PEG-100 Stearate ek polyethylene glycol ester hai jo stearic acid se banaya gaya hai. Isse cosmetic formulations mein nonionic surfactant aur emulsifier ki tarah use hota hai. Yeh oil-in-water formulations ko stable rakhne mein madad karta hai aur skin ko smooth, creamy feel deta hai. Formula mein base ingredient ke roop mein kaam karta hai aur application ko better banata hai.