This Hair bright As mono- Seed maos of Hair Office reasons Elixirs , Department, which contain (a), with general formula (1) to be indicated You Machine acid, is indicated You Machine sour or its Deng Which with general formula (2) and (b) 4 Grade An Which, 3 Grade amine Huo Qi Which(1)(2)[in formula, the alkyl, Hydroxyalkyl alkyl or-R8-COOH of R1 and R2 As carbon Number 1 ~ 5R3, R4 and R8 As carbon Numbers 1 ~ 5 stretches alkylThe alkyl, Hydroxyalkyl alkyl or-R9-COOH of R5 As carbon Number 1 ~ 5R6, R7 and R9 As carbon Numbers 1 ~ 5 stretches alkyl. ]本發明為一種毛髮處理劑,係含有(a)以通式(1)表示之有機酸、以通式(2)表示之有機酸或其等之鹽、及(b)4級銨鹽、3級胺或其鹽;(1)(2)[式中,R1及R2為碳數1~5之烷基、羥烷基或-R8-COOH;R3、R4及R8為碳數1~5之伸烷基;R5為碳數1~5之烷基、羥烷基或-R9-COOH;R6、R7及R9為碳數1~5之伸烷基。]