PROBLEM TO BE SOLVED: To provide a new dermatitis therapeutic agent and a skin pruritus therapeutic agent.SOLUTION: The dermatitis therapeutic agent contains licochalcone A as an active constituent and the skin pruritus therapeutic agent contains licochalcone A as an active constituent.COPYRIGHT: (C)2013,JPO&INPIT【課題】新規な皮膚炎治療剤及び皮膚掻痒治療剤の提供。【解決手段】リコカルコンA(Licochalcone A)を有効成分とする皮膚炎治療剤;リコカルコンA(Licochalcone A)を有効成分とする皮膚掻痒治療剤。【選択図】なし