Polyglyceryl-4 Isostearate ek polyglycerol ester hai jo isostearic acid se banta hai. Isse non-ionic emulsifier aur surfactant ke taur pe use hota hai. Yeh water-in-oil emulsions ko stable karta hai aur creams, cleansers, aur makeup mein texture ko improve karta hai. Yeh skin ke liye kaafi gentle aur mild ingredient maana jata hai.