Abstract: The present invention provides a cleanser composition which is free from any thickener, contains surfactant(s) at such a concentration as not to irritate the skin or mucosa, can impart an appropriate consistency to the cleanser, exhibits excellent foaming, can be easily taken out from a container in use and gives a good feel in use.The cleanser composition comprises the following components (A), (B) and (C):(A) an alkali metal salt of a secondary amide-type N-acylamino acid represented by formula (1):R.sup.1 CONH(CH.sub.2).sub.n COOH (1)wherein R.sup.1 CO represents a linear acyl group having 10 to 16 carbon atoms; and n is a number of 1 or 2;(B) an alkali metal salt of a higher fatty acid; and(C) an amphoteric surfactant; and the mixing ratio by weight of (A+B)/C ranges from 2.5/1 to 1/2.