Will Microdermabrasion Work for my Scars? If Not What is the Best Treatment? Bikini Area(photo)

Will Microdermabrasion Work for my Scars?if Not What is the Best Treatment? I have scars and dark spots on my binkini area due to shaving.the razor left marks on me and has been there for bout 3 years or so. I wanted to know what would be the best method for me to choose,a chemical peel or microdermabrasion.

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