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, and can simply obscure gray hair.SOLUTION: This non-washout type hair cosmetic comprises (A) a melanin polymer having a mol. wt. of &ge1,000 and 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], and (B) a film-forming polymer.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種以上を重合させた分子量1000以上のメラニン、及び(B) 造膜性ポリマーを含有す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