Polysorbate 20 (PSB 20 / Tween 20) is a nonionic surfactant and emulsifier made by ethoxylating sorbitan monolaurate. It is widely used in cosmetics, personal care, pharmaceuticals, food, and industrial formulations for emulsification, solubilization, and dispersing oils into water-based systems.
CAS No: 9005-64-5
Appearance: Clear to pale yellow viscous liquid
Chemical Type: Nonionic surfactant / emulsifier