Composition for cleaning and / or brightening a keratinous surface and its application

Abstract

COMPOSITION FOR CLEANSING AND / OR BRIGHTENING A KERATINOUS SURFACE AND ITS APPLICATION This disclosure relates to a composition for cleansing and / or brightening a keratinous surface, such as skin, comprising at least one inorganic compound; propylene glycol laurate in an amount ranging from 1.5 to 5.5% by weight; at least one surfactant selected from an anionic surfactant, an amphoteric surfactant, or combinations thereof; and at least one fatty acid. This disclosure also relates to a method for cleansing and / or brightening a keratinous surface, such as skin. Figure for abstract: none

Description

Title of the invention: CLEANSING AND / OR BRIGHTENING COMPOSITION FOR A KERATINOUS SURFACE AND ITS APPLICATION FIELD OF INVENTION

[0001] This disclosure relates to the field of personal care products and, in particular, to cleansing compositions. This disclosure also relates to the use of the composition for cleaning and / or brightening keratinous surfaces. BACKGROUND OF THE INVENTION

[0002] Personal care products, particularly cleansing compositions, that provide skin-conditioning benefits are known. These compositions are expected to cleanse the skin with significant foaming / lathering characteristics and provide skin-brightening effects after use. However, formulating such compositions is often difficult due to the emulsification and deposition of skin-conditioning agents.

[0003] To avoid the emulsification of skin-conditioning agents, large quantities of these agents are often added to formulations, which can in turn affect the characteristics and stability of the product's foam. Furthermore, it is also necessary that the deposition of such agents does not leave an oily or greasy feeling on the skin. Thus, the cleansing composition must strike a balance between foam formation and the deposition of skin-conditioning agents to meet consumer demands for cleansing and brightening effects.

[0004] Although there are cleansing products on the market that claim to offer additional skin-brightening benefits, they are still not effective in providing both the cleansing and skin-brightening benefits.

[0005] Therefore, there is a need for an effective cleansing composition that can remove impurities while providing lasting radiance and is also gentle and suitable for sensitive and all skin types. Summary of the invention

[0006] In one aspect of this disclosure, a composition is proposed comprising: (a) at least one inorganic compound; (b) propylene glycol laurate in an amount from 1.5 to 5.5% by weight; (c) at least one surfactant selected from an anionic surfactant, an amphoteric surfactant or combinations thereof; and (d) at least one fatty acid.

[0007] In another aspect of this disclosure, a method for cleaning and / or brightening a keratinous surface, such as skin, is proposed, the method comprising: applying the composition as disclosed herein, with water on the skin, then transforming the composition into foam and rinsing off the composition.

[0008] In another aspect of the present invention, it is proposed to use the composition as disclosed herein to clean and / or brighten a keratinous surface such as skin.

[0009] These features, aspects, and advantages, as well as others, of the present subject matter will be better understood by reference to the following description and the attached 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 features of the claimed subject matter, nor to be used to limit the scope of the claimed subject matter. DETAILED DESCRIPTION OF THE INVENTION

[0010] Definitions

[0011] The term “INCI” is an abbreviation for International Nomenclature of Cosmetic Ingredients, which is a system of names proposed by the International Nomenclature Committee of the Personal Care Products Council to identify cosmetic or personal care ingredients.

[0012] This disclosure relates to a composition, preferably a cleansing composition. The cleansing composition of this disclosure is a foaming composition that provides an instant cleansing and brightening effect on the skin. Disclosed embodiments of this disclosure include a cleansing composition, a personal care product comprising the composition, and a method for cleansing and / or brightening a keratinous surface, such as the skin. The disclosed embodiments of this disclosure propose a composition that is a blended soap-based cleanser comprising a combination of surfactants with an inorganic powder and propylene glycol laurate. Furthermore, the composition is gentle on skin lipids and proteins and provides brightening, nourishment, radiance, and luminosity to the skin.The embodiments of this disclosure provide a cleansing composition that is gentle and suitable for all skin types. The disclosed embodiments of this disclosure further provide a composition with an appropriate viscosity suitable for use in tubes. The various embodiments herein disclose a composition comprising an inorganic compound, propylene glycol laurate, a surfactant, and a fatty acid.

[0013] Accordingly, the present invention provides a composition comprising i. at least one inorganic compound; ii. propylene glycol laurate; iii. at least one surfactant selected from an anionic surfactant, an amphoteric surfactant, or combinations thereof; and iv. at least one fatty acid. The present invention further provides a method for cleaning and / or brightening a keratinous surface, such as skin, the method comprising applying the composition with water to the skin, then transforming the composition into a foam and rinsing off the composition. The invention further provides the use of the composition for cleaning and / or brightening a keratinous surface such as skin. Composition

[0014] Some embodiments here propose a composition, in particular a cleaning composition.

[0015] The composition, according to embodiments herein, allows for effective cleansing and instant brightening of a keratinous surface, in particular of the skin.

[0016] The composition, according to embodiments shown herein, comprises (a) at least one inorganic compound; (b) propylene glycol laurate in an amount from 1.5 to 5.5% by weight; (c) at least one surfactant selected from an anionic surfactant, an amphoteric surfactant, or combinations thereof; and (d) at least one fatty acid. The composition also comprises water.

