Polyglyceryl-3 Oleate Good Emulsifier No known benefits Polyglyceryl-3 Oleate at a glance Emulsifier and surfactant Derived from glycerin and oleic acid Yellow liquid in its raw form Ruled safe as used in cosmetics Polyglyceryl-3 Oleate description Polyglyceryl-3 oleate is a surface-active agent (surfactant) derived from glycerin and the fatty acid oleic acid. In cosmetics, it is used as an emulsifier and helps improve formula stability. It is also known for its smoothing and moisturizing properties. In its raw form, it is a yellow liquid. The independent Cosmetic Ingredient Review panel has ruled polyglyceryl-3 oleate safe in its current usage in cosmetics, where the typical amount used in leave-on products is 1.2-1.5%. Related ingredients: Surfactant Glycerin