PROBLEM TO BE SOLVED: To provide a novel component having an effect for enhancing a skin barrier function.SOLUTION: There is provided a skin barrier function enhancer which contains one or more kinds selected from Polygala senega and an extract thereof.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】皮膚バリア機能を増強する作用を有する新たな成分の提供。【解決手段】セネガ及びその抽出物から選ばれる1種以上を含有する、皮膚バリア機能増強剤。【選択図】なし