[0017] The composition, according to embodiments herein, comprises at least one polyol. The composition, according to embodiments herein, further comprises additives which are useful for improving the cosmetic and cleansing benefits of the composition.

[0018] The composition, according to one embodiment herein, has a strong foaming power, is gentle, and is easily rinsed from the keratinous surface. Furthermore, the composition, according to one embodiment herein, offers enhanced benefits for the keratinous surface, such as instant cleansing and lasting brightening, sebum regulation, an even skin tone, enhanced complexion, and radiance. Inorganic compound

[0019] The composition, according to embodiments herein, comprises at least one inorganic compound. The inorganic compound forming part of the composition provides skin-lightening and whitening effects when applied to the skin surface.

[0020] The inorganic compound, according to one embodiment herein, is chosen from titanium dioxide, zinc oxide, magnesium oxide or combinations thereof.

[0021] According to a preferred embodiment, the inorganic compound is titanium dioxide.

[0022] The amount of inorganic compound in the composition, according to embodiments herein, may vary.

[0023] According to one embodiment, the inorganic compound is in an amount ranging from 1 to 6% by weight, preferably in a range of 2 to 5% by weight, and more preferably in a range of 2 to 4% by weight, relative to the total weight of the composition. Propylene glycol laurate

[0024] The composition, according to embodiments herein, comprises propylene glycol laurate. The propylene glycol laurate, being part of the composition, provides the desired texture and viscosity and further helps to deposit the inorganic compound on the skin.

[0025] The amount of propylene glycol laurate in the composition, according to embodiments herein, may vary from 1.5 to 5.5% by weight, relative to the total weight of the composition.

[0026] According to a preferred embodiment, propylene glycol is in an amount ranging from 2 to 5% by weight and more preferably in a range of 3 to 5% by weight, relative to the total weight of the composition. Surfactant

[0027] The composition, according to embodiments herein, comprises at least one surfactant.

[0028] The composition, according to embodiments described herein, comprises at least one surfactant that imparts the foaming characteristics to the composition. Two or more surfactants may be used. Thus, a single type of surfactant or a combination of different types of surfactants may be used.

[0029] The term “surfactant” refers to a surfactant that reduces the surface tension or interfacial tension between two liquids, a liquid and a gas, or a liquid and a solid.

[0030] The quantity of surfactants in the composition, according to embodiments herein, may vary.

[0031] According to one embodiment, the surfactant is in an amount ranging from 1 to 30% by weight, preferably in a range of 5 to 20% by weight, and more preferably in a range of 7 to 15% by weight, relative to the total weight of the composition.

[0032] The surfactant, according to embodiments herein, is chosen from an anionic surfactant, an amphoteric surfactant, or combinations thereof.

[0033] Anionic surfactant

[0034] The composition, according to embodiments herein, may comprise one or more anionic surfactants.

[0035] The term "anionic surfactant" means a surfactant comprising, as ionic or ionizable groups, only anionic groups. These anionic groups are preferably selected from the following groups: CO2H, CO2, SO3H, SO3, OSO3H, OSO3, H2PO3, HPO3, PO32, H2PO2, HPO2, PO22, POH and PO.

[0036] In one embodiment, an entity is described as "anionic" when it contains at least one permanent negative charge or when it can be ionized by a negatively charged entity, under the conditions of use of the composition of this disclosure (medium, pH, for example) and does not contain a cationic charge.

[0037] The anionic surfactant(s), according to embodiments described herein, is / are selected from sulfate surfactants, carboxylate surfactants, sulfonate surfactants, or combinations thereof. A mixture of surfactants may also be used.

[0038] In some embodiments, the anionic carboxylate surfactant comprises at least one carboxylic or carboxylate function (-COOH or -COO ) and may optionally also comprise one or more sulfate and / or sulfonate functions.

[0039] In some embodiments, the anionic sulfonate surfactant comprises at least one sulfonate function (-SO3H or -SO3) and may optionally also comprise one or more sulfate functions, but does not comprise any carboxylate functions.

[0040] In some embodiments, the anionic sulfate surfactant comprises at least one sulfate function, but does not comprise any carboxylate or sulfonate functions.

[0041] In certain embodiments, the anionic surfactants may be selected from acylglycinates, acyllactylates, acylsarcosinates, acylglutamates; alkyl ether carboxylic acids, alkyl(C6 3O aryl) ether carboxylic acids, alkyl-D-galactosideuronic acids, alkylamidoether carboxylic acids; as well as the salts of these compounds; the alkyl and / or acyl groups of these compounds comprising from 6 to 30 carbon atoms, in particular from 12 to 28, better still from 14 to 24 or even from 16 to 22 carbon atoms; the aryl group preferably designating a phenyl or benzyl group; These compounds can be polyoxyalkylated, in particular polyoxyethylated, and then preferably include 1 to 50 ethylene oxide motifs, better still 2 to 10 ethylene oxide motifs.

[0042] In some embodiments, the anionic surfactant consists of C6-C24 alkyl monoesters of polyglycoside-polycarboxylic acids, such as the C6-C24 alkyl polyglycoside citrates, C6-C24 alkyl polyglycoside tartrates and C6-C24 alkyl polyglycoside sulfosuccinates, and their salts.

