| abstract |
The hair dye composition of the present invention contains the following components (A) and (B), and the mass ratio (B)/(A) of the component (B) to the component (A) in the total composition is 1 or more and 100 Below, the pH value (25℃) during use is 7.5~12.nn n n (A): One or two or more azo dyes selected from the group consisting of (A-1), (A-2) and (A-3) below n n n (B): At least one selected from the group consisting of guanidine carbonate, guanidine bicarbonate, sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, and lithium carbonate |