PROBLEM TO BE SOLVED: To provide a material capable of improving skin humectant properties at a low cost and with safety.SOLUTION: The skin humectant includes Mentha arvensis or an extract thereof as an active ingredient.COPYRIGHT: (C)2013,JPO&INPIT【課題】安価且つ安全に皮膚保湿能を改善することができる素材の提供。【解決手段】ハッカ又はその抽出物を有効成分とする皮膚保湿剤。【選択図】なし