Type I collagen and / or elastin production-enhancing composition

By providing a composition for promoting the production of type I collagen and / or elastin in human skin fibroblasts, enhance the firmness and elasticity of the skin, prevent wrinkles or sagging, anti, sufficiently effective in improving and an object to provide a safety is high skin anti-aging composition for the skin. The present invention is, silybin, silidianin, silichristin, containing silymarin is a general term for flavonolignan such isosilybin, composition characterized in that it has a type I collagen enhancing and / or elastin production-enhancing effect, the composition silymarin included are from silymarin-containing plant and / or plant extracts, a composition characterized by having a type I collagen enhancing and / or elastin production-enhancing effects.