PROBLEM TO BE SOLVED: To provide a hair treatment method capable of relaxing curly hair, aligning hair flow of relaxed curly hairs, achieving excellent hair setting properties, maintaining a hair shape after hair treatment even after repeated shampoo, making hairs in wet time soft, applying natural lightness to hairs and preventing hair from being easily entangled after drying, and enhancing shape formation properties to hair after drying.SOLUTION: There is provided a hair treatment method comprising following steps (i)-(iii): (i) a step for applying a first composition including a component (A) to hair, in which the (A) is an aromatic compound whose molecular weight is 350 or lower and having 1 or more and 4 or less of phenolic hydroxyl groups or a salt thereof (ii) a step for, after the step (i), leaving hair for 15 seconds or more and 60 minutes or less, at 15°C or more and 100°C or less and (iii) a step for, after teh step (ii), applying a second composition including a component (B) to hair, in which the (B) is an aromatic sulfonic acid whose molecular weight is 300 or lower or a salt thereof.SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】縮れ毛を緩和することができ、緩和した縮れ毛の毛流れが揃い、まとまりがよく、繰り返しシャンプーをしても毛髪処理後の毛髪形状をほぼ維持することができ、また、湿潤時の毛髪を柔らかくし、乾燥後の毛髪に自然な軽さと絡まりにくさを付与し、更には乾燥後の毛髪に対する形付け性を高めることができる毛髪処理方法の提供。【解決手段】以下の工程(i)~(iii)を含む毛髪処理方法。工程(i):成分(A)を含有する第一の組成物を毛髪に適用する工程 (A) 分子量が350以下であり、かつフェノール性水酸基を1以上4以下有する芳香族化合物又はその塩工程(ii):工程(i)の後、毛髪を15℃以上100℃以下で15秒以上60分以下放置する工程工程(iii):工程(ii)の後、成分(B)を含有する第二の組成物を毛髪に適用する工程 (B) 分子量が300以下の芳香族スルホン酸又はその塩【選択図】なし
