PROBLEM TO BE SOLVED: To provide a viscous composition that has extremely high thickening effect even with a small amount of addition, and also has excellent salinity tolerance, and cosmetics comprising the same.SOLUTION: This invention provides a viscous composition comprising an alkyl-modified carboxyl group-containing water-soluble copolymer obtained by polymerization of 100 pts. mass of (meth) acrylic acid, 2-6 pts. mass of (meth) acrylic acid alkyl ester in which an alkyl group has 18-24 carbon atoms, and 0-0.1 pt. mass of a compound having two or more ethylenically unsaturated groups, and a urethane associated polyalkylene oxide modified product, and cosmetics comprising the same.COPYRIGHT: (C)2016,JPO&INPIT【課題】少量の添加でも極めて高い増粘効果を示し、耐塩性にも優れる粘性組成物、及びこれを含有してなる化粧料を提供すること。【解決手段】(メタ)アクリル酸100質量部と、アルキル基の炭素数が18~24である(メタ)アクリル酸アルキルエステル2~6質量部と、エチレン性不飽和基を2個以上有する化合物0~0.1質量部とを重合させて得られるアルキル変性カルボキシル基含有水溶性共重合体、及びウレタン会合型ポリアルキレンオキシド変成物を含有する粘性組成物、及びこれを含有してなる化粧料。【選択図】なし
