A hair treatment method having the following step (i) and step (ii) in the stated order. Step (i): A step for applying a composition including the following component (A) to hair. (A) A compound represented by general formula (1) or a salt thereof [in the formula, a broken line represents the presence or absence of a [pi] bond； R1 represents a hydroxyl group or an acetoxy group； R2 represents a hydrogen atom or -COOR (where R is a hydrogen atom, a methyl group, or an ethyl group)； and R3 represents a hydrogen atom, an acetyl group, a methyl group, or an ethyl group]. Step (ii): A step for imparting a shape to the hair at a temperature of less than 140 DEG C.一種毛髮處理方法，其依序包括下述步驟(i)及步驟(ii)。步驟(i)：對毛髮塗抹包含以下成分(A)之組合物之步驟(A)下述通式(1)所表示之化合物或其鹽[式中，虛線表示存在或不存在π鍵；R1表示羥基或乙醯氧基；R2表示氫原子或-COOR(R為氫原子、甲基或乙基)；R3表示氫原子、乙醯基、甲基或乙基]。步驟(ii)：於未達140℃之溫度下對毛髮賦予形狀之步驟
