A cosmetic composition containing a component (A): a polyglycerol fatty acid ester, which is an ester of polyglycerol having an average degree of polymerization of 3 to less than 100 with a fatty acid having 6 to 30 carbon atoms; a component (B): water; and a component (C): at least one compound selected from the group consisting of ascorbic acid, ascorbic acid derivatives, trehalose, sucrose, citric acid and salts of citric acid, and a cosmetic containing the cosmetic composition.