear transparent composition.

The composition, according to the embodiments herein, comprises one or more active agents selected from menthol, methyl diisopropyl propionamide, menthyl lactate, menthone glycerin acetal, menthyl lactate, ethyl menthane carboxamide, menthoxypropanediol, vitamin E, salicylic acid, beta hydroxybutanoic acid, tropic acid, trethocanic acid, panthenol, lactic acid, glycolic acid, mandelic acid, citric acid, malic acid, tartaric acid, lactobionic acid, gluconic acid or ester thereof, zinc gluconate, zinc sulfate, zinc salt of pyrrolidone carboxylic acid, vitamin B2, vitamin B6, vitamin C, ascorbyl glucoside, ascorbyl tetraisopalmitate, magnesium ascorbyl phosphate, phenoxyethanol, niacinamide, or combinations thereof.

The amount of at least one active agent according to embodiments herein may vary, independently. In one embodiment, the composition comprises at least one active agent in a total amount ranging from 0.01% by weight to 20% by weight, preferably from 0.05% by weight to 13% by weight relative to the total weight of the composition.

Additives

The composition, according to embodiments herein, may also include one or more additives, in particular cosmetic additives, which may be selected in particular from a fragrance, a humectant, a chelating agent, a neutralizer or combinations thereof. Examples of additives include, but are not limited to sorbitol, mannitol, xylitol, maltitol, maltitol syrup, lactitol, erythritol, isomalt, glycerin, propylene glycol, tetrasodium glutamate diacetate, ethylene diamine tetraacetic acid, essential oils, etc. It is understood that a person skilled in the art will take care to select the optional additives and/or their amount such that the advantageous properties of the composition used according to the disclosure are not detrimentally affected by the intended addition. All such embodiments, comprising the optional additives, are understood to be included within the scope of the present disclosure.

Water

The composition, according to embodiments herein, includes water in a weight range of 30 to 90 wt%, preferably 40 to 85 wt%, more preferably 50 to 80 wt% relative to the total weight of the composition.

Product

One embodiment of the present disclosure relates to a product preferably a personal care product comprising the composition as disclosed herein. In another embodiment, the product may comprise one or more active agents and optionally an additive. The other embodiment relates to a transparent product with a pH in a range of 5 to 5.5.

Methods and use

According to one embodiment, the present disclosure relates to a method of treating a keratinous material, comprising the step of applying the composition of the present disclosure to the keratinous material. In another embodiment, the present disclosure relates to a method of treating the skin, or the hair.

Preferably, the present disclosure relates to a method of treating acne on the skin, comprising the step of applying the composition of the present disclosure to the skin.

In one embodiment, the present disclosure also relates to the use of the composition of the present disclosure for treating or cleaning a keratinous surface such as the skin or hair. In another embodiment, the present disclosure relates to the use of the composition of the present disclosure as a makeup remover.

According to one embodiment, the present disclosure also relates to the use of the composition of the present disclosure for treating acne on the skin.

Although the present disclosure has been described in considerable detail with reference to certain embodiments and their implementations, other embodiments are possible to cover modifications and variations of the present disclosure.

EXAMPLES

The disclosure will now be illustrated by practical examples, which are intended to illustrate the operation of the disclosure and are not intended to impose restrictive limitations on the scope of this disclosure. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by a person skilled in the art to which this disclosure pertains. Although methods and materials similar or equivalent to those described herein may be used in the practice of the disclosed methods and compositions, the exemplary methods, devices and materials are described herein. It is to be understood that this disclosure is not limited to the particular methods and experimental conditions described, as such methods and conditions may apply.

In the following examples, unless otherwise indicated, the percentages are given by weight of the total weight of the composition. The percentages are percentages by weight per active ingredient or active material.

Example 1 Cleaning compositions

Cleaning compositions C(1) to C(6) in accordance with the present disclosure as provided in Table 1 were prepared as described below.

The process consisted of mixing ingredients of phase A with water at a temperature of about 75 to 80°C to obtain the first mixture. Ingredients of phase B were added at about 75 to 80°C to the main vessel with the first mixture and were homogenized to obtain the second mixture. Ingredients of phase C were then added to the second mixture at about 75 to 80°C and allowed to mix thoroughly and cool below 65°C to obtain a third mixture. Ingredients of phase D were pre-mixed and were then added to the third mixture, followed by the addition of ingredients of phase E, at about 45 to 50°C and allowed to mix with continuous stirring, resulting in the clear homogeneous composition.

