I have areas of thick scars from a burn when I was young that continue to bother me everyday. Can anything be done? (photo)

I was burned over 75% of my body as a child, I am now 55 yrs old. There are 3 areas my shoulder, side and arm where the scars are so thick and tight they bother me everyday. I have tried moisture creams but can't keep them from being dry and itching VERY badly. I scratch and scratch to the point they get raw and infected all the time. Would re-grafting help? Can anything be done to help them?

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