IP Library › Granted Patent US 12,290,589
Granted Patent B2
US 12,290,589 · App. 17/136,893 · Granted May 6, 2025

Cosmetic and personal care compositions containing cationic surfactants and anionic compounds

Inventors: XianZhi Zhou (Millburn, NJ); Siliu Tan (Westfield, NJ)
Assignee: L'OREAL
A61K8/8147A61K8/04A61K8/342A61K8/416A61K8/4973A61K8/817A61K8/898A61Q5/12A61K2800/10A61K2800/5424A61K2800/594A61K2800/596
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Quick Facts
Patent No.
US 12,290,589
App. No.
17/136,893
Granted
May 6, 2025
Kind
B2
Abstract

The instant disclosure relates to cosmetic compositions that include a non-hydrophobically modified anionic polymer; a cationic surfactant, including a cationizable surfactant; a fatty alcohol; and a cosmetically acceptable solvent; wherein the pH of the composition is below 5. Methods for using such cosmetic compositions are also provided.

Claims (53)

1. A cosmetic composition comprising:

(a) at least 0.3 wt. % of at least one non-hydrophobically modified anionic copolymer of two or more monomers selected from acrylic acid, methacrylic acid, or simple esters thereof, wherein the simple esters thereof are selected from methyl, ethyl, propyl, butyl, or pentyl esters;

(b) from about 0.1 to about 5 wt. % of at least one cationic surfactant;

(c) from about 2 to about 9 wt. % of at least one fatty alcohol;

(d) from about 60 to about 90 wt. % of water;

(e) optionally, at least one silicone;

(f) at least one nonionic surfactant; and

(g) at least one fatty compound selected from plant-based oils, hydrocarbon oils, esters, fatty acids, or a mixture thereof; and

wherein the pH of the cosmetic composition is below 5;

the cosmetic composition is an emulsion;

the composition has a lamellar structure that breaks down and viscosity of the cosmetic composition decreases if the pH of the cosmetic composition is raised to 5.6; and

all percentages by weight are based on a total weight of the cosmetic composition.

2. The cosmetic composition of claim 1 , wherein the at least one non-hydrophobically modified anionic copolymer is not neutralized or partially neutralized.

3. The cosmetic composition of claim 1 , wherein the at least one non-hydrophobically modified anionic copolymer is an aqueous dispersion.

4. The cosmetic composition of claim 1 , wherein the at least one non-hydrophobically modified anionic copolymer is in an amount of from about 0.5 wt. % to about 5 wt. %, based on the total weight of the cosmetic composition.

5. The cosmetic composition of claim 1 , wherein the at least one cationic surfactant is selected from cetrimonium chloride, stearimonium chloride, behentrimonium chloride, behentrimonium methosulfate, behenamidopropyltrimonium methosulfate, stearamidopropyltrimonium chloride, arachidtrimonium chloride, distearyldimonium chloride, dicetyldimonium chloride, tricetylmonium chloride, oleamidopropyl dimethylamine, linoleamidopropyl dimethylamine, isostearamidopropyl dimethylamine, oleyl hydroxyethyl imidazoline, stearamidopropyl dimethylamine, behenamidopropyldimethylamine, behenamidopropyldiethylamine, behenamidoethyldiethylamine, behenamidoethyldimethylamine, arachidamidopropyldimethylamine, arachidamido-propyidiethylamine, arachidamidoethyidiethylamine, arachidamidoethyidimethylamine, brassicamidopropyldimethylamine, lauramidopropyl dimethylamine, myristamidopropyl dimethylamine, dilinoleamidopropyl dimethylamine, palmitamidopropyl dimethylamine, or mixtures thereof.

6. The cosmetic composition of claim 1 , wherein the at least one cationic surfactant is in an amount of from about 0.1 to about 5 wt. %, based on the total weight of the cosmetic composition.

7. The cosmetic composition of claim 1 , wherein the at least one fatty alcohol is selected from cetyl alcohol, stearyl alcohol, cetearyl alcohol, behenyl alcohol, lauryl alcohol, myristic or myristyl alcohol, arachidyl alcohol, lignoceryl alcohol, ceryl alcohol, montanyl alcohol, myricylic alcohol, decyl alcohol, undecyl alcohol, or a mixture thereof.

8. The cosmetic composition of claim 1 , wherein the pH of the composition is from about 2.5 to about 4.8.

9. The cosmetic composition of claim 1 comprising the at least one silicone of (e), wherein the at least one silicone is selected from amodimethicone, bis-hydroxy/methoxy amodimethicones, bis-cetearyl amodimethicone, amodimethicone, bis(C13-15 alkoxy) PG amodimethicones, aminopropyl phenyl trimethicones, aminopropyl dimethicones, bis-amino PEG/PPG-41/3 aminoethyl PG-propyl dimethicones, caprylyl methicones, or mixtures thereof.

