PROBLEM TO BE SOLVED: To provide a skin-cleansing agent composition excellent in performance of removing sebum and makeup smear, and in stability without sticky and slimy feeling of skin after use.SOLUTION: The skin-cleansing agent composition includes the following constituents (A)-(C): a nonionic surface active agent (A) selected from the group consisting of a polyoxyethylene fatty acid ester obtained by ester-binding a 8-22C fatty acid with polyoxyethylene, and a polyoxyethylene fatty acid glycerol ester at least one copolymer (B) obtained by radical polymerization of specific three monomers of N, N-dimethylaminoethyl methacrylate diethylsulfate, N, N-dimethylacrylamide, and polyethylene glycol dimethacrylate and water (C), wherein the composition contains not less than 3.5 mass% and not greater than 10 mass% of the constituent (A), not less than 75 mass% and not greater than 96 mass% of the constituent (C), and the mass ratio ((B)/(A)) of the constituent (A) to the constituent (B) is not less than 0.01 and not greater than 0.05.COPYRIGHT: (C)2013,JPO&INPIT【課題】皮脂やメイク汚れの除去性能に優れ、使用後、肌のヌルツキ、べたつきが少なく、安定性に優れた皮膚洗浄剤組成物を提供する。【解決手段】次の成分(A)~(C):(A)炭素数8~22の脂肪酸とポリオキシエチレンがエステル結合したポリオキシエチレン脂肪酸エステル及びポリオキシエチレン脂肪酸グリセリンエステルから選ばれる非イオン性界面活性剤、(B)N,N-ジメチルアミノエチルメタクリレートジエチルサルフェイト/N,N-ジメチルアクリルアミド/ポリエチレングリコールジメタアクリレート共重合体のような特定の3種のモノマーを、ラジカル重合して得られる共重合体の少なくとも1種、(C)水を含有し、成分(A)を3.5質量%以上10質量%以下、成分(C)を75質量%以上96質量%以下含有し、成分(B)と成分(A)の質量比((B)/(A))が、0.01以上0.05以下である皮膚洗浄剤組成物。【選択図】なし