[0043] In some embodiments, the carboxylic anionic surfactants include polyoxyalkylened alkyl(amido)ether carboxylic acids and their salts, in particular those including 2 to 50 alkylene oxide groups, in particular ethylene oxide groups, such as the compounds sold by the Kao company under the names Akypo.

[0044] The polyoxyalkylened alkyl(amido) ether carboxylic acids that can be used are preferably chosen from those of formula (I):

[0045] Ri-(OC2H4)n-OCH2COOA (I)

[0046] wherein: Rr represents a linear or branched C6-C24 alkyl or alkenyl radical, a (C8-C9)phenyl radical, an R2CONH-CH2-CH2- radical with R2 denoting a linear or branched C9-C2[ alkyl or alkenyl radical; preferably Rr is a C8-C20 alkyl radical, preferably a C8-Ci8 radical; n' is an integer or decimal (average value) from 2 to 24 and preferably from 2 to 10; A denotes H, an ammonium, Na, K, Li, Mg or a monoethanolamine or triethanolamine residue.

[0047] In some embodiments, the anionic surfactants are mixtures of compounds of formula (I), in particular mixtures of compounds containing different Rr groups.

[0048] In certain embodiments, the polyoxyalkylened alkyl(amido)ether carboxylic acids that are particularly preferred are those of formula (I) in which: - Rr designates a linear or branched alkyl radical in C8-C22, in particular in C10-C16, or even in Ci2-Ci4, or even a (C8-C9)phenyl radical; - A designates a hydrogen or sodium atom, and - n' goes from 2 to 20, preferably from 2 to 10.

[0049] In certain embodiments, the anionic surfactant is selected from compounds of formula (I) in which Rr designates a Ci2-Ci4 alkyl radical or a cocoyl, oleyl, nonylphenyl or octylphenyl radical, A designates a hydrogen or sodium atom and n' ranges from 2 to 10. Among the commercial products that may preferably be used are those sold by Kao under the names: Akypo® NP 70 (Ri = nonylphenyl, n = 7, A = H), Akypo® NP 40 (Ri = nonylphenyl, n = 4, A = H), Akypo® OP 40 (Ri = octylphenyl, n = 4, A = H), Akypo® OP 80 (Ri = octylphenyl, n = 8, A = H), Akypo® OP 190 (Ri = octylphenyl, n = 19, A = H), Akypo® RLM 38 (Ri = Ci2-Ci4 alkyl, n = 4, A = H), Akypo® RLM 38 NV (Ri = Ci2-Ci4 alkyl, n = 4, A = Na), Akypo® RLM 45 CA (Ri = Ci2-Ci4 alkyl, n = 4.5, A = H), Akypo® RLM 45 NV (Ri = Ci2-Ci4 alkyl, n = 4.5, A = Na), Akypo® RLM 100 (R! = C12-C14 alkyl, n = 10, A = H), Akypo® RLM 100 NV (Ri = C12-C14 alkyl, n = 10, A = Na), Akypo® RLM 130 (Ri = C12-C14 alkyl, n = 13, A = H), Akypo® RLM 160 NV (Ri = C12-C14 alkyl, n = 16, A = Na), or by the company Sandoz under the names: Sandopan DTC-Acid (Ri = Cn alkyl, n = 6, A = H), Sandopan DTC (Ri = Cn alkyl, n = 6, A = Na), Sandopan LS 24 (Ri = C12-C14 alkyl, n = 12, A = Na), Sandopan JA 36 (Ri = Cn alkyl, n = 18, A = H), and more specifically the products sold under the following names: Akypo® RLM 45 (INCI: Laureth-5 carboxylic acid), Akypo® RLM 100, and Akypo® RLM 38.

[0050] In certain embodiments, the carboxylic anionic surfactants are chosen, alone or in mixture, from among: C6-C24 or even C2-C20 acylglutamates, such as stearoylglutamates, and in particular disodium stearoylglutamate; C6-C24 or even C2-C20 acylsarcosinates, such as palmitoylsarcosinates, and in particular sodium palmitoylsarcosinate; C2-C28 or even C4-C24 acyllactylates, such as behenoyllactylates, and in particular sodium behenoyllactylate; C6-C24 acylglycinates and in particular C2-C20 acylglycinates; C6-C24 alkyl ether carboxylates, and in particular Ci2-C2o alkyl ether carboxylates; in particular those including 2 to 50 ethylene oxide groups; polyoxyalkylened (C6-C24 alkyl)amidoether carboxylic acids, in particular those including 2 to 50 ethylene oxide groups;in particular in acidic form or as salts of alkali metal or alkaline earth metal, ammonium or amino alcohol. ;

[0051] In some embodiments, the anionic surfactants are polyoxyalkylened (C6-C24 alkyl) ether carboxylic acids and their salts.

