Hair-dye composition
AssigneeKao Corporation
InventorMasayoshi Nojiri
Life of this patent
Estimating the term…
Abstract
A hair dye composition comprising the following components (A) and (B), in which the mass ratio of the component (B) to the component (A), (B)/(A), in a whole composition is 1 or more and 100 or less and the pH (25° C.) during application is 7.5 to 12: (A): one or more azo dyes selected from the group consisting of the following (A-1), (A-2) and (A-3) (B): 2-amino-2-methylpropanol.
Claims17
A hair dye composition comprising the following components (A) and (B), wherein a mass ratio of a component (B) to a component (A), (B)/(A), in a whole composition is 1 or more and 100 or less and pH (25° C.) during application is 7.5 to 12:
- (A):
- one or more azo dyes selected from the group consisting of the following (A-1), (A-2) and (A-3):
- (B):
- 2-amino-2-methylpropanol.
A hair dye composition comprising the following components (A) and (B), wherein a mass ratio of a component (B) to a component (A), (B)/(A), in a whole composition is 5 or more and 100 or less and pH (25° C.) during application is 7.5 to 12:
- (A):
- one or more azo dyes selected from the group consisting of the following (A-1), (A-2) and (A-3):
- (B):
- 2-amino-2-methylpropanol.
Dependencies are inferred from the claim text.