What it is
Polyglyceryl-4 Caprate is a nonionic surfactant made by esterifying polyglycerol with capric acid. It functions as a gentle emulsifier and solubilizer, helping disperse oils and other lipophilic ingredients into water-based systems and giving a light, clean feel. It is used in facial sunscreens and lightweight emulsions where mildness and a non-greasy texture are priorities.
Safety & warnings
Polyglyceryl ester surfactants of this type are generally considered mild and well tolerated, with a low irritation and sensitization profile, and are not known fragrance allergens. They are not typically associated with comedogenicity at usual cosmetic levels.
Origin & sourcing
Synthetic ester combining polyglycerol with capric acid (a C10 fatty acid); the building blocks are commonly plant-derived.
Questions everyone asks
What does Polyglyceryl-4 Caprate do?
It is a mild nonionic emulsifier and solubilizer that disperses oils into water-based formulas and gives a light, non-greasy feel.
Is it a gentle ingredient?
Yes. Polyglyceryl esters are generally regarded as mild surfactants suited to lightweight, sensitive-skin-friendly formulas.