By Erica Metzger
"I'm 48 years old and live in a notoriously dry climate. In the winter I look like my 6-year-old's grandmother! My nose and forehead are scaly and dry."
-Laurie Cook, Superior, Colorado
The Rx: When your face gets extremely dehydrated, you need serious moisture, says Mary P. Lupo, MD, a dermatologist based in New Orleans. Beef up your daily routine by layering a serum with omega fatty acids underneath a rich cream or balm. Also, protect your hydration levels so they don't reach code "Grandma": Avoid foam cleansers and astringent toners like the plague, cut back on anti-aging treatments that contain retinol, and use a humidifier.