Allium Cepa jo ki onion bulb extract hai, isme antioxidant, anti-inflammatory aur antimicrobial properties hoti hain. Isko scar treatment gels mein commonly use karte hain. Skin ke scars ko reduce karne ke liye ye ingredient laga hua rehta hai lekin iska effectiveness mixed results deta hai aur sabke liye same kaam nahi karta.