The present invention provides a skin cosmetic composition including a component (A) which is either one or both of hexyl glyceryl ether and cyclohexyl glyceryl ether, a component (B) which is either one or both of 1,2-propanediol and 1,3-propanediol, and a component (C) such as citric acid, an antibacterial agent including components (A), (B) and (C) and a method for enhancing an antibacterial effect of the component (A).
