This skin cleanser composition comprises: an alkyl ether carboxylic acid represented by general formula (1) or a salt thereof and whereby the average number of carbon atoms in R1 is 10.8-12.8, the average value of n is 2.5-3.4, the content of components for which n=0 comprise 9.9-27 mass% and the combined total content of components for which n=1 and components for which n=2 is less than 40 mass% and an alkyl sulfate or a polyoxyethylene alkyl sulfate represented by general formula (2). In general formula (1), R1 represents a C8-18 alkyl group and n represents a number from 0-20, and M represents a hydrogen atom, an alkali metal, an alkaline earth metal and ammonium or organic ammonium. In general formula (2), R2 represents a C8-22 alkyl group or alkenyl group and m represents a number from 0-20, the average of m is less than 2, and Y represents a hydrogen atom, or a cation selected from an alkali metal, an alkaline earth metal, ammonium, alkyl ammonium, alkanol ammonium and glucammonium. (1) R1-O- (CH2CH2O) n-CH2-COOM (2) R2-O- (CH2CH2O) m-SO3Y
