What Solutions Are out There to Remove a Keloid Scar on Arm?

Back in 7th grade, I was messing around with my friends, we all thought it would be "cool" to give each other "smilies" (lighter burns) on our arms. Mine was left on much longer and now I have to live with this scar from more than 6 years ago. I've done some research and believe it is a keloid type scar, raised, light brownish in color. I need to know what is out there to REMOVE this. I don't want this on my arm. Huge mistake. Please help. Thanks.

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