A skin cleansing composition, comprising the following components (A) and (B):(A) from 0.1 to 30% by mass of an alkyl ether carboxylic acid or a salt thereof represented by the formula (1):wherein, R1 represents an alkyl group having 4 to 22 carbon atoms, n represents a number of from 0 to 20, and M represents a hydrogen atom, alkali metal, alkaline earth metal, ammonium, or organic ammonium,wherein, R1 has an average carbon number of from 10.8 to 12.8 and the average value of n is from 2.5 to 3.4,and wherein, the alkyl ether carboxylic acid or the salt thereof contains a component in which n = 0 in an amount of from 9.6 to 27% by mass, and a component in which n = 1 and a component in which n = 2 in a total amount of 20% by mass or more and less than 40% by mass, and(B) from 0.1 to 30% by mass of a potassium salt or an alkanolamine salt of a fatty acid represented by the formula (2):wherein, R2 represents an alkyl group or an alkenyl group having 9 to 22 carbon atoms, and Y represents potassium or alkanolamine. R1-O-(CH2CH2O)n-CH2-COOM (1) R2-COOY (2)