PROBLEM TO BE SOLVED: To provide an antimicrobial peptide expression promoter derived from human skin.SOLUTION: An antimicrobial peptide expression promoter derived from human skin contains Butcher's broom extract as an active ingredient.SELECTED DRAWING: None【課題】ヒト皮膚由来の抗菌ペプチド発現促進剤を提供する。【解決手段】ブッチャーブルーム抽出物を有効成分とするヒト皮膚由来の抗菌ペプチド発現促進剤。【選択図】なし