PROBLEM TO BE SOLVED: To provide a skin condition-improving composition for topical application to the skin surface aiming at improvement of skin conditions such as a treatment of acne, improvement of wrinkle, removal of dark spots, improvement of skin elasticity, promotion of hair growth, prevention of skin aging, improvement of moisture-retaining property of skin or promotion of dermal stem cell proliferation, and to provide a method for improving skin conditions and the like.SOLUTION: The invention provides a skin condition-improving composition for topical application to the skin surface containing human growth hormone as an active ingredient. And the invention provides a skin condition improvement method comprising a step which topically applies a composition containing human growth hormone as an active ingredient to the skin.