PROBLEM TO BE SOLVED: To provide a new application of α-lipoic acid.SOLUTION: This invention relates to a β-glucocerebrosidase activity enhancer containing α-lipoic acid as an active ingredient, a ceramide production enhancer, and a skin barrier function improving agent.COPYRIGHT: (C)2014,JPO&INPIT【課題】α-リポ酸の新たな用途を提供する。【解決手段】α-リポ酸を有効成分として含有するβ-グルコセレブロシダーゼ活性増強剤、セラミド産生増強剤及び皮膚バリア機能改善剤。【選択図】なし