An object of the present invention is to provide a composition for external use comprising a polyunsaturated fatty acid having higher stability over time. The present invention provides the following composition, in which the stability over time of a polyunsaturated fatty acid is high. A composition comprising a component (A) and a component (B) shown below, the component (B) being dispersed in a continuous phase that contains the component (A): (A) at least one member selected from the group consisting of tocopherol and phytic acid； and (B) liposomes containing a polyunsaturated fatty acid or a derivative thereof.本發明之課題在於提供一種更為提高多元不飽和脂肪酸之經時穩定性的外用組成物。藉由本發明係提供以下組成物。該組成物之多元不飽和脂肪酸的經時穩定性很高：一種組成物，包含有下述(A)成分及(B)成分，且係(B)成分分散於包含(A)成分的連續相中而成者。(A)至少一種選自於由生育酚(tocopherol)及植酸(phytic acid)所構成之群者；(B)包含多元不飽和脂肪酸或其衍生物之脂質體。