[0052] In some embodiments, the anionic sulfonate surfactants that may be used include at least one sulfonate function (-SO3H or -SO3).They can be chosen from the following compounds: alkylsulfonates, alkylethersulfonates, alkylamidesulfonates, alkylarylsulfonates, α-olefinsulfonates, paraffin sulfonates, alkylsulfosuccinates, alkylethersulfosuccinates, alkylamidesulfosuccinates, alkylsulfoacetates, N-acyltaurates, acylisethionates; alkylsulfolaurates; and also the salts of these compounds; the alkyl groups of these compounds including from 6 to 30 carbon atoms, in particular from 12 to 28, better still from 14 to 24 or even from 16 to 22 carbon atoms; the aryl group preferably designating a phenyl or benzyl group; These compounds can be polyoxyalkylated, in particular polyoxyethylated, and preferably include 1 to 50 ethylene oxide motifs, and even better 2 to 10 ethylene oxide motifs.

[0053] In certain embodiments, the anionic sulfonate surfactants are selected, alone or in mixtures, from among: C6-C24 olefin sulfonates, and in particular C12-C20; C6-C24 alkylsulfosuccinates, and in particular C12-C20; laurylsulfosuccinates; C6-C24 alkyl ether sulfosuccinates and especially C12-C20; (acyl C6-C24)isethionates and preferably (acyl Ci2-Ci8)isethionates; especially in the form of alkali metal or alkaline earth metal, ammonium or amino alcohol salts.

[0054] In certain embodiments, the anionic sulfate surfactants that may be used include at least one sulfate function (-OSO3H or -OSO3). They may be selected from alkyl sulfates, alkyl ethers sulfates, alkylamidoethers sulfates, alkylaryl polyethers sulfates, monoglycerides sulfates; and salts of these compounds; the alkyl groups of these compounds including from 6 to 30 carbon atoms, in particular from 12 to 28, more preferably from 14 to 24 or even from 16 to 22 carbon atoms; the aryl group preferably designating a phenyl or benzyl group; these compounds may be polyoxyalkylated, in particular polyoxyethylated, and then preferably include from 1 to 50 ethylene oxide motifs and more preferably from 2 to 10 ethylene oxide motifs.

[0055] In certain embodiments, the anionic sulfate surfactants are chosen, alone or in mixture, from: in particular C6-C24 or even C12-C20 alkyl sulfates, and in particular C6-C24 or even C12-C20 alkyl ether sulfates, preferably comprising 1 to 20 ethylene oxide motifs; in particular in the form of alkali metal or alkaline earth metal, ammonium or amino alcohol salts.

[0056] In some embodiments, the anionic surfactant is in the form of a salt, said salt being selected from alkali metal salts, such as sodium or potassium salts, ammonium salts, amine salts, and in particular amino alcohol salts, and alkaline earth metal salts, such as magnesium salts. Examples of amino alcohol salts 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. Preferably, alkali metal or alkaline earth metal salts, and in particular sodium or magnesium salts.

[0057] In certain embodiments, the anionic surfactants are selected, alone or in mixtures, from among:

[0058] alkylsulfates in C6-C24 and in particular in Ci2-C2o;

[0059] C6-C24 alkyl ethers sulfates and in particular C12-C20; preferably comprising 1 to 20 ethylene oxide motifs;

[0060] the alkylsulfosuccinates in C6-C24 and in particular in Ci2-C2o;

[0061] C6-C24 olefin sulfonates and in particular C12-C20;

[0062] the alkyl ethersulfosuccinates in C6-C24 and in particular in C12-C20;

[0063] C6-C24 acylisethionates and in particular Ci2-Ci8;

[0064] acylsarcosinates in C6-C24 and in particular in Ci2-C2o;

[0065] C6-C24 alkyl ether carboxylates, preferably Ci2-C20 alkyl ether carboxylates; in particular those including 2 to 50 ethylene oxide groups;

[0066] polyoxyalkylened (C6-C24 alkyl)amidoether carboxylic acids and their salts, in particular those including 2 to 50 alkylene oxide groups and in particular ethylene oxide groups;

[0067] acylglutamates in C6-C24 and in particular in Ci2-C20;

[0068] acylglycinates in C6-C24 and in particular in Ci2-C20;

[0069] in particular in acidic form or in the form of alkali metal or alkaline earth metal salts, ammonium or amino alcohol.

[0070] In certain embodiments, the anionic surfactant is preferably selected from C6-C24 alkyl sulfates and in particular Ci2-C20, C6-C24 alkyl ether sulfates and in particular Ci2-C20 comprising preferably from 1 to 20 ethylene oxide motifs; these surfactants being more particularly in the form of alkali metal or alkaline earth metal salts, ammonium or amino alcohol; or mixtures thereof, preferably selected from sodium laureth sulfate, ammonium lauryl sulfate, sodium lauryl sulfate, sodium dodecyl sulfate, or combinations thereof, and more preferably selected from sodium laureth sulfate, sodium lauryl sulfate or combinations thereof.

[0071] Amphoteric surfactant

[0072] The composition, according to the embodiments herein, may comprise one or more amphoteric surfactants.

[0073] The term "amphoteric surfactant," as used herein, refers to a surfactant containing both anionic and cationic groups as ionizable groups. In one embodiment of this disclosure, an entity is described as "amphoteric" when it has the ability to switch between anionic properties, the isoelectric neutral state, and cationic properties, under the conditions of use of the composition of this disclosure (medium, pH, for example).