Similarly, comparative compositions CP(1) to CP(10) were prepared with the set of ingredients in their corresponding wt% as shown in Table 2 below.

Phase Ingredients % by weight C(1) C(2) C(3) C(4) C(5) C(6) C(7) HAS Water 72.51 82.5 72.93 61,615 72.08 54,355 72.98 Tetrasodium glutamate diacetate 0.1 0.1 0.1 0.475 0.1 0.475 0.1 Glycerin 0.5 0.7 0.5 0.5 0.5 0.5 0.5 Dipropylene glycol - - - - - 0.5 - Propylene glycol 0.5 0.7 0.5 0.5 0.5 - 0.5 Panthenol 0.3 0.5 0.3 0.3 0.3 0.3 0.3 CAPB (cocamidopropyl betaine) 4.75 4.18 4.75 4.75 4.75 4.75 4.75 Sodium lauryl sarcosinate 2.63 2.25 2.55 2.55 2.55 2.55 2.55 PEG-150 Distearate 1.8 2 1.8 1.8 1.8 2 1.8 Sodium lauryl sulfoacetate 0.91 0.84 0.91 0.91 0.91 0.91 0.91 Disodium laureth sulfosuccinate 2.34 2.16 2.34 2.34 2.34 2.34 2.34 Disodium cocoyl glutamate 1.51 1.31 1.51 1.51 1.51 1.51 1.51 Sodium cocoyl glutamate 0.36 0.31 0.36 0.36 0.36 0.36 0.36 B Zinc PCA - 0.1 0.1 0.1 0.1 0.2 0.1 Salicylic acid 1.2 1.2 1.2 1.2 2 1.2 1.2 Allantoin - 0.05 0.05 - 0.05 0.1 - C Lactic acid 1.88 1.88 1.88 1.88 1.88 1.88 1.88 Water 3 3 3 3 3 3 3 Potassium hydroxide 1 2.0 1 1 1.05 1 1 D Glucotain Flex - 0.57 0.57 0.57 0.57 0.57 Decyl glucoside 1.06 - - 1.06 - - - Scent 0.6 0.6 0.6 0.6 0.6 0.5 0.6 Menthol 0.05 0.05 0.05 0.05 0.05 - 0.05 Vitamin E 0.5 0.5 0.5 0.5 0.5 0.5 0.5 E Phenoxyethanol 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Niacinamide 2 2 2 2 2 2 2

Phase Ingredients % by weight CP 1 CP 2 CP 3 CP 4 CP 5 CP 6 CP 7 CP 8 CP 9 CP 10 HAS Water 74.72 74.42 73.11 71.55 71.34 67.85 69.17 75.05 75.21 71.35 Tetrasodium glutamate diacetate 0.1 0.1 0.1 0.48 0.48 0.48 0.1 0.1 0.1 0.48 Glycerin 0.5 0.5 0.5 0.5 0.5 0.5 1 0.5 0.5 0.7 Dipropylene glycol 0.5 0.5 0.5 - 0.5 0.5 2 0.5 0.5 - Propylene glycol - - - 0.5 - - - - - 0.7 Panthenol 0.2 0.2 0.4 0.3 0.3 0.3 0.5 0.5 0.2 0.3 CAPB 4.75 4.37 4.75 4.37 4.75 4.56 2.28 4.37 4.37 Sodium cocoamphoacetate - - - - - - 1.6 - - - Sodium lauryl sarcosinate - 2.7 3.15 2.55 3.15 2.55 - 2.7 2.55 - Distearate
of PEG-150 0.8 0.8 1 1.5 3 1.5 1.5 0.8 2 1.5 Sodium lauryl sulfoacetate 1.26 - 1.12 0.84 1.12 0.84 - - 0.7 0.8 Disodium laureth sulfosuccinate 3.24 - 2.88 2.16 2.88 2.16 4.2 - 1.8 2.07 Disodium cocoyl glutamate 1.51 - - - - - - - - Sodium cocoyl glutamate 0.36 - - - - - - - - - Sodium methyl cocoyl taurate - 4.35 - - - 6.5 6.5 4.35 - 2.1 C14-16 sodium olefin sulfonate - - - 3.8 - - - - 3.04 4.37 B Zinc PCA 0.2 0.2 0.2 0.1 0.2 0.1 0.2 0.2 1 0.1 Salicylic acid 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 Allantoin 0.1 0.1 0.1 0.05 0.05 0.05 0.1 0.1 0.1 0.05
C Lactic acid 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88 Water 3 3 3 3 3 3 3 3 3 \3 Potassium hydroxide 1.98 1.98 1.98 1 1 1 0.87 0.85 1 1 D Glucotain Flex - - - 0.57 - 0.38 - - 0.57 0.38 PEG-7 Glyceryl Cocoate 0.2 0.2 - - 1 1 0.25 0.25 - - Decyl glucoside - - 0.53 - - - - - 0.5 - Scent 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 Menthol - - - 0.05 0.05 0.05 0.05 0.05 0.05 0.05 E Vitamin E 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 1 0.5 Phenoxyethanol 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Niacinamide 2 2 2 2 2 2 2 2 2 2

