Abstract: Disclosed herein is a composition for enhancing skin elasticity or improving skin wrinkles. In one aspect, 2-isopropylmalic acid or a salt, hydrate or solvate thereof, which is an active ingredient of the present disclosure, activates skin primary cilia and inhibits the expression of MMP-1 to enhance skin elasticity and improve skin wrinkles. In addition, in one aspect, 2-isopropylmalic acid or a salt, hydrate or solvate thereof, which is an active ingredient of the present disclosure, is a safe material and has the advantage that it can be treated in the living body in various forms such as cosmetics and food.