To provide a pharmaceutical composition to be used for increasing hair, modifying scalp or skin, healing wounds, promoting osteogenesis, or modifying hair and a method therefor.SOLUTION: The present invention provides a pharmaceutical composition that includes, as an active ingredient, a therapeutically effective amount of a saturated fatty acid or a pharmaceutically acceptable salt thereof.SELECTED DRAWING: None【課題】増毛、頭皮若しくは皮膚の改質、創傷治癒、骨形成の促進、または毛髪の改質に用いられるための医薬組成物および方法を提供する。【解決手段】治療上有効量の飽和脂肪酸またはその医薬上許容可能な塩を有効成分として含む医薬組成物。【選択図】なし