It is intended to provide a composition which contains, as the active ingredient, nemagaritake (Sasa kurilensis (Rupr) Makino) and has a moisturizing, cell stimulating, whitening or antioxidant effect. By adding it to compositions such as a skin preparation for external use, a food or a drink, it is possible to obtain various compositions exerting excellent effects of preventing or ameliorating skin conditions such as wrinkles, skin fitness, spots, dullness and so on.
