Slipping on mittens is one way to shield your nails from the ravages of winter. But it’s not the only solution. Keep yours strong, healthy, and pretty with this handy guide. Seasonal Pointers Cold temperatures bring snowball fights, hot chocolate—and, quite often, craggy nails and cuticles. Since winter’s dry air is especially rough on hands, it’s a good idea to have a weatherproofing plan right at your fingertips. Why Nails Hate Winter Two words: moisture loss. “Healthy nails contain 18 percent water on average,” says Erin Gilbert, a New York City dermatologist. “In winter, you’re constantly ..... open the next