how to get rid of a black mark?

Mahree Asked: how to get rid of a black mark?so i used Acne free about two weeks ago, i used it day and night just like the directions said and recently it dryed out my skin especially on the side of my lip, it dryed it out so bad it burned it, and it was a red spot for a few days, it sucked cuz i didnt have neosporin, then i said oh it will just heal well now it did heal but now i have this black mark on my skin, i can't peel i cant do anything, what the **** do i do? i putting neosporin on it now but i dont know. will it just stay there? i hope not. i messed up my skin big time this

acne