HAIR DYEING AGENT COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide the subject composition extremely high in the ability to dye the hair, slight in color fading with the lapse of days and also slight in color tone change of the agent even after preserved. SOLUTION: This hair dyeing agent composition contains a direct dye of formula (1) or (2) [R1, R2 and R3 are each a 1-3C alkyl; and benzene rings A and B may each have non-dissociable substituent(s)].