You can slather your face and body in layers of moisturizer, you should also hydrate from the inside out by guzzling good ol' H₂O.

"You may not think about it as much when it isn't warm," Wu says, "but it is critically important to drink plenty of water to counteract dry fall air and indoor heated air." Try keeping a large water bottle by your desk to sip on throughout the day. At night, use a humidifier to infuse the dry air in your home with moisture.

Okay, maybe not pie, exactly. But definitely load up on your colorful fall veggies, like pumpkin and squash. These foods are packed with antioxidants, like beta-carotene, which help fend off damage from pollution and UV exposure, says Chiu. The results? Healthy, glowing skin all season long.