PROBLEM TO BE SOLVED: To provide a hair colorant causing no allergy, having excellent safety so that white hair is colored without stains on the hair and the scalp when used, and allowing easy use method.SOLUTION: There is developed a hair colorant formulation: containing silver sulfate, acidic amino acid, basic amino acid, a polymer, and no oil content and having excellent hair coloring properties. Further, there is developed a hair colorant, where the formulation is filled into an aerosol to improve storage stability, and is discharged in a form of white mousse so that coloration is less visible and a user can easily use without stains.COPYRIGHT: (C)2015,JPO&INPIT【課題】アレルギーを起こさず、使用時に毛髪並びに頭皮を黒く汚さずに白髪を染毛する安全性に優れ、使用方法が簡単な染毛料を提供する。【解決手段】硫酸銀、酸性アミノ酸と塩基性アミノ酸ならびにポリマーを含有し、油分を含有しない染毛性の優れた、染毛料処方を開発する。更にその処方をエアーゾールに充填して保存安定性を高め、使用時に白色のムース状に吐出するため着色が目立たず使用者が簡便に汚れなく使用できる染毛料を開発した。
