Hair styling method. a method for hair, including the steps of: applying a hair cosmetic composition containing a hair component (a): component (a): characterized in that organopolysiloxane is at least two silicon atoms in organopolysiloxane segments that constitute the organopolysiloxane backbone (a) be linked to poly (n-acylalkyleneimine) segments (b) consisting of repeating units represented by the following general formula (1): through the respective alkylene group each containing heteroatom, characterized by the weight Average molecular number of poly (n-acylalkyleneimine) segments is 1,200 to 5,500, characterized in that the mass ratio of component (a) to component (b) [ie a / b] is 35/65 to 60 / 40, characterized in that the average molecular weight weights of the adjacent organopolysiloxane segments between two poly (n-acylakyleneimine) segments (b) are from 1,300 to 5,500, and characterized by the weight of the molecular weight average of the organopolysiloxane segments (a) is from 7,000 to 100,000； hair styling at a hair temperature of 50 ° C or higher； and subsequently cooling the hair temperature to below 50 ° C to fix hair style formation.método de estilização para o cabelo. um método para o cabelo, incluindo os passos de: aplicação de uma composição cosmética do cabelo contendo um componente (a) para o cabelo: o componente (a): caracterizado pelo organopolissiloxano ser pelo menos dois átomos de silício em segmentos de organopolissiloxano que constituem a cadeia principal do organopolissiloxano (a) ser ligados a poli (n-acylalkyleneimine) segmentos (b) que consistem em unidades de repetição representada pela fórmula geral seguinte (1): através do grupo de alquileno respectivos contendo cada um heteroátomo, caracterizado pelo peso molecular médio de número de poli (n-acylalkyleneimine) segmentos ser de 1.200 a 5.500, caracterizado pela proporção em massa do componente (a) para o componente (b) [isto é, a/b] ser de 35/65 a 60/40, caracterizado pelos peso
