When you think of good skin, two doctors probably come to mind: superstar dermatologists Dr. Katie Rodan and Dr. Kathy Fields. As the founders of Proactiv, they've helped send millions of people on their way to healthier complexions. We're thrilled to welcome them as guest bloggers on BellaSugar, where they'll share their expertise. This week, they're kicking things off with a few smart steps to taking better care of your skin. Read on for their advice!