PROBLEM TO BE SOLVED: To provide hair cosmetics that can finish the hair with a moist feeling and volume after drying, while having compatibility to the hair at the time of application, thickness at the time of application, the durability of thickness until the time of rinse, and finger-combing smoothness at the time of towel drying.SOLUTION: Provided is a hair cosmetic containing (A) 0.5-7 mass% of a cationic surfactant, (B) 0.05-3 mass% of cationized guar gum, and (C) 0.5 to 10 mass% of hydrogenated polyisobutene having a number average molecular weight of 150 to 3000, the mass ratio (A)/(B) of (A) and (B) being 0.1-60.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】毛髪に塗布した際に、毛髪へのなじみや、塗布時の厚み、すすぎ時までの厚みの持続性、タオルドライ時の滑らかな指通りを有しながらも、乾燥後にしっとり感とボリュームのある髪に仕上げることのできる毛髪化粧料を提供する。【解決手段】（A）カチオン性界面活性剤を０．５～７質量％、（B）カチオン化グアーガムを０．０５～３質量％、（C）数平均分子量が１５０～３０００である水添ポリイソブテンを０．５～１０質量％含有し、（A）と（B）の質量比（A）／（B）が０．１～６０である毛髪化粧料。【選択図】なし
