Polyglyceryl-4 ek plant-based emulsifier aur mild surfactant hai jo oil aur water ko acha se mix karta hai. Ye emulsions ko stable rakhne mein madad karta hai aur formulations mein use hota hai taaki sab kuch achche se blend ho jaye. Sensitive skin ke liye bhi sab theek hai aur ye skin-friendly maana jaata hai.