A cosmetic-use polymer having a weight average molecular weight of 5.0·103-1.0·107 and comprising a repeating unit having at least the guanidino group denoted by general formula (I) below
(where, in the formula, R1 denotes a hydrogen atom or hydrocarbon group, R2 denotes a hydrogen atom or methyl group, X denotes a bivalent connecting group, m denotes 0 or 1, and the guanidino group in the formula is optionally a salt to which an acid has been added) was disclosed.
一种化妆品用聚合物,其重量平均分子量为 5.0-103-1.0-107,由至少具有以下通式 (I) 所表示的
胍基的重复单元组成
(式中,R1 表示氢原子或烃基,R2 表示氢原子或甲基,X 表示二价连接基团,m 表示 0 或 1,式中的
胍基可选择为添加了酸的盐)。