Example 2 Evaluation of compositions Viscosity measurements

The compositions as prepared in Example 1 were subjected to viscosity measurements using the LR Lamy rheology instrument, the RM200 Touch rheometer with an M3 spindle. Each of the test composition was poured into the cup attached to the rim of the instrument and the viscosity was measured. The final measurement at 600 seconds was recorded.

Determination of foam volume

A 1% sample solution comprising the test composition with hard water was prepared. The sample solution was mixed at a constant speed for approximately 60 seconds and then transferred to a measuring cylinder. The foam was leveled and the foam volume for each sample solution was noted.

pH measurement

The pH of the test compositions was measured using a Mettlor Toledo pH instrument, calibrated with a buffer solution. The pH of the compositions was measured at room temperature, approximately 25°C.

Transepidermal water loss (TEWL) measurement

The surface of the stratum corneum (SC) samples was cleaned with isooctane and placed in TEWL sample holders. The sample holders were then immersed in Evian water to moisten the SC and then dried under ambient atmosphere for at least 1 hour. The SC sample surface was pre-moistened with 10 μL per solution, of a mixture of water and n-propanol (8:2) before being conditioned for 8 hours in a glove box under controlled atmosphere (30 °C, 30% RH). The control TEWL measurement “T0” was recorded.

The SC samples were then immersed in the test compositions diluted 4 times (25%) with Evian water for 2 h with gentle shaking on the shaker and rinsed with three successive washes of Evian water. The samples were left at room temperature for at least 4 h to ensure drying. The SC samples were then placed in the temperature and humidity control chamber for equilibration at 30 °C and 30% RH. After overnight equilibration, TEWL measurements “T1” were recorded.

Zein score

The aggressiveness of surfactants was assessed using the zein solubility test in which zein, a yellow corn protein similar to keratin in the skin, with limited solubility in water, is denatured (solubilized) by the surfactant. The ability of surfactants to denature and solubilize zein was related to their skin irritation potential. Soluble zein protein was measured by the modified Lowry method using a spectrophotometer. Absorbance was correlated with the solubility of zein protein, which in turn was considered a measure of the irritation potential or aggressiveness of the product. The aggressiveness of the analyzed samples was ranked and compared using 1.5% sodium laureth sulfate (SLS) solution as a positive control. Aggressiveness data of samples are expressed as a percentage of the SLS score.

Appearance and Texture Analysis

The appearance and texture of the compositions were analyzed using the Datacolor light box. The test samples were placed in a clear glass beaker, against a black background in the Datacolor light box. The light source was adjusted, and each of the test compositions was observed for any particles, haze or translucency.

Consumer feedback

A consumer study was conducted to understand the cosmetic potential of the compositions (leave-on on dry or wet face). A study was conducted on 16 consumers, aged 18 to 24. Consumers were asked to give their opinion on the texture, radiance and glow.

Instrumental Test

The antimicrobial activity of the composition was evaluated by ASTM 2783 standard protocol using the test organism Cutibacterium acnes ATCC 11827 at a temperature of 25 °C±1 °C. The test compositions were NEAT C(7) and C(7) with 75% dilution in water. The % germ killing activity was measured for a period of 1 min.

