Hair colorant compositions comprising 3-amino-2,6-dimethylphenol and 4-aminophenol-type developers, methods, and kits comprising the compositions
AssigneeThe Procter & Gamble Company
InventorsRichard Matthew Charles Sutton, Bryan Patrick Murphy, Margaret Ann Popp, Stephen Robert Schofield
Life of this patent
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Abstract
A hair colorant composition comprises 3-amino-2,6-dimethylphenol in combination with a second dye coupler selected from the group consisting of 2,6-dihydroxyethylaminotoluene, 2,6-diaminopyridine and a developer selected from the group consisting of 4-aminophenol, 4-amino-3-methylphenol, 4-(methylamino)phenol. A kit for coloring hair comprises the hair colorant composition. A method of treating hair comprises applying the hair colorant composition to hair.
Claims16
A hair colorant composition comprising:
- (a) a first dye coupler consisting of 3-amino-2,6-dimethylphenol;
- (b) a second dye coupler selected from the group consisting of 2,6-dihydroxyethylaminotoluene, 2,6-diaminopyridine, cosmetically acceptable salts of any of these, and mixtures of at least two of these;
- (c) a developer selected from the group consisting of 4-aminophenol, 4-amino-3-methylphenol, 4-(methylamino)phenol, cosmetically acceptable salts of any of these, and mixtures of at least two of these;
- and
- (d) an oxidizing agent.
A method of treating hair, said method comprising:
- (i) providing a tint composition comprising:
- (a) a first dye coupler consisting of 3-amino-2,6-dimethylphenol;
- (b) a second dye coupler selected from the group consisting of 2,6-dihydroxyethylaminotoluene and 2,6-diaminopyridine, cosmetically acceptable salts of any of these, and mixtures of at least two of these;
- and
- (c) a developer selected from the group consisting of 4-aminophenol, 4-amino-3-methylphenol, 4-(methylamino)phenol, cosmetically acceptable salts of any of these, and mixtures of at least two of these;
- (ii) adding to said tint composition an oxidizing composition comprising an oxidizing agent to form a haircoloring composition;
- (iii) contacting said hair with said haircoloring composition.
A haircoloring kit comprising:
- (i) an individually packaged oxidizing composition comprising an oxidizing agent;
- (ii) an individually packaged tint composition comprising:
- (a) a first dye coupler consisting of 3-amino-2,6-dimethylphenol;
- (b) a second dye coupler selected from the group consisting of 2,6-dihydroxyethylaminotoluene and 2,6-diaminopyridine, cosmetically acceptable salts of any of these, and mixtures of at least two of these;
- and
- (c) a developer selected from the group consisting of 4-aminophenol, 4-amino-3-methylphenol, 4-(methylamino)phenol, cosmetically acceptable salts of any of these, and mixtures of at least two of these.
Dependencies are inferred from the claim text.