The present invention relates to a composition for improving skin wrinkles containing at least one compound selected from alpha-mangosteen, beta-mangosteen, gamma-mangosteen and gartanin compounds as an active ingredient, Stain, beta-mangosteen, gamma-mangosteen and gartanin compounds inhibit cell damage by ultraviolet irradiation, significantly inhibit the expression of MMP-1 and MMP-9, and promote skin moisturization Which is an increase in the expression levels of involucrin, filaggrin and loricrin. Therefore, the composition of the present invention can be used as a cosmetic composition for improving skin wrinkles or skin moisturizing, a pharmaceutical composition for preventing or treating wrinkles of skin, or a health functional food composition for improving skin wrinkles or anti-aging.;
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