PROBLEM TO BE SOLVED: To provide a composition for hair, which urges early induction to the growth period in the hair cycle and has a prevention effect and an improvement effect to alopecia.SOLUTION: The growth period in the hair cycle can be guided at an early stage and a therapeutic effect for alopecia or the like can be obtained, by the composition for hair containing the metabolite of microorganisms as an active ingredient.COPYRIGHT: (C)2012,JPO&INPIT【課 題】毛周期のうち、成長期への早期誘導を促し、脱毛症に対する予防効果や改善効果を有する毛髪用組成物を提供する。【解決手段】微生物の代謝産物を有効成分とする毛髪用組成物によって、毛周期の成長期を早期に誘導でき、脱毛症などの治療効果を得る。【選択図】図1