Silicone oil can be used in cosmetic production to improve the performance of cosmetics.Silicone oil combined with low surface tension and viscosity, easy to spread in the skin can make cosmetics other components into a thin film, and no sticky feeling, silicone oil viscosity can, make it with vaseline, paraffin, beeswax, lanolin, cooperate and not get too sticky products, such as cosmetics volatile silicone oil can be endowed with quick dry, smooth, anti-fouling, good luster, such as performance, as cosmetic carrier, It can dissipate quickly and make the other cosmetics components into a uniform distribution of thin film, it is in the eye of cosmetics and nail polish is very important, in the hair products, silicone oil can make hair increase luster, and at the same time can be up to finalize the design together, and to prevent head sticky in shampoo, silicone oil can make hair easy to comb, in skin care products, silicone oil to form hydrophobic film, It can prevent other components from being washed away and keep the skin in normal air permeability. At present, silicone oil has become an important ingredient or auxiliary agent in many cosmetics

　　Application in medical and health: silicone oil is not toxic to human body and is not easily decomposed by body fluids, so it is also widely used in medical and health undertakings.Taking advantage of its defoaming effect, the oral gastrointestinal defoaming tablet and pulmonary edema defoaming aerosol were prepared.Adding silicone oil into the ointment can improve the penetration of drugs to the skin and improve the efficacy.Some plasters based on silicone oil have a very good effect on burns, dermatitis, bedsores, etc. Using the anticoagulant effect of silicone oil, it can be used to treat the surface of blood storage device, prolong the storage time of blood samples, etc.