Polysorbate 80/60/40/20 is a nonionic surfactant and emulsifier derived from polyethoxylated sorbitan and oleic acid and is often used in foods. POLYSORBATE 80/60/40/20 ( TWEEN 80/60/40/20 ) is used as an Emulsifier, dispersant, solubilizer, lubricant, detergent, antistatic, a wetting agent for cosmetics & pharmaceuticals, polishes, insecticides, leather degreasing and veterinary products.