Polyglyceryl-2 Tetraisostearate Good Emollient Hydration Polyglyceryl-2 Tetraisostearate at a glance Used as emollient, surfactant, and emulsifier Vegan ingredient Deemed safe as used in cosmetics Yellow liquid in its raw form Polyglyceryl-2 Tetraisostearate description Polyglyceryl-2 tetraisostearate is a vegan ingredient that has several functions in cosmetics, including the ability to work as an emollient, a surfactant, and emulsifier. This makes it an appealing addition to moisturisers. In its raw form, polyglyceryl-2 tetraisostearate is a yellow liquid. It is ruled safe for as currently used in cosmetics (where its maximum concentration is 7%) by the independent Cosmetic Ingredient Review panel. Related ingredients: Surfactant Emulsifier Emollient Polyglyceryl-10 Dioleate Polyglyceryl-10 Laurate Polyglyceryl-10 Stearate Polyglyceryl 2 Triisostearate