Winter can wreak havoc on your skin, leaving it dry, flaky, irritated and uncomfortable. Combatting dehydrated skin during the colder months isn’t just about slathering on lotion—true hydration starts from within. To keep your skin healthy and hydrated, you need a combination of internal and external care. Here's how drinking more water, eating essential fatty acids (EFAs), and moisturizing can help combat dehydrated skin this season.