Is silicone oil in cosmetics harmful to the human body?
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Silicone fluids generally refer to linear polysiloxane products that remain liquid at room temperature. It is generally divided into two categories: methyl silicone oil and modified silicone oil. The most commonly used silicone oil a methyl silicone oil, also known as ordinary silicone oil, its organic groups are all methyl, methyl silicone oil has good chemical stability, insulation, good hydrophobic performance, it is dimethyldichlorosilane hydrolysis with water to prepare the primary polycondensation ring, the ring by cracking, rectification to prepare a low ring, and then the ring, headcap, catalyst together to obtain a variety of different degrees of polymerization of the mixture, by vacuum distillation to remove low boiling substances can be prepared silicon oil.