PROBLEM TO BE SOLVED: To provide a hair dyeing method with a three agent type hair dye, which effectively dyes the hair and dyes the hair in a light brightness.SOLUTION: The hair dyeing method with a three agent type hair dye includes using a first agent that contains (A) a required concentration of a basic dye and/or HC dye, contains or does not contain (B) a required concentration of benzyl alcohol and has a pH of 4.0-7.0, a second agent that contains or does not contain (C) a required concentration of benzyl alcohol, contains (D) a required concentration of a reducing agent and has a pH of 7.5-9.0 and a third agent that contains (E) 1.0-7.0 mass% of an oxidizing agent, and carrying out (1) a step for mixing the first agent with the second agent and coating the hair with the mixture, (2) a step for heating it at 40-60°C and allowing to stand and performing washing with water, (3) a step for coating the hair with the third agent, allowing to stand at room temperature and performing washing with water and (4) a step for washing the hair with a shampoo agent, performing a hair treatment and then finishing.COPYRIGHT: (C)2012,JPO&INPIT【課題】 本発明は、効果的に毛髪へ染着することが出来、又、明るい明度に塗着することが出来る、3剤式染毛料による染毛方法を提供する。【課題手段】第1剤は(A)所要濃度の塩基性染料および/又はHC染料を含有し、(B)所要濃度のベンジルアルコ-ルを含有し又は含有せず、pH4.0~7.0、第2剤は(C)所要濃度のベンジルアルコ-ルを含有し又は含有せず、(D)所要濃度の還元剤を含有し、pH7.5~9.0、第3剤は(E)酸化剤を1.0~7.0質量%含有する3剤式染毛料を用い、(1)第1剤と第2剤を混合して頭髪に塗布する工程と、(2)40℃~60℃に加温放置した後、水洗を行う工程と、(3)第3剤を頭髪に塗布して室温に放置した後、水洗を行う工程と、(4)シャンプ-剤で洗浄し、ヘアトリ-トメント処理を行った後、仕上げる工程とを含む、3剤式染毛料による染毛方法である。【選択図】なし
