PROBLEM TO BE SOLVED: To provide an effective skin external preparation that promotes the production of psoriasin, promotes skin cornification, and improves action against inflammatory diseases and antibacterial properties.SOLUTION: A psoriasin production promoter comprises one or more brown alga extract selected from Eisenia arborea Areschoug extract and bladderwrack extract as an active ingredient.SELECTED DRAWING: None【課題】ソラヤシンの産生を促進し、皮膚の角化を促進し、さらに炎症性疾患や抗菌性の向上する有効な皮膚外用剤の提供。【解決手段】サガラメの抽出物、ヒバマタの抽出物より選ばれる褐藻の１種又は２種以上の抽出物を有効成分とする、ソラヤシン産生促進剤。【選択図】なし
