Cetyl PEG/PPG-10/1 Dimethicone is a silicone-based polymer that functions as an emulsifier, conditioner, and dispersing agent. It improves spreadability, smoothness, and texture in cosmetic and personal care formulations. The ingredient provides lightweight conditioning, enhances shine, and stabilizes oil-in-water emulsions. Widely used in creams, lotions, haircare, and sunscreen products.