Example 3 Results Viscosity measurements

The viscosities of the compositions of the present disclosure and of the comparative compositions were determined for various periods and at varying temperatures. The viscosity values obtained are as shown in Table 3 below.

Viscosity C(1) C(2) C(3) C(4) CP(1) CP(2) CP(3) Viscosity T0 1230 1341 1051 1569 254 312 191 Viscosity (M3 T8 Week-RT) 1145 1378.2 1017 - - - - Viscosity-M3 (T8 Week 45°C) 1062 ND ND 1675 - - - Viscosity-M3 (T8 Week 50°C) 981 ND ND 1602 - - - Viscosity-M3 (T8 Sem. RT) 1193 ND ND 1473 - - -

ND-not determined

It could be observed that the viscosities of the compositions of the present disclosure were in the desired range of 400 to 3000 cps, while the comparative compositions exhibited very low viscosity, hence were fluid and not suitable for easy spreading and retention on the skin. The favorable viscosity of the composition of the present disclosure could be attributed to the combination of anionic and nonionic surfactants. It could be noted that CP(1) and CP(2) were free of nonionic surfactants and CP(3) was free of anionic surfactant such as sulfonate surfactant unlike the compositions of the present disclosure. It was found that the compositions of the present disclosure exhibited a serum-like appearance with the desired viscosity for easy spreading on wet and dry skin. Moreover, the composition of the present disclosure offered the possibility of leaving the composition on the skin for a period of 1 to 5 minutes, providing sufficient time to nourish the skin.

Determination of foam volume

The foam volume of the compositions of the present disclosure and the comparative compositions were measured and are tabulated below. It was observed that the combination of surfactants such as anionic, amphoteric and nonionic surfactants as disclosed herein provided improved foam volume compared to the composition without the combination of these surfactants.

Foam volume C(1) C(2) C(3) CP(1) CP(2) CP(3) T0 165 ml 180 ml 175 ml 105 ml 95 ml 112 ml T 5MIN 160 ml 175 ml 170 ml 100 ml 90 ml 105 ml

pH measurement

The pH of the measured compositions is shown in Table 5 below, in which the compositions were all within the favorable pH range of 5 to 5.5, even at elevated temperatures.

pH C(1) C(4) CP(4) CP(5) CP(6) pH (T0) Initial 5.21 5.28 5.21 5.03 5.02 pH (T8 Week 45°C) 5.17 5.22 5.29 5.09 4.97 pH (T8 Week 50°C) 5.13 5.29 5.18 5.11 4.98 pH (T8 Week RT) 5.1 5.31 5.19 4.98 5.06

Measurement of TEWL and zein

The composition of the present disclosure and the comparative composition were subjected to TEWL analysis and zein measurement according to the protocol explained above and the corresponding values are shown in Table 6 below.

The composition of the present disclosure with said combination of surfactants did not impair the integrity of the SC barrier and thus showed less TEWL. Furthermore, the composition of the present disclosure was milder on skin proteins as it showed lower zein scores compared to the composition without the desired combination of surfactants.

Measures C(6) CP(10) TEWL (Water Flow Measurement) 18 64 Zein score 48% 91%

Appearance and Texture Analysis

Table 7 shows the observations made for the appearance and texture of the compositions. It could be clearly understood that the compositions of the present disclosure were transparent and stable even at higher temperatures for a longer time, thereby providing increased storage stability and shelf life.

Appearance/Clarity C(1) C(4) C(3) C(5) CP(4) CP(5) CP(6) CP(7) CP(8) CP(9) T0 Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear T4 weeks (week) 45°C Clear Clear Clear No separation Clear No separation Clear Clear Clear Separation and cloudy appearance Separation and cloudy appearance Separation and cloudy appearance T4 Week 50°C Clear Clear Clear No separation Clear No separation Clear Clear Clear Separation and cloudiness Separation and cloudiness Separation and cloudiness T4 Week RT Clear Clear Clear No separation Clear No separation Clear Clear Clear No separation but translucency blurry appearance Separation T8 Week 45°C Clear Clear ND ND Disorder Disorder Disorder Separation and cloudy appearance Separation and cloudy appearance Separation and cloudy appearance T8 Week 50 °C Clear Clear ND ND Disorder Disorder Disorder Separation and cloudy appearance Separation and cloudy appearance Separation and cloudy appearance T8 Week RT Clear Clear ND ND Disorder Disorder Disorder Separation and cloudy appearance Separation and cloudy appearance Separation and cloudy appearance

Consumer feedback

15 out of 16 consumers preferred the composition of this disclosure over their usual cleansers for benefits on radiance, shine and acne management. Consumers perceived increasing benefits on acne and radiance with the use of the composition of this disclosure.