10. The cosmetic composition of claim 9 , wherein the at least one silicone is in an amount of from about 0.1 to about 5 wt. %, based on the total weight of the cosmetic composition.

11. The cosmetic composition of claim 1 , wherein the at least one nonionic surfactant is selected from alkoxylated fatty alcohols, sorbitan derivatives, polyethylene glycol ester of fatty acids or alkoxylated carboxylic acids, or a mixture thereof.

12. The cosmetic composition of claim 11 , wherein the at least one nonionic surfactant is in an amount of from about 0.05 to about 10 wt. %, based on the total weight of the cosmetic composition.

13. The cosmetic composition of claim 1 , wherein the at least one fatty compound is in an amount of from about 0.1 to about 10 wt. %, based on the total weight of the cosmetic composition.

14. A cosmetic composition comprising:

(a) from about 0.5 to about 4 wt. % of an acrylates copolymer;

(b) from about 0.2 to about 4 wt. % of at least one cationic surfactant selected from cetrimonium chloride, stearimonium chloride, behentrimonium chloride, behentrimonium methosulfate, behenamidopropyltrimonium methosulfate, stearamidopropyltrimonium chloride, arachidtrimonium chloride, or a mixture thereof;

(c) from about 2 to about 7 wt. % of at least one fatty alcohol selected from cetyl alcohol, stearyl alcohol, cetearyl alcohol, behenyl alcohol, lauryl alcohol; myristic or myristyl alcohol, arachidyl alcohol, lignoceryl alcohol;

ceryl alcohol, montanyl alcohol, myricylic alcohol, decyl alcohol, undecyl alcohol, or a mixture thereof;

(d) from about 60 to about 90 wt. % of water:

(e) optionally, from about 0.1 to about 2 wt. % of at least one silicone;

(f) from about 0.05 to about 2 wt. % of at least one nonionic surfactant; and

(g) from about 0.1 to about 5 wt. % of at least one fatty compound selected from plant-based oils, hydrocarbon oils, esters, fatty acids, or a mixture thereof; and

wherein the pH of the composition is from about 2.5 to about 4.8,

the cosmetic composition is an emulsion,

the composition has a lamellar structure that breaks down and viscosity of the cosmetic composition decreases if the pH of the cosmetic composition is raised to 5.6,

the cosmetic composition is essentially free from anionic surfactants, and

all weights being based on a total weight of the cosmetic composition.

15. A method of treating hair, the method comprising applying onto hair, the cosmetic composition of claim 1 .

16. A method of treating a keratinous substrate selected from hair or skin, the method comprising applying onto the keratinous substrate, a cosmetic composition of claim 1 .

17. The method of claim 16 , wherein the keratinous substrate is hair, and the hair has been pre-alkalized or previously contacted with an alkaline treatment.

18. The method of claim 16 , wherein the method further comprises rinsing the keratinous substrate with water following application of the cosmetic composition onto the keratinous substrate.

19. The method of claim 16 , wherein the method imparts a fast wash or a fast rinse effect to the rinsing step.

20. A cosmetic composition consisting of:

(a) from about 0.5 to about 4 wt. % of acrylates copolymer;

(b) from about 0.2 to about 4 wt. % of at least one cationic surfactant;

(c) from about 2 to about 7 wt. % of at least one fatty alcohol selected from cetyl alcohol, stearyl alcohol, cetearyl alcohol, behenyl alcohol, lauryl alcohol; myristic or myristyl alcohol, arachidyl alcohol, lignoceryl alcohol; ceryl alcohol, montanyl alcohol, myricylic alcohol, decyl alcohol, undecyl alcohol, or a mixture thereof;

(d) from about 60 to about 90 wt. % of water:

(e) optionally, from about 0.1 to about 2 wt. % of at least one silicone;

(f) from about 0.05 to about 2 wt. % of at least one nonionic surfactant;

(g) from about 0.1 to about 5 wt. % of at least one fatty compound selected from plant-based oils, hydrocarbon oils, esters, fatty acids, or a mixture thereof;

(h) one or more preservatives, pH adjusters, chelants, colorants, salts, fragrances, vitamins, plant extracts, proteins, protein hydrolysates, amino acids, or a combination thereof;

wherein the pH of the cosmetic composition is from about 2.5 to about 4.8, the cosmetic composition is an emulsion, and all weights being based on a total weight of the cosmetic composition.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 13, 2022
From: ZHOU, XIANZHI; TAN, SILIU
To: L'OREAL
Reel/Frame 060181/0109 →
Continuity (1)
Related Publication 20220202686A1 · Jun 30, 2022
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