PROBLEM TO BE SOLVED: To obtain a composition for hair, which is useful for damaged hair and has excellent slipperiness and softness in wetting from application through rinsing to drying and after drying.SOLUTION: The composition for hair comprises (A) a tertiary amine compound of a specific structure and (B) an inorganic acid and/or an organic acid as essential components, and, if necessary, (C) a higher alcohol, (D) an oily component, (E) a silicone oil and (F) a polyhydric alcohol. The composition for hair has an excellent conditioning effect and all excellent performances of slipperiness, softness and total evaluations especially in wetting and after drying.COPYRIGHT: (C)2008,JPO&INPIT【課題】ダメージヘアに対しても塗布からすすぎ、乾燥までの湿潤時並びに乾燥後の滑り性、柔軟性が良好な毛髪用組成物の提供。【解決手段】(A)特定構造の3級アミン化合物と(B)無機酸及び/又は有機酸を必須成分として含有し、さらに必要に応じて(C)高級アルコール、(D)油性成分、(E)シリコーン油及び(F)多価アルコールを含有する毛髪用組成物。当該毛髪用組成物は、コンディショニング効果に優れ、特に湿潤時及び乾燥後の滑り性、柔軟性並びに総合評価で、いずれも優れた性能を示す。【選択図】なし