PROBLEM TO BE SOLVED: To provide a cosmetic composition and a hair wash that have excellent pyrithione metal salt persistence after washing produced by a cleansing preparation that contains surfactants, etc.SOLUTION: The present invention relates to: the cosmetic composition which contains a polymer having an amide group consisting of a specified amount of hydroxy group and/or a nonionic substituted group and a specified amount of a cationic group (hereinafter may be called a functional group), and a pyrithione metal salt the cosmetic composition which contains a copolymer having a structural unit corresponding to a cationic vinyl monomer of a specific structure and a structural unit corresponding to a nonionic vinyl monomer of a specific structure, and a pyrithione metal salt and the hair wash composed by using them.COPYRIGHT: (C)2010,JPO&INPIT【課題】界面活性剤などを含む洗浄料による洗浄後の金属のピリチオン塩の残留性に優れる化粧料用組成物および毛髪洗浄料を提供する。【解決手段】特定量のヒドロキシル基及び/又はノニオン性置換基のみを有するアミド基と、特定量のカチオン性基(以下これらを官能基と称することがある)とを有する重合体と、金属のピリチオン塩とを含有する化粧料用組成物、および特定構造のカチオン性ビニル系単量体に相当する構成単位と、特定構造のノニオン性ビニル系単量体に相当する構成単位とを含む共重合体と、金属のピリチオン塩とを含有する化粧料用組成物、並びにそれらを用いてなる毛髪化粧料。【選択図】なし