[0074] 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 in which the aliphatic group or at least one of the aliphatic groups is a linear or branched chain comprising 8 to 20 carbon atoms.

[0075] In certain embodiments, the amphoteric surfactant is chosen from among the (C8-C20 alkyl)betaines, the (C8-C20 alkyl)sulfobetaines, the (C8- C2o)amido(C2-C8 alkyl)betaine, (C8-C20 alkyl)amido(C2-C8 alkyl)sulfobetaines, or their combinations.

[0076] 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 in which the aliphatic group or at least one of the aliphatic groups is a linear or branched chain comprising 8 to 20 carbon atoms.

[0077] In one embodiment, the amphoteric surfactants include the optionally quaternized amine derivatives of structures (II) and (III) respectively shown below:

[0078] Ra-CON(Z)CH2 (CH2)m-N+(Rb)(Rc)(CH2COO) (II)

[0079] in which:

[0080] - Ra represents an alkyl or alkenyl group in C10-C30, preferably a group alkyl or alkenyl present in hydrolyzed coconut oil, a heptyl group, a nonyl group, or an undecyl group,

[0081] - Rb represents a hydrogen, an alkyl group or [3-hydroxyethyl,

[0082] - Rc represents a hydrogen, an alkyl or carboxy methyl group;

[0083] - m is equal to 0, 1 or 2,

[0084] - Z represents a hydrogen atom or a hydroxyethyl group or carboxymethyl;

[0085] Ra-CON(Z)CH2.(CH2)mN(B)(B') (III)

[0086] in which:

[0087] - B represents -CH2CH2OX', with X' representing -CH2-COOH, CH2-COOZ', -CH2 CH2-COOH, -CH2CH2-COOZ', or a hydrogen atom,

[0088] - B' represents -(CH2)Z-Y', with z = 1 or 2, and Y' representing -COOH, -COOZ', -CH2 -CHOH-SO3H or -CH2-CHOH-SO3Z',

[0089] - m' is equal to 0, 1 or 2,

[0090] - Z represents a hydrogen atom or a hydroxyethyl group or carboxymethyl,

[0091] - Z' represents an ion resulting from an alkali or alkaline earth metal, such as the sodium, potassium or magnesium; an ammonium ion; or an ion resulting from an organic amine and in particular from an amino alcohol, such as monoethanolamine, diethanolamine and triethanolamine, monoisopropanolamine, diisopropanolamine or triisopropanolamine, 2-amino-2-methyl-l-propanol, 2-amino-2-methyl-l,3-propanediol and tris(hydroxymethyl)aminomethane,

[0092] - Ra' represents a C10-C30 alkyl or alkenyl group, preferably an alkyl or alkenyl present in linseed oil or hydrolyzed coconut oil, a group alkyl, in particular an alkyl group in Cp, and its iso form, or an unsaturated Cp group.

[0093] In particular, according to one embodiment, the amphoteric surfactants may be a betaine-based amphoteric surfactant, for example, C8-C20 alkyl betaines, sulfobetaines, C8-C20 alkyl amido(C2-C8 alkyl)betaines, and C8-C20 alkyl amido(C2-C8 alkyl)sulfobetaines. Preferably, the amphoteric surfactants are selected from C8-C20 alkyl betaines, C8-C20 alkyl amido(C2-C8 alkyl)betaines, or combinations thereof. Preferably, the amphoteric surfactant is selected from cocamidopropyl betaine (CAPB), cocoyl betaine, or combinations thereof. Fatty acid

[0094] The composition, according to embodiments herein, comprises at least one fatty acid.

[0095] The term "fatty acids" refers to long-chain carboxylic acids which, during saponification, produce soaps and give an oil-free composition with cleansing properties and thus help to remove dirt, grease, sebum from clogged pores of the skin.

[0096] In some embodiments, the fatty acid is selected from a carboxylic acid comprising 8 to 40 carbon atoms, preferably 10 to 30 carbon atoms and more preferably 10 to 20 carbon atoms; and is selected preferably from lauric acid, myristic acid, palmitic acid, stearic acid, or combinations thereof.

[0097] According to a preferred embodiment, the fatty acid is lauric acid, myristic acid, stearic acid or one of their combinations.

[0098] Fatty acids can be linear or branched, saturated or unsaturated, cyclic or acyclic.

[0099] The amount of fatty acids in the composition, according to embodiments herein, may vary.

[0100] According to one embodiment, the fatty acid is in an amount ranging from 1 to 30% by weight, preferably in a range of 5 to 20% by weight, and more preferably in a range of 7 to 15% by weight, relative to the total weight of the composition.

[0101] According to a preferred embodiment, the fatty acid is in an amount from 1 to 30% by weight, preferably in a range of 5 to 20% by weight, more preferably in a range of 7 to 15% by weight, and even more preferably in a range of 9 to 11% by weight, relative to the total weight of the composition. pH correcting agent

[0102] The composition, according to embodiments herein, may include at least one pH-correcting agent. The pH-correcting agent forming part of the composition maintains the pH in a range of 8.0 to 9.0.

