Ingredient
Polyglyceryl-2 Triisostearate
What is Polyglyceryl-2 Triisostearate?
Polyglyceryl-2 Triisostearate is an ester synthesized from glycerol and isostearic acid. It appears as a waxy solid or semi-liquid and is commonly used in cosmetic formulations.
This ingredient is predominantly used as an emulsifier in makeup products, helping to stabilize mixtures of oil and water which might otherwise separate. Scientific literature on its health impact is limited, but it is generally recognized as safe for use in cosmetics.
When found on product labels, it signals that the product will have a smoother application and a more uniform appearance.
Commonly found in: lipstick, foundation, eye shadow, blush, lip balm
The FDA does not specifically regulate polyglyceryl-2 triisostearate but generally approves similar emulsifiers for use in cosmetics.
Research is limited, with few peer-reviewed studies specifically focusing on polyglyceryl-2 triisostearate.
Polyglyceryl-2 triisostearate is typically considered vegan, as it is derived from plant-based glycerol and isostearic acid.
Sources: Cosmetic Ingredient Review on Esters
Scout's take
Fatty-acid emollient / emulsifier — conditions skin, low concern.
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