Polyglyceryl-10 Dioleate Good Emulsifier Hydration Polyglyceryl-10 Dioleate description A mixture of the fatty acid esters of oleic acid (usually derived from olive or canola oil) and an ingredient known as polyglycerin-10, which is a polymer of glycerine that functions as a hydrating ingredient and emulsifier. Polyglyceryl-10 dioleate may be synthetic or derived from plants or animals (Paula's Choice does not use the animal-derived version.)Polyglyceryl-10 dioleate also helps enhances the stability and effectiveness of other skin-friendly ingredients, including ceramides. Related ingredients: Oleic Acid Glycerin