| abstract |
(57) [Problem] To provide a hair dye composition excellent in hair dyeing power and color durability. SOLUTION: It contains (A) levulinic acid, (B) one or more kinds selected from lactic acid, glycolic acid, pyrrolidone carboxylic acid and salts thereof, and (C) a direct dye, and has a buffer capacity of 0.1%. A hair dye composition characterized in that the amount is from 005 to 0.1 gram equivalent / l. |