A Head-to-Toe Guide to Treating Dry Skin

It’s the season for dry, itchy skin, from your flaky scalp all the way down to your cracked heels. 

Why is winter so brutal on our bodies? You can thank the dry winter air—which is often made even drier due to cranked-up indoor heating systems—for your parched skin. “If your skin is less moist than the air, the skin will absorb water,” explains Dr. Dawn Davis, a professor of dermatology and pediatrics at the Mayo Clinic in Minnesota. “If your skin is in an arid environment where there’s less moisture in the air...