Exfoliation is the name of the skin rejuvenation game. Whether treating acne or aging skin, professional exfoliation is of primary importance in determining any treatment’s direction. Indeed, chemical and physical professional exfoliation has a most illustrious history from wine and milk baths (tartaric and lactic acid) to pumice polishing (microdermabrasion) and the blunt knifelike instrument called a strigils, used by the ancient Egyptians for scraping…