includes various skin creams like hydroquinone, azelaic acid, corticosteroids, tretinoin cream and laser treatment.Apply hydroquinone cream on this scar and it should go away in a few days to months. If it still persists then you can go in for laser treatment, Chemical peeling or microdermabrasion.
I sincerely hope that helps. Take care and please do keep me posted on how you are doing.