PROBLEM TO BE SOLVED: To provide a viscous composition that has extremely high thickening effect even when only a small amount of the viscous composition is added, and cosmetics comprising the same.SOLUTION: The present invention provides a viscous composition comprising a specific alkyl modified carboxyl group-containing water-soluble polymer 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す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】特定のアルキル変性カルボキシル基含有水溶性重合体と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