Patent ID: 11857660
Assignee: L'OREAL
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 9:
10. A method for altering the tone or color of the hair, comprising:
mixing (i) a hair color toning composition comprising:
(a) at least one amino acid,
(b) at least one carboxylic acid,
(c) monoethanolamine,
(d) a surfactant mixture comprising (i) at least one amphoteric surfactant and (ii) at least one surfactant chosen from anionic and non-ionic surfactants,
(e) at least one fatty compound,
(f) at least one hair coloring agent selected from oxidative dyes, direct dyes, or combinations thereof, and
(g) at least one solvent,
wherein the hair color toning composition has a pH ranging from about 7 to about 10.4,

with (ii) an oxidizing composition comprising at least one oxidizing agent, and applying the mixture to the hair,
wherein the mixture has a pH ranging from about 6.0 to about 6.8,
wherein the total amount of amphoteric surfactants ranges from about 0.1% to about 10%, and
wherein the composition is substantially free of ammonia.