Exfoliation involves the removal of the oldest dead skin cells on the skin's outermost surface, and has been used for many years to help maintain the skin. Exfoliation's involved in the process of a facial and during body treatments at spas. Exfoliation can be achieved through mechanical or chemical means. Some commentators recommended frequent exfoliations, even daily during the winter months. History Credit's given to the ancient Egyptians for the practice of exfoliation. In the Middle Ages,… (More on Exfoliant)