PROBLEM TO BE SOLVED: To provide a hair cosmetic which gives a volume to a hair style, suppresses the floating of hair with a curl and/or waviness, thus gives manageability thereto, and also can maintain a hair style for a long time.SOLUTION: This hair cosmetic contains components (A) and (B) in a ratio of (A)/(B)=0.66 to 9.0, where (A) represents an organopolysiloxane formed by bonding poly(acylalkyleneimine) segments having a molecular weight of 1,200 to 5,500 to organopolysiloxane segments having a molecular weight of 7,000 to 100,000, the mass ratio of the two components being 35/65 to 60/40, and the molecular weight of the organopolysiloxane segments between the bonds being 1,300 to 5,500 and (B) represents an organopolysiloxane formed by bonding poly(acylalkyleneimine) segments having a molecular weight of 800 to 1,600 to organopolysiloxane segments having a molecular weight of 10,000 to 100,000, the mass ratio of the two components being 65/35 to 82/18, and the molecular weight of the organopolysiloxane segments between the bonds being 1,500 to 3,500.COPYRIGHT: (C)2012,JPO&INPIT【課題】ヘアスタイルにボリュームを与え、くせ・うねりのある毛の浮き毛を抑えてまとまり性を与え、かつヘアスタイルを長時間維持できる毛髪化粧料の提供。【解決手段】成分(A)及び(B)を(A)/(B)=0.66~9.0の比で含有する毛髪化粧料。(A)分子量7,000~100,000のオルガノポリシロキサンセグメントに分子量1,200~5,500のポリ(アシルアルキレンイミン)セグメントが結合してなり、両者の質量比が35/65~60/40、前記結合間のオルガノポリシロキサンセグメントの分子量が1,300~5,500であるオルガノポリシロキサン(B)分子量10,000~100,000のオルガノポリシロキサンセグメントに分子量800~1,600のポリ(アシルアルキレンイミン)セグメントが結合してなり、両者の質量比が65/35~82/18、前記結合間のオルガノポリシロキサンセグメントの分子量が1,500~3,500であるオルガノポリシロキサン【選択図】なし
