The present disclosure relates to a composition for promoting adipocyte differentiation or adiponectin production, including a trimethoxy phenyl compound, an isomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof as an effective ingredient. A composition according to the present specification promotes adipocyte differentiation or adiponectin production, thereby exhibiting the effect of making the skin plump or increasing skin elasticity. Hence, the composition of the present specification can find various applications as a pharmaceutical composition or cosmetic composition in the field such as that concerning skin damage.
