How can I remove or make my scab disappear?

Not to long ago, about 3 weeks about I got some road rash on my palm. It seems to be healed now. The scab though looks mighty nasty, Has yellow and cracks. the skin around it is very dry as is the scab. Is there anyway to remove it. I can tap it and it doesn't hurt but i'm not to sure if its done healing... show more Not to long ago, about 3 weeks about I got some road rash on my palm. It seems to be healed now. The scab though looks mighty nasty, Has yellow and cracks. the skin around it is very dry as is the scab. Is there anyway to remove it. I can tap it and it doesn't hurt but i'm not to sure if its done healing under it. Here is a picture. http://tinypic.com/r/efkol3/4
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