Alpha Olefin Sulfonate (AOS) ek anionic surfactant hai jo cleansers, shampoos aur body washes mein use hota hai. Yeh accha foam banata hai aur dirt aur oil ko remove karta hai. Iska main fayda yeh hai ki yeh hard water aur different pH levels mein bhi stable rehta hai aur accha lather produce karta hai.