| abstract |
[Object] To provide a hair dye that can be easily dyed without dyeing hands and skin, has high hair dyeing power equivalent to that of a conventional commercial product, and has excellent conditioning effect and can be easily dyed. [Constitution] (A) a direct dye, (B) the following general formula (1) R 1 O-OC (CH 2 ) n CO-OR 2 (1) (In the formula, R 1 and R 2 are each independently a linear or branched alkyl group, alkenyl group or aryl group having 1 to 8 carbon atoms, and n is an integer of 0 to 18.) A hair dye comprising a dibasic acid diester compound represented by the formula: |