PROBLEM TO BE SOLVED: To provide a method of reducing the damage to the hair and the burden on the clients in terms of time and expense by making straightening and dyeing of frizzy hairs simultaneously.SOLUTION: The method of simultaneous straightening and dyeing of frizzy hairs comprises applying a reductant containing not less than 3% and not more than 10% of cysteamine hydrochloride or 1-thioglycerol to frizzy hairs, rinsing them, straightening the frizzy hairs with a frizzy hair straightening iron, oxidizing them with a mixture of the first agent of a hair color containing an oxidation dye and the second agent of the hair color containing hydrogen peroxide so that the frizzy hairs are straightened and dyed simultaneously. Preferably the hydrogen peroxide concentration in the mixture of the first agent of the hair color and the second agent of the other hair color is not less than 3% and not more than 6%.COPYRIGHT: (C)2013,JPO&INPIT【課題】縮毛矯正と染毛を同時に行い、毛髪のダメージ軽減と消費者の時間的、経済的負担を少なくする方法の提供。【解決手段】システアミン塩酸塩又は1-チオグリセロールを3%以上10%以下含有した還元剤を縮毛に塗布し、水洗し、縮毛矯正用ヘアーアイロンで毛髪を伸ばしたあと、酸化染料を含有する染毛剤の第一剤と過酸化水素を含有する染毛剤第二剤の混合物で酸化し、縮毛を直毛に矯正すると同時に染毛する縮毛矯正同時染毛方法。前記染毛剤第一剤と前記染毛剤第二剤の混合物中の過酸化水素濃度は、3%以上6%以下であることが好ましい。【選択図】なし
