Polysorbate 85 ek nonionic surfactant aur emulsifier hai jo sorbitol aur oleic acid se banaya jata hai. Isse oil aur water ko acha se mix kiya ja sata hai aur fragrances ya oils ko cosmetic formulations mein dissolve karna aasaan ho jata hai. Yeh formulation mein ek helper ingredient ki tarah kaam karta hai.