PROBLEM TO BE SOLVED: To obtain a hair cosmetic that protects the hair from physical irritation immediately after treatment, imparts high smoothness, gloss, finger-passing properties and setting properties and has no creaky feeling, no heavy finger-passing properties and no greasiness.SOLUTION: The hair cosmetic comprises (A) a diol derivative represented by formula (1) [R1 and R2 are each H, a 1-3C alkyl group or the like X1 and X2 are each a 7-13C acyl group or the like n and m are each 1-3], (B) a dimethylpolysiloxane having 3,000-10,000 mm2/s viscosity, (C) an organopolysiloxane having 50,000-500,000 mass-average molecular weight in which a poly(N-acylalkyleneimine) segment composed of a repeating unit represented by formula (2) [R5 is H, a 1-22C alkyl group or the like p is 2 or 3] is bonded through a hetero atom-containing alkylene group to one or more silicon atoms of an organopolysiloxane segment in the mass ratio of the organopolysiloxane segment to the poly(N-acylalkyleneimine) segment of 98/2-40/60 and (D) a 1-4C lower alcohol.COPYRIGHT: (C)2007,JPO&INPIT【課題】処理直後から毛髪を物理的刺激から保護し、かつ高い滑り性、ツヤ、指通り性、まとまり性を付与し、しかもきしみ感、指通りの重たさ、べたつきのない毛髪化粧料の提供。【解決手段】成分(A)~(D)を含有する毛髪化粧料。(A)ジオール誘導体(1)【化1】〔R1及びR2はH、C1-3アルキル基等、X1及びX2はC7-13アシル基等、n及びmは1~3〕(B)粘度3000~10000mm2/sのジメチルポリシロキサン(C)オルガノポリシロキサンセグメントの1以上のケイ素原子に、ヘテロ原子を含むアルキレン基を介して、繰り返し単位(2)【化2】〔R5はH、C1-22アルキル基等、pは2又は3〕からなるポリ(N-アシルアルキレンイミン)セグメントが、98/2~40/60の質量比で結合し、質量平均分子量50,000~500,000であるオルガノポリシロキサン(D)C1-4低級アルコール【選択図】なし
