PROBLEM TO BE SOLVED: To provide a hair treatment agent which has a good hair shape transformation efficiency while reducing hair damages in permanent wave processes.SOLUTION: The hair treatment agent uses as a pretreating agent for permanent waves or a first agent for permanent waves, in which glycerol derivative (I) expressed by the following general formula (I), or polyoxypropylene alkyl ether (II) expressed by the following general formula (II) is compounded in the total amount of 4.0 mass% or less. Gly-[O{(PO)x(EO)y}-(BO)zH]3 (I) [Gly expresses Glycerin residue excluding a hydroxyl group, PO expresses an oxypropylene group, EO expresses an oxyethylene group, BO expresses an oxy butylene group, x is 3 or more to 7 or less, y is 5 or more to 10 or less, and z is 1 or more to 5 or less.] [n expresses 13 or more to 20 or less, and m expresses that the average addition number of moles is 10 or more to 20 or less.]COPYRIGHT: (C)2014,JPO&INPIT【課題】パーマ処理における毛髪損傷を低減しつつ、毛髪形状の変形効率を良好とする毛髪処理剤の提供。【解決手段】下記一般式(I)で表されるグリセリン誘導体(I)又は下記一般式(II)で表されるポリオキシプロピレンアルキルエーテル(II)が総量で4.0質量%以下配合され、パーマ用前処理剤又はパーマ用第1剤として用いられる毛髪処理剤。Gly-[O{(PO)x(EO)y}-(BO)zH]3 (I)[Glyは水酸基を除いたグリセリン残基、POはオキシプロピレン基、EOはオキシエチレン基、BOはオキシブチレン基を表し、xは3以上7以下、yは5以上10以下、zは1以上5以下である。][nは13以上20以下、mは平均付加モル数が10以上20以下であることを表す。]【選択図】なし