Instrumental Test

The antimicrobial activity study of the composition of the present disclosure confirmed that the composition was capable of effectively killing microbes, both as NEAT as well as in its diluted form, as shown in Table 8 below. Thus, it was found that the cleaning composition, even when diluted, effectively killed microbes, thereby confirming its enhanced cosmetic behavior.

Composition Observation at 1 min
(% destruction of C.acnes ) C(7)- NEAT form 99.92% C(7)- Dilution to 75% with water 90.60%

Accordingly, it was observed that the use of specific ingredients within the disclosed weight ranges as disclosed in various embodiments herein facilitated the achievement of the cosmetic composition with the desired sensory properties and stability.

BENEFITS OF THIS DISCLOSURE

The present disclosure provides a clear cleansing composition comprising a combination of at least one anionic surfactant, at least one amphoteric surfactant, at least one nonionic surfactant with at least one nonionic thickener. The composition comprises optimized weight ratios of said surfactants which allow for complete solubilization of a wide range of actives. Furthermore, the composition comprising the optimized level of actives as well as the additives offers multiple benefits for the skin. The composition is clear, of a desirable serum-like texture for easy spreading, with an optimized pH and desired foamability. The composition is clear and stable at higher temperatures for a longer period, and thus has enhanced stability and shelf life. The composition is mild and suitable for all skin types and offers sebum control to prevent acne. The composition treats acne and reduces acne marks. The composition provides instant and long-lasting hydration and ensures a smooth and even complexion throughout its persistent use.

Claims (9)

