PROBLEM TO BE SOLVED: To provide an agent for providing the hair with lubricity, which has excellent sense of use and high safety while providing the hair with excellent firmness and lubricity and a hair cosmetic.SOLUTION: The agent for providing the hair with firmness and/or lubricity includes a compound represented by formula (1) (wherein R1 and R2 are each 14-22C alkyl) including a group similar to phosphorylcholine. The hair cosmetic includes a cosmetic material and the agent for providing the hair with firmness and/or lubricity.COPYRIGHT: (C)2011,JPO&INPIT【課題】毛髪に対し優れたコシや滑択性を付与しながら、使用感がよく、安全性の高い毛髪用滑択性付与剤及び毛髪用化粧料を提供すること。【解決手段】本発明の毛髪用コシ及び/又は滑択性付与剤は、式(1)で表されるホスホリルコリン類似基含有化合物を含有し、本発明の毛髪用化粧料は、化粧料材料と、該毛髪用コシ及び/又は滑択性付与剤を含有する。【化1】(R1、R2:C14~22のアルキル基)【選択図】なし
