The present invention has an object to provide an external dermal composition for anti-ageing, which prevents or improves apparent skin problems such as wrinkles, fine wrinkles, blemishes, and saggings caused by increasing age or ageing； and maintains or improves the barrier function and the hyaluronic acid production in the skin. The object is solved by providing an external dermal composition for anti-ageing, which contains an aqueous medium as a base material and one or more ingredients selected from L-ascorbic acid, derivatives thereof, and their salts as an effective ingredient(s).本發明係以提供一種可用以預防或改善因年齡增長、老化導致的皺紋、細紋、斑、鬆弛等皮膚外觀上的困擾，同時可用於維持或亢進皮膚中的屏障機能及玻尿酸產生之抗老化用皮膚外用組成物作為課題，並藉由提供一種將水性介質作為基劑且含有由L-抗壞血酸、其衍生物及該等之鹽選出的1種或2種以上作為有效成分而成之抗老化用皮膚外用組成物來解決上述課題。