Cleaning composition comprising:
at least one anionic surfactant selected from an amino acid surfactant, a sulfonate surfactant, or combinations thereof, in a total amount ranging from 0.01% by weight to 40% by weight relative to the total weight of the composition;
at least one amphoteric surfactant in a total amount ranging from 2% by weight to 10% by weight relative to the total weight of the composition;
at least one nonionic surfactant in a total amount ranging from 0.05% by weight to 10% by weight relative to the total weight of the composition; and
at least one non-ionic thickener. Composition according to claim 1, wherein the composition comprises at least one active agent,
preferentially the active agent is chosen from a refreshing agent, an antioxidant, a skin care agent, an exfoliating active ingredient or their combinations;
preferably the active agent is in a total amount ranging from 0.01% by weight to 20% by weight, preferably from 0.05% by weight to 13% by weight relative to the total weight of the composition. Composition according to either of the preceding claims, in which the anionic surfactant is in a total amount ranging from 0.1% by weight to 20% by weight, and more preferably from 0.3% by weight to 10% by weight, relative to the total weight of the composition;
preferentially, the sulfonate surfactant is chosen from alkylsulfonates, alkylarylsulfonates, alkyl sulfsuccinates, alkylsulfoacetates, alkyl ether sulfosuccinates, paraffin sulfonates, acyl isethionates, olefin sulfonates, or combinations thereof, the sulfonate surfactant is preferentially in a total amount ranging from 0.1% by weight to 15% by weight, preferentially from 0.5 to 7.5% by weight relative to the total weight of the composition;
preferably, the amino acid surfactant is chosen from dipotassium capryloyl glutamate, dipotassium undecylenoyl glutamate, disodium capryloyl glutamate, disodium cocoyl glutamate, disodium lauroyl glutamate, disodium stearoyl glutamate, disodium undecylenoyl glutamate, potassium capryloyl glutamate, potassium cocoyl glutamate, potassium lauroyl glutamate, potassium myristoyl glutamate, potassium stearoyl glutamate, potassium undecylenoyl glutamate, sodium capryloyl glutamate, sodium cocoyl glutamate, sodium lauroyl glutamate, sodium myristoyl glutamate, sodium olivoyl glutamate, sodium palmitoyl glutamate, sodium stearoyl glutamate, sodium undecylenoyl glutamate, potassium lauroyl sarcosinate, potassium cocoyl sarcosinate potassium, sodium cocoyl sarcosinate, sodium lauroyl sarcosinate, sodium myristoyl sarcosinate, sodium oleoyl sarcosinate, sodium palmitoyl sarcosinate, ammonium lauroyl sarcosinate, or combinations thereof; the amino acid surfactant is preferably in a total amount ranging from 0.01% by weight to 23% by weight, preferably from 0.1 to 10% by weight relative to the total weight of the composition;
preferably, the anionic surfactant further comprises alkyl phosphates, alkyl ether phosphates, alkyl succinates, acyl taurates or combinations thereof, Composition according to any one of the preceding claims, in which the amphoteric surfactant is chosen from (C ₈ -C ₂₀ )alkylbetaines, sulfobetaine, (C ₈ -C ₂₀ alkyl)amido(C ₂ -C ₈ alkyl)betaine, (C 8 _{-C 20} alkyl)amido(C ₂ -C ₈ alkyl)sulfobetaine, (C _8- C ₁₄ acyl)amphoacetates, (C _8- C ₁₄ acyl)amphoglycinates, or combinations thereof, preferably (C ₈ -C ₂₀ alkyl)amido(C ₂ -C ₈ alkyl)betaine; the amphoteric surfactant is preferably in a total amount ranging from 3% by weight to 7% by weight, and more preferably from 4% by weight to 6% by weight, relative to the total weight of the composition. A composition according to any preceding claim, wherein the nonionic surfactant is selected from alkyl polyglycoside, acyl glucamides, fatty amides, oxyalkylenated glycerol esters or combinations thereof;
preferentially the alkyl polyglycoside is of formula (II):
R ₁ O-(R ₂ O) _t -(G) _v (II)
in which
R ₁ is a linear or branched alkyl or alkenyl radical comprising 6 to 24 carbon atoms, preferably 8 to 18 carbon atoms, or an alkylphenyl radical whose linear or branched alkyl radical comprises 6 to 24 carbon atoms, and preferably 8 to 18 carbon atoms,
R ₂ is an alkylene radical comprising 2 to 4 carbon atoms,
G is a sugar unit containing 5 to 6 carbon atoms,
t is a value ranging from 0 to 4 and preferably 0 to 2, and
v denotes a value ranging from 1 to 10 and preferably 1 to 4;
preferentially, the acyl glucamide is chosen from lauroyl methyl glucamide, myristoyl methyl glucamide, capryloyl methyl glucamide, capryl methyl glucamide, cocoyl methyl glucamide, caproyl methyl glucamide, lauryl methylglucamide, oleoyl methylglucamide oleate, stearoyl methylglucamide stearate, sunfloweroyl methylglucamide, tocopheryl succinate methylglucamide, or combinations thereof;
preferably, the nonionic surfactant is in a total amount ranging from 0.1% by weight to 6% by weight, more preferably from 0.2% by weight to 3% by weight relative to the total weight of the composition. Composition according to any one of the preceding claims, in which the non-ionic thickener is chosen from PEG (polyethylene glycol)-150 distearate, PEG-150 pentaerythrityl tetrastearate, or combinations thereof; preferably the non-ionic thickener is in a total amount ranging from 0.1% by weight to 2.5% by weight, preferably 1% by weight to 2% by weight relative to the total weight of the composition. Composition according to any one of the preceding claims, further comprising at least one additive chosen from a fragrance, a humectant, a chelating agent, a neutralizer or their combinations; preferably the composition comprises at least one solvent, preferably water, in a total amount preferably ranging from 30% by weight to 90% by weight, preferably 40% by weight to 85% by weight, more preferably 50% by weight to 80% by weight, relative to the total weight of the composition. Composition according to any one of the preceding claims, in which the composition is transparent for at least 8 weeks at a temperature ranging from 25°C to 50°C, preferably the composition has a pH in a range of 5 to 5.5 and a viscosity preferably in a range of 400 to 3000 cps, preferably 500 to 2500 cps. Personal care product, comprising the cleansing composition according to any one of claims 1 to 8; preferably the product is transparent, with a pH preferably in a range of 5 to 5.5.