The present invention provides a medicine for increasing hair, scalp or skin modification, wound healing, bone formation promotion, or hair modification comprising a therapeutically effective amount of a saturated fatty acid or a pharmaceutically acceptable salt thereof as an active ingredient. Composition and method.本發明係提供包含治療上有效量的飽和脂肪酸或其醫藥上可容許之鹽作為有效成分之使用於增加毛髮、頭皮或皮膚之改質、創傷治癒、骨形成促進,或毛髮之改質的醫藥組成物及方法。