PROBLEM TO BE SOLVED: To provide a hair cosmetic which can cover hair surfaces with a melanin polymer in a single hair care behavior such as daily styling to eliminate troublesomeness related to an employment place or an employment method, can simply obscure gray hair, and can dye hair by several continuous employments.SOLUTION: This non-washout type hair cosmetic comprises (A) a melanin polymer prepared by polymerizing two or more compounds represented by formula (1) [the broken line shows the presence or absence of a &pi-bond R1 is OH or acetoxy R2 is H, -COOR (R is H, CH3 or C2H5) or -COO- X+ (X+ is a cation) R3 is H, acetyl, CH3 or C2H5], (B) a film-forming polymer, (C) an alkali agent, and (D) an antioxidant and has pH8 to 11.COPYRIGHT: (C)2008,JPO&INPIT【課題】日常のスタイリングなどの単回のヘアケア行動で、毛髪表面をメラニン重合物で覆うことで、使用場所や使用方法における煩わしさを無くし、簡単に白髪を目立たなくすることができ、数回の継続使用で髪を染めることができる毛髪化粧料の提供。【解決手段】(A) 式(1)で表される化合物の2種以上、(B) 造膜性ポリマー、(C) アルカリ剤、及び(D) 酸化防止剤を含有し、pHが8~11である洗い流さないタイプの毛髪化粧料。〔破線はπ結合の存在又は不存在、R1はOH又はアセトキシ基、R2はH、-COOR(RはH、CH3又はC2H5)又は-COO- X+(X+は陽イオン)、R3はH、アセチル基、CH3又はC2H5を示す〕【選択図】なし
