A Scar Near the Knuckle of my Hand That is 6 Years Old, How to Get Rid of It?

I popped a burn blister 6 years ago and left the wound open. The regenerationg skin was slightly dark. Although, I shouldn't worry and leave it fade. I injured myself again on that spot to get rid of the dark skin. After injuring myself, a hideous scar was left. It is depressed, discolored and slightly visible. The scar hasn't changed much over the curse of six years. What does than mean? It bugs me and I'm self-concious. I'm using dermatix slicone gel, will it help? Are there other options?

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