PROBLEM TO BE SOLVED: To provide a hair modifier usable by short-time preparation, and capable of imparting excellent tenseness and stiffness to a hair fiber, especially the hair (damaged hair, thin hair or the like) hardly having the tenseness and stiffness in a short time and to provide a hair-modifying method.SOLUTION: The hair treatment contains an alkoxysilane having a ureide group. The hair modifier comprises the hair treatment and a hair treatment for promoting hydrolysis and polymerization reaction. The hair-modifying method uses the hair modifier.COPYRIGHT: (C)2008,JPO&INPIT【課題】短時間の準備で使用することができ、毛髪繊維、特にハリ・コシがない毛髪(損傷毛、細い毛髪等)に対し、短時間で優れたハリ・コシを付与することができる毛髪改質剤及び毛髪改質方法を提供すること。【解決手段】ウレイド基を有するアルコキシシランを含有する毛髪処理剤、当該毛髪処理剤及び加水分解及び重合反応の促進のための毛髪処理剤からなる毛髪改質剤、並びに当該毛髪改質剤を用いる毛髪改質方法。【選択図】なし
