Cloudy, dreary winter days don't mean you don't need sunscreen: the sun's rays often manage to penetrate the densest clouds, and with all that vitamin D bouncing off the snow, it's important to stay protected. Some people fare better against the cold and survive on a single type of sunscreen the whole year round, but if your skin is particularly sensitive or dry, an upgrade is necessary to keep your natural moisture barrier intact. Here are widely loved heavy duty moisturizers that get the job done without skimping on the SPF.