PROBLEM TO BE SOLVED: To provide a skin detergent composition which is excellent in compatibility with water, foaming, foam volume, and foam quality, has a good rinse property, and does not make the skin tight but smooth after washing.SOLUTION: The invention provides a skin detergent composition containing the following components (A), (B), and (C): (A) alkyl ether carboxylic acid of general formula (1) (where, Ris an alkyl group of carbon number 4-22, n is an addition mole number of ethylene oxide of 0-20, M represents a hydrogen atom, an alkali metal, etc.), wherein the average carbon number of Ris 10.8-12.8, 81.6-87.5 mass% of the component of carbon number 12 of Ris contained, 10.5-14.6 mass% of the component of carbon number 14 of Ris contained, the mass ratio of the component of carbon number 12 of Rto the component of carbon number 14 of R(the component of carbon number 12 of R/the component of carbon number 14 of R) is 5.5-7.5 (B) a polymer constituted using (meth)acrylic acid as a monomer, and not having a cation unit and (C) a cationic polymer.