The purpose of the present invention is to provide a skin-exterior anti-ageing composition for preventing or improving trouble areas upon the exterior of the skin caused by ageing and degradation such as wrinkles, fine lines, blotches, and sagging. Accordingly, provided is a skin-exterior anti-ageing composition in which an aqueous medium is used as a base, and one or more selected from among L-ascorbic acid, derivatives thereof, and salts of the L-ascorbic acid and the derivatives thereof is included as an active ingredient.