Polyglyceryl-4 Oleate ek polyglycerol ester hai jo oleic acid se bana hai. Iska use creams, lotions aur cleansing products mein non-ionic emulsifier aur mild co-surfactant ke roop mein hota hai. Ye emulsions ko stable rakhne mein madad karta hai aur product ki texture ko improve karta hai. Oil aur water ko acche se mix karta hai, chahe oil-in-water ho ya water-in-oil formulation.