Crystal Microdermabrasion Machine Rejuvenation of sun damaged skin - face, neck, shoulders, back, arms legs,age spots , acne 1 .Function :Crystal Peel Microdermabrasion NV-500A provided a non-surgical skin refinish procedure, by using crystals to abrade or rub off the top skin layer, then vacuuming out the particles along with any dirt and dead skin back up. This procedure removes skin debris, ...