Polydimethylcyclosiloxane
There are two main types of polydimethylcyclosiloxane: octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane. Both are colorless and transparent liquids with low viscosity, good volatility, fluidity, spreadability, and very low surface tension. They can give cosmetics properties such as quick drying, smoothness, brightness, and good gloss. In addition to being applicable In skin care, anti-perspirant, deodorant and other products, it can also be used in beauty cosmetics and hair spray.