[0103] In certain embodiments, the pH correcting agent that can be used in the present invention is selected from aqueous ammonia, alkali metal carbonates or bicarbonates, alkali metal or alkaline earth metal phosphates, alkali metal or alkaline earth metal hydroxides, alkali metal or alkaline earth metal silicates or metasilicates, citrates, alkanolamines, amino acids, oxyethylenated and / or oxypropylenated ethylenediamines, 1,3-diaminopropane, spermine, spermidine, or combinations thereof.

[0104] In some embodiments, the pH correcting agent that can be used in the present invention is chosen from alkali metal or alkaline earth metal hydroxides, preferably sodium or potassium hydroxide.

[0105] In certain embodiments, the pH-correcting agent that can be used in the present invention is selected from alkanolamines, such as monoalkanolamines, dialkanolamines, or trialkanolamines comprising one to three identical or different Ci-C4 hydroxyalkyl radicals. In particular, the alkanolamine(s) is / are selected from monoethanolamine (MEA), diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, N,N-dimethylethanolamine, 2-amino-2-methyl-1-propanol, triisopropanolamine, 2-amino-2-methyl-1,3-propanediol, 3-amino-1,2-propanediol, 3-dimethylamino-1,2-propanediol, tris(hydroxymethyl)aminomethane, or combinations thereof.

[0106] In some embodiments, the organic amine may also be selected from amino acids comprising an additional amine group. Such amino acids are preferably selected from histidine, lysine, arginine, ornithine, and citrulline. In some embodiments, the organic amine may also be selected from heterocyclic organic amines. In addition to histidine, examples include pyridine, piperidine, imidazole, triazole, tetrazole, and benzimidazole. The organic amine may also be selected from amino acid dipeptides. Examples of amino acid dipeptides that may be used in the present invention include carnosine, anserine, and balenine. The organic amine may also be selected from compounds comprising a guanidine group.As amines of this type other than arginine which may be used in the present invention, particular examples may be given to creatine, creatinine, 1,1-dimethylguanidine, 1,1-diethylguanidine, glycocyamine, metformin, agmatine, n-amidoalanine, 3-guanidinopropionic acid, 4- acid. Guanidinobutyric acid and 2-([amino(imino)methyl]amino)ethane-l-sulfonic acid. Hybrid compounds that can be used include, in particular, guanidine carbonate or monoethanolamine hydrochloride.

[0107] The amount of pH correcting agent in the composition, according to embodiments herein, may vary.

[0108] According to one embodiment, the pH correcting agent is in an amount ranging from 1 to 20% by weight, preferably in a range of 2 to 10% by weight and more preferably in a range of 3 to 9% by weight, relative to the total weight of the composition. Polyol

[0109] The composition, according to embodiments herein, may comprise at least one polyol.

[0110] Some embodiments here propose a composition comprising at least one polyol.

[0111] The term "polyol" designates an organic compound consisting of a hydrocarbon chain optionally interrupted by one or more oxygen atoms and bearing at least two free hydroxyl groups (-OH) on different carbon atoms, this compound being optionally cyclic or acyclic, linear or branched, and saturated or unsaturated.

[0112] In one embodiment, the polyol comprises 2 to 30 hydroxyl groups, preferably 2 to 10 hydroxyl groups, and more preferably 2 to 3 hydroxyl groups.

[0113] In some embodiments, the composition comprises at least one polyol, preferably selected from hydrocarbon compounds comprising 2 to 30 hydroxyl groups, more preferably 2 to 10 hydroxyl groups, or better 2 to 3 hydroxyl groups.

[0114] In some embodiments, the polyol that may be used in the present invention is selected from diglycerol, glycerol, propylene glycol, propane-1,3-diol, 1,3-butylene glycol, pentane-1,2-diol, octane-1,2-diol, dipropylene glycol, hexylene glycol, ethylene glycol, polyethylene glycols, sorbitol, sugars such as glucose, or mixtures thereof, preferably from glycerol, propane-1,3-diol, or mixtures thereof. In some embodiments, the polyol is selected from propane-1,3-diol, glycerol, or combinations thereof.

[0115] The amount of polyol in the composition, according to embodiments herein, may vary.

[0116] According to one embodiment, the polyol is in an amount ranging from 0.1 to 25% by weight, preferably from 1 to 10% by weight and more preferably from 2 to 8% by weight, relative to the total weight of the composition. Polymer

[0117] The composition, according to embodiments herein, may comprise at least one polymer.

[0118] Some embodiments herein propose a composition comprising at least one polymer. The polymers forming part of the composition provide a skin-smoothing effect.

[0119] In one embodiment, the polymer is selected from hydroxyalkylcellulose, xanthan gum, acrylates, inulins, celluloses, xyloses, cellobiose, maltodextrin, scleroglucan, chitosan, ulvan, fucoidan, alginate, pectin, heparin, or combinations thereof.

[0120] In embodiments, the polymer is chosen from hydroxyalkylcellulose, xanthan gum, acrylates, inulins, celluloses, xyloses, cellobiose, maltodextrin, scleroglucan, chitosan, ulvan, fucoidan, alginate, pectin, heparin, or combinations thereof, preferably chosen from hydroxyalkylcellulose, xanthan gum, acrylates, or combinations thereof.

