PROBLEM TO BE SOLVED: To provide a skin detergent composition which is superior in foam quality and foam volume, can reduce slimy feeling in rinsing, can impart a squeaky feeling similar to that of soap and can provide washed skin with pleasant feeling.SOLUTION: The skin detergent composition comprises: (A) either (a1) an alkenylsulfonic acid having 12 to 22 carbon atoms or its salt, (a2) an alkylsulfonic acid having 12 to 22 carbon atoms or its salt, or a mixture of them; (B) an alkyl ether carboxylic acid represented by the general formula (1) or its salt (in the formula, Rrepresents an alkyl group having 4 to 22 carbon atoms; n denotes a number from 0 to 20; X represents a hydrogen atom; an alkali metal, an alkali earth metal, ammonium, or organic ammonium; and n denotes a number of 0.5 or more and less than 4 on average); and (C) water.【課題】泡質、泡量に優れ、すすぎ時にぬるつきが少なく、石鹸に似たきしみ感を付与でき、洗い上がりの肌に良好な感触を付与できる皮膚洗浄剤組成物を提供する。【解決手段】(A)(a1)炭素数12~22のアルケニルスルホン酸若しくはその塩、又は、(a2)炭素数12~22のアルキルスルホン酸若しくはその塩、又は、これらの混合物、(B)一般式(1)(式中、R1は炭素数4~22のアルキル基を示し、nは0~20の数を示し、Xは、水素原子、アルカリ金属、アルカリ土類金属、アンモニウム又は有機アンモニウムを示し、nは平均で0.5以上4未満の数を示す)で表されるアルキルエーテルカルボン酸又はその塩、(C)水を含有する皮膚洗浄剤組成物。【選択図】なし