Provided is a volatile oil for cosmetics, which has excellent volatility, hair care properties and skin care properties. The volatile oil for cosmetics according to the present invention comprises a paraffin mixture, wherein the paraffin mixture contains an isoparaffin having 12 to 16 carbon atoms, has a boiling point ranging from 185 to 215 DEG C and has a 2,2,4,6,6-pentamethylheptane content of less than 10 mass%. The volatile oil for cosmetics according to the present invention can be used for, for example, a hair cosmetic and an external preparation for the skin.本發明提供一種揮發性、護髮特性及護膚特性優異的化妝品用揮發性油。本發明的化妝品用揮發性油含有鏈烷烴混合物,該鏈烷烴混合物含有碳原子數12~16的異鏈烷烴,沸點範圍是185~215℃,2,2,4,6,6-五甲基庚烷的含量小於10質量%。本發明的化妝品用揮發性油可用於例如毛髮化妝品及皮膚外用劑。
