PROBLEM TO BE SOLVED: To provide a novel and effective preadipocyte differentiation-promoting agent which can be supplied stably, and to provide various compositions (skin cosmetics, hair cosmetics, food and drink compositions, and pharmaceutical compositions) which contain the preadipocyte differentiation-promoting agent.SOLUTION: We found that fermented soybean milk liquid and chlorella extract have excellent preadipocyte differentiation-promoting effects, and provide a preadipocyte differentiation-promoting agent and further various compositions (skin cosmetics, hair cosmetics, food and drink compositions, and pharmaceutical compositions) which contain the preadipocyte differentiation-promoting agent.EFFECT: The various compositions are useful for the prevention or improvement of skin conditions caused by aging such as wrinkles and sagging, the improvement of skin elasticity, breast enhancement, the prevention of hair loss caused by follicular regeneration, the improvement of hair conditions such as promoting hair restoring action and hair growing action, or the prevention or improvement of lifestyle diseases such as obesity, hypertension, hyperlipidemia, arteriosclerosis, and diabetes.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】安定的に供給でき、新規で効果に優れた前駆脂肪細胞分化促進剤、又は、前駆脂肪細胞分化促進剤を含有してなる各種組成物(皮膚化粧料、頭髪化粧料、飲食品組成物、医薬品組成物)の提供。【解決手段】豆乳醗酵液、クロレラ抽出物に優れた前駆脂肪細胞分化促進作用を有することを見い出し、前駆脂肪細胞分化促進剤、更に前駆脂肪細胞分化促進剤を含有してなる各種組成物(皮膚化粧料、頭髪化粧料、飲食品組成物、医薬品組成物)。【効果】各種組成物は、加齢に伴って生じるしわ、たるみ等の皮膚状態を予防又は改善、肌の張りの改善やバストアップ、毛包の再生に伴って生じる脱毛の防止、育毛作用、養毛作用を促す等の頭髪状態の改善、又は、肥満や高血圧、高脂血症、動脈硬化症、糖尿病等の生活習慣病等の予防又は改善に役立つものである。【選択図】なし