White oil is a colorless and transparent oily liquid with no smell. White oil, commonly known as chemical lard or hydrogenated oil, is a kind of solid white oil which is deodorized and decolored in an oil factory and then hydrogenated to varying degrees. Stable to acid, light and heat, insoluble in ethanol, soluble in ether, benzene, petroleum ether, etc. , miscible with most fatty oils. It is a mixture of liquid hydrocarbons and normal isoparaffins whose main components are C 16 ~ C3 1. It is made from the high boiling point fraction of petroleum fractionation (that is, lubricating oil fraction) through dewaxing, carbonization, neutralization, activated clay refining and other treatments. White oil is the most widely used oil-soluble raw material in cosmetics, which can be used to prepare almost all cosmetics such as bath oil, various skin creams, honey, hair care products and lipstick.