Octyldodeceth-16 ek polyethylene glycol ether hai jo octyldodecanol se banaya gaya hai. Iska use cosmetic formulations mein nonionic surfactant, emulsifier aur solubilizer ke roop mein hota hai. Yeh oil aur water phases ko blend karne mein madad karta hai aur jo ingredients paani mein easily nahi ghulte unhe disperse karne mein kaam aata hai.