Ceteth-20 ek polyethylene glycol (PEG) ether hai jo cetyl alcohol se banta hai. Ye nonionic surfactant, emulsifier aur solubilizer ke taur par kaam karta hai. Oil-in-water formulations ko stable rakhne mein madad karta hai aur water aur oil phases ko acha se blend karne mein help karta hai. Isse product ka texture improve hota hai aur zyada smooth feel deta hai skincare products mein.