To provide a novel hair cosmetic composition comprising natural ingredient-derived ingredients excellent in biological safety and formulated into cosmetics for hair (including quasi-drugs). SOLUTION: Hair cosmetic containing as an active ingredient inulin caffeic acid and its derivatives quinic acid a plant containing at least one or more of inulin, quinic acid, caffeic acid and derivatives thereof or an extract thereof. [Effect] The hair cosmetic has the XVII type collagen synthesis promoting action, and has an excellent hair growth / hair growth effect. Selection drawing None【課題】生体安全性にすぐれた天然物由来成分からなり、毛髪用の化粧料(医薬部外品も含む)に配合してなる新規な毛髪化粧料の提供。【解決手段】イヌリン;コーヒー酸及びその誘導体;キナ酸;イヌリン、キナ酸、コーヒー酸及びその誘導体のうちの少なくとも1つ以上を含む植物又はその抽出物を有効成分とする毛髪化粧料。【効果】前記毛髪粧料は、XVII型コラーゲン合成促進作用を有し、すぐれた育毛・養毛効果を有する。【選択図】なし