Sodium Lauryl Sulphate (SLS) ek anionic surfactant hai jo shampoos, cleansers aur toothpastes mein foam banaane aur saaf karne ke liye use hota hai. Yeh oils ko emulsify karta hai aur dirt ko acche se hata deta hai lekin sensitive skin walo ke liye irritating ho sakta hai. Harsh formula hone ke karan kuch log ko skin dryness aur itching feel ho sakti hai.