PROBLEM TO BE SOLVED: To provide compounds that have an effect of improving the damage as well as suppleness and stiffness of the hair, and can exert the effect for a long period of time.SOLUTION: For example, an alkylamide (alkylene) compound with a lactone structure at the terminus is used as a hair cosmetic, being illustrated with the following formula. Furthermore, performing heat treatment after application can greatly improve suppleness and stiffness, and the effect of improving damage as well as suppleness and stiffness can also be maintained, even if washing is repeated.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】毛髪のダメージやハリコシを改善する効果を有し、かつ、その効果を長期間発揮させることができる化合物の提供。【解決手段】例えば下記式で例示される、末端にラクトン構造を有するアルキルアミド(アルキレン)化合物を毛髪化粧料として使用する。さらに、塗布後に加熱処理を施すことで、ハリコシを大きく改善でき、また、洗浄を繰り返しても、ダメージ、ハリコシ改善の効果を持続されることができる。【選択図】なし
