PROBLEM TO BE SOLVED: To provide a detergent composition excellent in foamability or foam quality when used as a toilet soap or a body soap, good in stop feeling property during rinsing and having no residual feeling.SOLUTION: There is provided a detergent composition containing components (A), (B) and (C). 0.02 to 10 mass% of (A) a polymer containing 85 to 100 mass% of a1: a constitutional unit represented by the formula (1) and a2: (meth)acrylic alkyl ester constitutional unit. 1 to 30 mass% of a non-ionic surfactant having HLB 11 or more. (C) water. (1), Rand Rare same or different and a C1 to 4 alkyl group which may contain a hydroxyl group or H and Ris H or a methyl group.【課題】化粧石鹸や、ボディソープとして用いた時に起泡性や泡質に優れ、すすぎ時のストップフィーリング性が良好で、残留感がない洗浄剤組成物の提供。【解決手段】成分(A)、(B)及び(C)を含有する洗浄剤組成物。(A)a1:式(1)で表される構成単位とa2:(メタ)アクリル酸アルキルエステルを構成単位とを、85~100質量%含むポリマーを0.02~10質量%、(B)HLB11以上の非イオン界面活性剤を1~30質量%、(C)水(R1及びR2は同一又は異なって、水酸基を含んでも良いC1~4のアルキル基又はHを;R3はH又はメチル基)【選択図】なし