This skin cleanser composition comprises 0.1-30 mass% of each of components (A) and (B), (A) being an alkyl ether carboxylic acid represented by general formula (1) or a salt thereof (in the formula, R1 represents a C4-22 alkyl group, n represents a number from 0-20, and M represents a hydrogen atom, an alkali metal, an alkaline earth metal, ammonium or organic ammonium), wherein the average number of carbon atoms in R1 is 10.8-12.8, the average value of n is 2.5-3.4, the inclusion amount of components in which n=0 is 9.6-27 mass%, and the combined inclusion amount of components in which n=1 and components in which n=2 is at least 20 mass% but less than 40 mass%, and (B) being a fatty acid potassium salt or alkanolamine salt represented by general formula (2) (in the formula, R2 represents a C9-22 alkyl group or alkenyl group and Y represents potassium or an alkanolamine).本發明為一種皮膚洗淨劑組成物,其含有下述成分(A)及(B):(A)由一般式(1)所示之烷基醚羧酸或其鹽0.1~30質量%,[化1]R1-O-(CH2CH2O)n-CH2-COOM (1)(式中,R1表示碳數4~22之烷基,n表示0~20之數,M表示氫原子、鹼金屬、鹼土金屬、銨或有機銨),R1之平均碳數為10.8~12.8,n之平均值為2.5~3.4,含有n=0之成分9.6~27質量%,n=1之成分與n=2之成分的合計含量為20質量%以上且未滿40質量%;(B)由一般式(2)所示之脂肪酸的鉀鹽或烷醇胺鹽0.1~30質量%[化2]R2-COOY (2)(式中,R2表示碳數9~22之烷基或烯基,Y表示鉀或烷醇胺)。
