# US 12,109,287 B2 · Compositions and methods for altering the color of hair

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- Number: US 12,109,287 B2
- Document ID: US12109287B2
- Status: Granted
- Kind: B2
- Application number: 17/878,001
- Filed: 2022-07-31
- Published: 2024-02-01
- Granted: 2024-10-08
- Earliest claimed: 2022-07-31
- Assignees: L'oreal
- Applicants: L'Oreal
- Inventors: Shahid Mohammad Naseer; Aakash Jagat Parekh; Sivaramakrishnan Muthukrishnan
- Web page: https://patentgrep.com/patent/US12109287B2

## CPC

- A61K 8/365: Hydroxycarboxylic acids; Ketocarboxylic acids
- A61K 8/342: {Alcohols having more than seven atoms in an unbroken chain}
- A61K 8/361: {Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof}
- A61K 8/41: Amines
- A61K 8/44: Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
- A61K 8/604: {Alkylpolyglycosides; Derivatives thereof, e.g. esters}
- A61K 8/922: {of vegetable origin}
- A61Q 5/065: {Preparations for temporary colouring the hair, e.g. direct dyes}
- A61K 2800/4322: in preparations for temporarily coloring the hair further containing an oxidizing agent
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS

## Abstract

The disclosure relates to compositions for altering the color of keratin fibers and methods of using the compositions. The compositions comprise (a) a bonding system comprising (i) at least one first bonding agent chosen from lactic acid and/or salts thereof, and (ii) at least one second bonding agent chosen from amino acids and/or salts thereof; (b) at least one fatty alcohol; (c) at least one fatty acid; (d) at least one alkyl polyglucoside; (e) at least one alkalizing agent; and (f) at least one solvent. The compositions can further comprise one or more oxidation dyes, couplers, oxidizing agents, or combinations thereof.

## Claims

### Claim 1

A composition for altering the color of keratin fibers comprising:
(a) a bonding system comprising:
(i) at least one first bonding agent chosen from lactic acid and/or salts thereof; and
(ii) at least one second bonding agent chosen from amino acids and/or salts thereof;
(b) at least one fatty alcohol;
(c) at least one fatty acid;
(d) at least one alkyl polyglucoside;
(e) at least one alkalizing agent; and
(f) at least one solvent comprising water;
wherein the pH of the composition is greater than 7, and
wherein the composition is essentially free of cationic polymers.

### Claim 2 (depends on 1)

The composition of claim 1, wherein the composition further comprises from about 0.0001% to about 10% by weight, relative to the total weight of the composition, of at least one hair color-altering agent chosen from oxidative dyes, couplers, or combinations thereof.

### Claim 3 (depends on 1)

The composition of claim 1, wherein the total amount of lactic acid and/or salts thereof ranges from about 0.1% to about 5% by weight, relative to the total weight of the composition.

### Claim 4 (depends on 1)

The composition of claim 1, wherein the total amount of the second bonding agent(s) ranges from about 0.1% to about 12% by weight, relative to the total weight of the composition.

### Claim 5 (depends on 1)

The composition of claim 1, wherein the at least one second bonding agent is chosen from glycine, arginine, salts thereof, or mixtures thereof.

### Claim 6 (depends on 1)

The composition of claim 1, wherein the composition comprises arginine and/or salts thereof in an amount ranging from about 0.1% to about 7% by weight, relative to the total weight of the composition.

### Claim 7 (depends on 1)

The composition of claim 1, wherein the composition comprises glycine and/or salts thereof in an amount ranging from about 0.1% to about 5% by weight, relative to the total weight of the composition.

### Claim 8 (depends on 1)

The composition of claim 1, wherein the composition comprises:
from about 0.5% to about 5% of lactic acid;
from about 1% to about 7% of arginine; and
from about 1% to about 5% of glycine;
wherein all amounts are by weight, relative to the total weight of the composition.

### Claim 9 (depends on 1)

The composition of claim 1, wherein the composition comprises lactic acid, arginine, and glycine, and wherein the weight ratio of lactic acid:arginine:glycine is about 1:3:1.5.

### Claim 10 (depends on 1)

The composition of claim 1, wherein:
the at least one fatty alcohol is chosen from decyl alcohol, undecyl alcohol, dodecyl alcohol, myristyl alcohol, lauryl alcohol, cetyl alcohol, stearyl alcohol, cetearyl alcohol, isostearyl alcohol, isocetyl alcohol, behenyl alcohol, linalool, oleyl alcohol, isotridecyl alcohol, cis-4-t-butylcyclohexanol, myricyl alcohol, or mixtures thereof; and
the total amount of fatty alcohol(s) ranges from about 0.5% to about 25% by weight, relative to the total weight of the composition.

