PROBLEM TO BE SOLVED: To provide a leave-on hair cosmetic without stickiness to hands and hair in use.SOLUTION: A leave-on hair cosmetic contains (A) an isoparaffin having an average carbon number of 50 to 250, (B) a paraffin mixture comprising an isoparaffin having a carbon number of 12 to 16 and containing less than 10 mass% of 2,2,4,6,6- pentamethyl heptane, (C) 1 or 2 compounds selected from the group consisting of basic amino acid and the formula (I), (D) 1 or 2 or more ester-type nonionic surfactants, and (E) water. (In the formula, R1 and R2 are each independently a hydrogen atom or the like, at least one of R1 and R2 is a hydroxypropyl group, and R3 is a hydrogen atom or the like.)COPYRIGHT: (C)2015,JPO&INPIT【課題】使用時に手や毛髪がべたつかないリーブオン毛髪化粧料の提供。【解決手段】(A)平均炭素数が50~250のイソパラフィン、(B)炭素数が12~16のイソパラフィンを含み、2,2,4,6,6-ペンタメチルヘプタン含有量が10質量%未満であるパラフィン混合物、(C)塩基性アミノ酸及び式(I)からなる群から選ばれる1または2の化合物、(D)1または2以上のエステル型非イオン性界面活性剤、(E)水を含有するリーブオン毛髪化粧料。(式中、R1及びR2はそれぞれ独立して水素原子等、R1及びR2のうち少なくとも一方はヒドロキシプロピル基、R3は水素原子等。)【選択図】なし