The purpose of the present invention is increasing the moisture retaining property of a cosmetic containing poly methacrylic acid methoxypolyethylene glycol, and provides a cosmetic containing (A) polymethacrylic acid methoxypolyethylene glycol and (B) polyoxyethylene methyl glycoside.本發明的課題是提高含有聚(甲氧基聚乙二醇甲基丙烯酸酯)的化妝品的保濕性,提供含有聚(甲氧基聚乙二醇甲基丙烯酸酯)(A)和聚氧伸乙基甲基葡萄糖苷(B)的化妝品。該代表圖無元件符號及其所代表之意義。