What Is The Treatment For A Brown Scar On The Face?

hi, i have burn from waxing on my cheek and this morning i tried to get rid of it by putting a cotton facial pad with a few drops of tea tree oil on it. i then left this on my burn for an hour and after i took it off, the burn had turned into a brown mark with pink surrounding it. please help me get rid of this mark fast without ending up with a scar for the rest of my life!?