| abstract |
(57) [Summary] (with correction) [Problem] To provide an acidic hair coloring material which has low dyeing property on skin at the time of hair dyeing and has good hair dyeing property on hair. SOLUTION: (A) a hair dyeing aid which is at least one or more selected from aromatic alcohols and n-butanol represented by the following general formula (1); (B) an acid dye; (C) An acidic hair dye for wet hair, comprising water and having a pH of 2.0 to 4.5. (Wherein, R 1 represents a hydrogen atom, a methyl group or a methoxy group, X represents a single bond or a linear or branched alkylene group or alkenylene group having 1 to 3 carbon atoms, and Y represents a hydrogen atom or a hydroxyl group. And m and n are each an integer of 0 to 5.) |