### Claim 11 (depends on 1)

The composition of claim 1, wherein:
the at least one fatty acid is chosen from myristic acid, lauric acid, palmitic acid, stearic acid, behenic acid, arichidonic acid, oleic acid, isostearic acid, sebacic acid, or mixtures thereof; and
the total amount of fatty acid(s) ranges from about 0.5% to about 15% by weight, relative to the total weight of the composition.

### Claim 12 (depends on 1)

The composition of claim 1, further comprising at least one vegetable oil, wherein the total amount of vegetable oil(s) ranges from about 0.5% to about 15% by weight, relative to the total weight of the composition.

### Claim 13 (depends on 1)

The composition of claim 1, wherein the total amount of alkyl polyglucoside(s) ranges from about 0.05% to about 5% by weight, relative to the total weight of the composition.

### Claim 14 (depends on 1)

The composition of claim 1, wherein:
the at least one alkalizing agent is chosen from ammonia, alkanolamines, salts thereof, hydrates thereof, or mixtures thereof; and
the total amount of alkalizing agent(s) ranges from about 2% to about 12% by weight, relative to the total weight of the composition.

### Claim 15 (depends on 1)

The composition of claim 1, further comprising at least one thickening agent, wherein the total amount of thickening agent(s) ranges from about 0.05% to about 5% by weight, relative to the total weigh of the composition.

### Claim 16 (depends on 1)

The composition of claim 1, further comprising at least one polyol, wherein the total amount of polyol(s) is at least 0.5% by weight, relative to the total weight of the composition.

### Claim 17

A composition for altering the color of hair comprising:
(a) a bonding system comprising:
(i) at least one first bonding agent chosen from lactic acid and/or salts thereof, wherein the total amount of lactic acid and salts thereof ranges from about 0.1% to about 5%; and
(ii) at least one second bonding agent chosen from (a) glycine and/or salts thereof, and/or (b) arginine and/or salts thereof, wherein, if present, the total amount of glycine and salts thereof ranges from about 0.1% to 5%, and wherein, if present, the total amount of arginine and salts thereof ranges from about 0.1% to 7%;
(b) at least one fatty alcohol;
(c) at least one fatty acid;
(d) from about 0.05% to about 5% of at least one alkyl polyglucoside;
(e) at least one alkalizing agent;
(f) at least one hair color-altering agent chosen from oxidative dyes, couplers, or combinations thereof;
(g) at least one solvent comprising water;
(h) optionally, at least one vegetable oil;
(i) optionally, at least one thickening agent
(j) optionally, at least one polyol; and
wherein all amounts are by weight, relative to the total weight of the composition;
wherein the pH of the composition is greater than 7; and
wherein the composition is essentially free of cationic polymers.

### Claim 18

A method for altering the color of hair comprising:
applying to the hair a hair color-altering composition; and
rinsing the hair color-altering composition from the hair after a leave-in period;
wherein the hair color-altering composition comprises:
(a) a bonding system comprising:
(i) at least one first bonding agent chosen from lactic acid and/or salts thereof; and
(ii) at least one second bonding agent chosen from amino acids and/or salts thereof;
(b) at least one fatty alcohol;
(c) at least one fatty acid;
(d) at least one alkyl polyglucoside;
(e) at least one alkalizing agent; and
(f) at least one hair color-altering agent chosen from oxidative dyes, couplers, or combinations thereof;
(g) at least one oxidizing agent;
(h) at least one solvent comprising water;
(h) optionally, at least one vegetable oil;
(i) optionally, at least one thickening agent; and
(j) optionally, at least one polyol;
wherein the pH of the composition is greater than 7, and
wherein the composition is essentially free of cationic polymers.

### Claim 19 (depends on 16)

The composition of claim 16, wherein the at least one polyol is chosen from ethylene glycol, propylene glycol, butylene glycol, hexylene glycol, pentylene glycol, diethylene glycol, dipropylene glycol, 1,3 propanediol, glycerin, polyethylene glycols, or mixtures of two or more thereof.

### Claim 20 (depends on 1)

The composition of claim 1, wherein the at least one alkyl polyglucoside is chosen from cetearyl glucoside.
