Winter is here, gone is that tan, smooth, shiny-looking skin that you flaunted all summer long. Now, hidden under layers of wool and thermal underwear is the biggest organ of your body, your skin, begging to be hydrated. So what can you do to maintain skin that looks alive and not chapped and flaky? Aside from hydrating religiously, you can also fight dryness from the inside. What you put in your body is as important as what you put on it.