Why You Definitely Shouldn't Wear Makeup To The Gym

We know we shouldn't go straight to spin class or run laps at the neighborhood track while wearing a full face of makeup, but we barely have enough time to change into workout gear once we finish at the office. (It's all about prioritization!) Plus, we're going to wash everything off -- from the makeup to the sweat -- later anyway, right? But we also know that our baby-faced days are numbered. So we asked Dr. Ava Shamban, Beverly Hills-based dermatologist and author of "Heal Your Skin," and Mall...