To provide a skin external preparation that is excellent in efficacy and quality stability as well as biological safety and has a body hair growth inhibitory effect.SOLUTION: The present invention provides a skin external preparation for inhibiting body hair growth that contains a fermentation product of a plant of Malvaceae, Hibiscus as an active ingredient. Such a skin external preparation is excellent in biological safety and has a body hair growth inhibitory effect. Microorganisms used for fermentation include lactic acid bacteria, yeast, koji mold, or Bacillus subtilis.SELECTED DRAWING: None【課題】有効性と品質安定性、さらには生体安全性にすぐれた体毛成長抑制効果を有する皮膚外用剤を提供すること。【解決手段】アオイ科（Malvaceae）フヨウ属（Hibiscus）に属する植物の発酵物を有効成分とする体毛成長抑制用の皮膚外用剤。生体安全性にすぐれ、かつ、すぐれた体毛成長抑制効果を有する皮膚外用剤を提供することができる。発酵に用いる微生物としては、乳酸菌、酵母、麹菌又は枯草菌等が挙げられる。【選択図】なし
