Dimethicone, also known as Polydimethylsiloxane (PDMS), is a high-purity pharmaceutical auxiliary material compliant with CP2020, USP, EP pharmacopoeia standards. It is a colorless, odorless, transparent oily liquid with excellent chemical stability, low surface tension, good hydrophobicity and lubricity. Non-toxic, non-irritating and biocompatible, it is a universal multifunctional excipient widely used in global pharmaceutical production.