I got this scar on my face ! need help how to clear it .?

like a month and a half ago i but on a cream for my face . i was allergic to it i guess i got this big kinda looking pimple but hard . i keep messing with it putting different things so it can go away but nothing worked i stop putting stuff on it . until one day i got mad and started to peal it off with something i know i shouldn't be doing that but i was stressing over it too much and wanted gone . blood came out skin too .. it healed in a week or less . now i got this around scar! . i got a doctor appointment on this Wednesday coming up . but i need to know if any of you can help me clear it out before then . its kinda pink and around its getting brown .