PROBLEM TO BE SOLVED: To provide a ceramide production promoter and a humectant.SOLUTION: A ceramide production promoter and a humectant contain extracts of at least one plant selected from the group consisting of Gentiana macrophylla Pall., Lophatherum gracile Brongn, Phyllostachys nigra (Loddiges) Munro var. henonis (Bean) Stapf, Achyranthes bidentata Blume, and Ammi visnaga as an active ingredient.COPYRIGHT: (C)2014,JPO&INPIT【課題】セラミド産生促進剤及び保湿剤を提供する。【解決手段】ジンギョウ(GentianamacrophyllaPall.)、タンチクヨウ(LophatherumgracileBrongn)、チクジョ(Phyllostachysnigra (Loddiges) Munrovar.henonis (Bean) Stapf)、ゴシツ(AchyranthesbidentataBlume)、及びアンミ(Ammivisnaga)からなる群より選ばれる少なくとも1種の植物の抽出物を有効成分として含有するセラミド産生促進剤及び保湿剤。【選択図】なし