PROBLEM TO BE SOLVED: To provide a use of lignan compounds that are isolated and purified from nutmeg or the aril of nutmeg, for improving wrinkles.SOLUTION: The present invention relates to a composition for improving skin wrinkles that contains macelignan, represented by the following formula, as an active component, a collagen synthesis inducer, and a collagen decomposition inhibitor. The composition may be a cosmetic composition or a food composition.SELECTED DRAWING: None【課題】肉荳蒄又は肉荳蒄仮種皮から分離、精製されたリグナン系化合物の皺改善用途の提供。【解決手段】下記式で表されるメースリグナンを有効成分として含有する皮膚皺改善用組成物、コラーゲン合成誘導剤、コラーゲン分解抑制剤。該組成物は、化粧料組成物又は食品組成物でもあり得る。【選択図】なし