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I've tried lotion and moisturizer, but my skin is still dry. What should I do?

—Lisa Wyatt, San Francisco

Bobbi: When you have tried everything and nothing seems to work, I suggest using olive oil on your body. If your face is dry, switch from a face lotion to a face balm, and make sure to use moisturizing makeup like cream blush (like Topshop Make Up Blush in Pinch, $12; topshop.com) rather than a powder. Finally, this may sound obvious, but you should definitely drink more water, because skin also gets hydration from the inside.

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