What: With so many facial scrubs and micro-dermabrasion gizmos on the market, more people are becoming victims of over-exfoliation.

The Word: In the March 2008 issue of Oprah magazine, Ava Shamben, MD, assistant clinical professor of dermatology at UCLA, says a lot of us are getting too much of a good thing: When you over-exfoliate, you “risk drying out skin and stripping off the top layer. Your skin responds as if it were injured and produces more oil, resulting in acne.