PROBLEM TO BE SOLVED: To provide substances that can prevent or improve vitiligo and gray hair.SOLUTION: Provided is an agent for preventing or improving vitiligo containing chemical chaperone as an active ingredient.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】白斑や白髪を予防又は改善することができる物質の提供。【解決手段】ケミカルシャペロンを有効成分とする白斑の予防又は改善剤。【選択図】なし