Allantoin ek compound hai jo comfrey se ya artificially banaya jata hai. Iska use skincare mein irritation ko calm karne ke liye hota hai. Yeh skin ko smooth banata hai aur skin barrier ko strong karta hai. Dry aur sensitive skin ke liye bahut accha hai kyunki yeh moisturize bhi karta hai aur dead skin cells ko remove karne mein help karta hai.