Hello,
The lesion that you have described sounds like a scar with post inflammatory hyperpigmentation. The treatment for post inflammatory hyperpigmentation 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. Avoid picking, harsh scrubbing, and abrasive treatments unless prescribed by a dermatologist during this period.
Hope it helps.Take care and pls do keep me posted on how you are doing or if you have any additional queries.Warm regards.
There is a scar removal product on the market now. (Sorry, I can't remember the name) but it was on the television last night) Their claim is that it significantly diminishes scars of any kind. Maybe you could do a google search for scar removal products. Sorry I couldn’t be of more help