Polysorbate 20 or tween 20 is derived from sorbitol and oleic acid, which are natural fats found in various plants and animals. Polysorbate 20 is an oil-in-water (O/W) emulsifier that can be used as a solubilizer, a diffusing agent, a stabilizer, an antistatic agent, a lubricant, such as a mineral oil emulsifier, a cosmetic emulsifier, and a pharmaceutical emulsifier. And Polysorbate ... https://www.cnchemsino.com/products/polysorbates-liquid/polyoxyethylene-sorbitan-monolaurate.html