[0121] In some embodiments, the polymer is chosen from hydroxypropylmethylcellulose, an acrylate copolymer, xanthan gum or combinations thereof.

[0122] The amount of polymer in the composition, according to embodiments herein, may vary.

[0123] According to one embodiment, the polymer is in an amount ranging from 0.1 to 20% by weight, preferably from 0.2 to 0.15% by weight, and more preferably from 0.2 to 10% by weight, relative to the total weight of the composition. Deposit Agent

[0124] The composition, according to embodiments herein, may comprise one or more deposition agents. The deposition agent accumulates on the skin surface and thus provides skin-lightening effects. Examples of deposition agents include, but are not limited to, polybutene, starch, hectorite, or combinations thereof.

[0125] The amount of deposition agent in the composition, according to embodiments herein, may vary.

[0126] The deposition agent, according to embodiments herein, may be in an amount ranging from 0.1 to 10% by weight, preferably from 1 to 5% by weight, and more preferably from 2 to 4% by weight, relative to the total weight of the composition. Additives

[0127] The composition, according to embodiments herein, may comprise one or more additives.

[0128] The additive(s) is / are selected from antioxidants, chelating agents, preservatives, cosmetic actives, complexion actives, or combinations thereof. Examples of additives include, but are not limited to, niacinamide, vitamin C, melasyl, sorbitol, mannitol, xylitol, maltitol, maltitol syrup, lactitol, erythritol, isomalt, glycerin, propylene glycol, tetrasodium glutamate diacetate, ethylenediaminetetraacetic acid, essential oils, phenoxyethanol, sodium chloride, etc.

[0129] It is understood that a person skilled in the art will take care to select the optional additives and / or their quantity so that the advantageous properties of the composition used according to the disclosure are not adversely affected by the contemplated addition. All such embodiments, including optional additives, are understood to be included within the scope of this disclosure. Water

[0130] Some embodiments here propose a composition comprising water.

[0131] According to one embodiment, the water is in an amount ranging from 10 to 95% by weight, preferably from 30 to 90% by weight and more preferably from 40 to 85% by weight, relative to the total weight of the composition. Method and use

[0132] Embodiments herein propose a method for cleaning and / or lightening a keratinous surface, such as skin.

[0133] The process, according to embodiments herein, comprises applying the composition, with water, to the skin, then transforming the composition into foam and rinsing off the composition.

[0134] Embodiments herein propose the use of the composition according to the present invention.

[0135] A composition, according to embodiments herein, may more particularly be a composition for cleansing keratinous surfaces, such as human skin. Preferably, the composition, according to embodiments herein, is a composition for cleansing and brightening the skin. More preferably, the composition provides instant cleansing and brightening of the skin after the first use, and further imparts a significant radiance to the skin. Therefore, the composition, in various embodiments herein, may be a facial cleanser, a cleansing serum, a makeup remover, or a liquid cleanser.

[0136] The composition, according to embodiments herein, can preferably be applied with water to the skin, then the composition is transformed into a foam and rinsed off. It is possible to leave the composition according to the present disclosure on the keratinous surface for a certain period, such as a few minutes, after its Apply to the keratinous surface before rinsing to enhance the desired skin benefits. Examples

[0137] In the following examples, unless otherwise indicated, percentages are given as a percentage of the total weight of the composition. The percentages are percentages by weight per active ingredient or active substance. Example 1

[0138] Composition Cl (according to the present invention) was prepared by mixing components in specified quantities with a sufficient quantity of water as indicated in Table 1. Similarly, compositions C2 and C3 were prepared using the components as listed in Table 1 below.

[0139] Comparative compositions CPI and CP2 were prepared by mixing the components listed in Table 1 below. Composition CPI was free of propylene glycol laurate, and composition CP2 contained a higher amount of propylene glycol laurate. These compositions were tested for cleansing / brightening by applying the composition with water, allowing it to lather, and then rinsing it off. Visual observations were made on the cleansed skin. It can be observed that the composition containing propylene glycol laurate in the desired amount as disclosed herein exhibited an improved skin-brightening effect compared to the compositions containing a higher amount of propylene glycol laurate and those without propylene glycol laurate.

[0140] [Tables 1] Composition Ingredients (INCI) (% by weight) Cl C2 C3 CPI CP2 Hydroxyacetophenone 0.50 0.50 0.50 0.50 0.50 Tetrasodium glutamate diacetate 0.40 0.40 0.40 0.40 0.40 Titanium dioxide 3.00 3.00 3.00 3.00 3.00 Polybutene 0.00 0.00 3.00 3.00 0.00 Glycerin 5.00 8.00 8.00 8.00 5.00 Hydroxypropyl methylcellulose 0.40 0.40 0.40 0.40 0.40 Xanthan gum 0.20 0.20 0.20 0.20 0.20 Acrylates copolymer 8.82 8.82 8.82 8.82 8.82 Lauric acid 4.90 4.90 4.90 4.90 4.90 Myristic acid 4.90 4.90 4.90 4.90 4.90 Stearic acid 0.98 0.98 0.98 0.98 0.98 Potassium hydroxide 5.54 5.54 5.54 5.54 5.54 Propylene glycol laurate (100%) Glycol laurate (100%)) 3.00 4.50 3.00 0.00 6.00 Sodium laureth sulfate (Sodium laureth sulfate) 4.00 4.00 4.00 4.00 4.00 Cocamidopropyl betaine (Cocamido propylbetaine) 7.00 7.00 7.00 7.00 7.00 Phenoxyethanol (Phenoxyethanol) 0.70 0.70 0.70 0.70 0.70 Fragrance (Parfum) 0.90 0.90 0.90 0.90 0.90 Water (Eau) Qs 100 Qs 100 Qs 100 Qs 100 Qs 100 Brightening effect by visual observation YES YES YES NO NO BENEFITS OF THIS DISCLOSURE

