The present invention relates to a scalp condition improving and / or hair growth promoting composition containing soyasaponin or a derivative thereof, the composition has no side effects and high stability to the skin, and not only improves the scalp condition. The stem cells are activated to exhibit excellent hair growth promotion and / or hair loss prevention effects, and can be widely used as a skin external preparation, cosmetic composition or pharmaceutical composition for improving the scalp state or promoting hair growth and hair growth. [Selection] Figure 1本発明は、ソヤサポニンまたはその誘導体を含有する頭皮状態改善および／または育毛促進用組成物に関し、前記組成物は、副作用がなくて皮膚に対する安定性が高く、かつ、頭皮状態を改善させるだけではなく、幹細胞を活性化して優れた毛髪成長促進および／または抜け毛防止効果を奏し、頭皮状態改善または発毛および育毛促進用皮膚外用剤、化粧料組成物または薬学組成物として広く利用され得る。【選択図】図１
