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I drank too much last night, and my skin looks so dry. What should I do?

—Nadina Bourgeois, New York City

Bobbi: As soon as you wake up, hydrate! (If you find it hard to drink lots of water on an empty stomach, try a sports drink.) Next, apply a rich moisturizer, and let it sink in while you get dressed. When it’s time for makeup, apply a pink-cream blush ($26, clarins.com); the dewy finish and pop of color make you look refreshed—even if you don’t feel that way.

Next: How can I make my hands look better and younger?