[0141] This disclosure proposes a cleansing composition comprising at least one inorganic compound, propylene glycol laurate in an amount ranging from 1.5 to 5.5% by weight, at least one surfactant selected from an anionic surfactant, an amphoteric surfactant, or combinations thereof, and at least one fatty acid. The cleansing composition of this disclosure provides a skin-brightening effect, instant brightening, lasting radiance, and luminosity. This composition also has a significant viscosity suitable for use in a tube and compatible with a wide range of skin tones. The cleansing composition also leaves the skin soft and smooth, while instantly and lastingly regulating sebum and protecting it against dryness.The composition of this invention disclosure provides multiple benefits for the skin, such as sebum regulation, soft and supple skin, radiance and a feeling of non-dryness.

Claims

Demands

1. Composition comprising: i. at least one inorganic compound; ii. propylene glycol laurate in an amount from 1.5 to 5.5% by weight; iii. at least one surfactant selected from an anionic surfactant, an amphoteric surfactant, or combinations thereof; and iv. at least one fatty acid.

2. Composition according to claim 1, wherein propylene glycol laurate is preferably in an amount from 2 to 5% by weight, and more preferably in a range of 3 to 5% by weight, relative to the total weight of the composition.

3. A composition according to any one of the preceding claims, wherein the composition comprises at least one pH-correcting agent; wherein the pH-correcting agent is preferably in an amount from 1 to 20% by weight, preferably in a range of 2 to 10% by weight and more preferably in a range of 3 to 9% by weight, relative to the total weight of the composition; and / or wherein the pH-correcting agent is selected from aqueous ammonia, alkali metal carbonates or bicarbonates, alkali metal or alkaline earth metal phosphates, alkali metal or alkaline earth metal hydroxides, alkali metal or alkaline earth metal silicates or metasilicates, citrates, alkanolamines, amino acids, oxyethylenated and / or oxypropylenated ethylenediamines, 1,3-diaminopropane, spermine, spermidine, or combinations thereof;and / or in which the composition has a pH in a range of 8.0 to 9.0;

4. Composition according to any one of the preceding claims, wherein the inorganic compound is in an amount from 1 to 6% by weight, preferably in a range of 2 to 5% by weight, and more preferably in a range of 2 to 4% by weight, relative to the total weight of the composition; and / or wherein the inorganic compound is selected from titanium dioxide, zinc oxide, magnesium oxide, or combinations thereof.

5. Composition according to any one of the preceding claims, wherein the surfactant is in an amount from 1 to 30% by weight, preferably in a range of 5 to 20% by weight, and more preferably in a range of 7 to 15% by weight, relative to the total weight of the composition;

6. Composition according to any one of the preceding claims, wherein the anionic surfactant is selected from sulfate surfactants, carboxylate surfactants, sulfonate surfactants or combinations thereof; and the amphoteric surfactant is selected from (C8-C20 alkyl)betaines, (C8-C20 alkyl)sulfobetaines, (C8-C20 alkyl)amido(C3-C8 alkyl)betaines, (C8-C20 alkyl)amido(C6-C8 alkyl)sulfobetaines, or combinations thereof.

7. Composition according to any one of the preceding claims, wherein the fatty acid is in an amount from 1 to 30% by weight, preferably in a range of 5 to 20% by weight, and more preferably in a range of 7 to 15% by weight, relative to the total weight of the composition; and / or wherein the fatty acid is selected from a carboxylic acid comprising 8 to 40 carbon atoms, preferably 10 to 30 carbon atoms and more preferably 10 to 20 carbon atoms; and more preferably is selected from lauric acid, myristic acid, palmitic acid, stearic acid, or combinations thereof.

8. Composition according to any one of the preceding claims, wherein the composition comprises at least one polyol selected from hydrocarbon compounds comprising 2 to 30 hydroxyl groups, more preferably 2 to 10 hydroxyl groups, and more preferably 2 to 3 hydroxyl groups; and / or wherein the composition comprises at least one polymer selected from hydroxyalkylcellulose, xanthan gum, acrylates, inulins, celluloses, xyloses, cellobiose, maltodextrin, scleroglucan, chitosan, ulvan, fucoidan, alginate, pectin, heparin, or combinations thereof; and / or wherein the composition comprises water.

9. A method for cleaning and / or lightening a keratinous surface, such as skin, the method comprising: applying the composition according to any one of the claims 20 previous steps, with water on the skin, then the transformation of the composition into foam and the rinsing of the composition.

10. Use of the composition according to any one of the preceding claims, to cleanse and brighten a keratinous surface such as skin.