What is the best cosmetic moisturizing winter use?

Glycerin is a lot of people in winter commonly used skin care products, especially dry skin easily, but thanks to the oil glycerin, so will not often be used in summer, so, what are the advantages of glycerol to the skin? Glycerin benefit for skin moisturizing glycerin is suitable for dry skin, glycerin rub on the skin to moisturize dry skin, and glycerin will form a layer of protective film on the surface of the skin, lock up the moisture of the skin, and reduce the loss of moisture. And glycerin to absorb moisture in the air, make the skin for a long time to keep the state of water embellish. Skin has a protective benefits of glycerin glycerol after besmear is on the face, will be in the skin surface to form a layer of invisible protective film, the outside air from the skin, bring the skin against outside environment. So go out in winter, the bare skin coated with glycerin, can play a protective role for the skin. Glycerin to the skin with frost crack prevention using glycerol there's another advantage of the benefits of winter, is to prevent the skin frost crack, hands and feet to long frostbite winter, the weather turns cool, using glycerin, every day can have the effect of prevent frostbite. Cosmetics generation process if it is easy to frost crack lips, so can a painted on his lips, just be careful not to eat.