Skin dehydration can easily lead to skin aging, especially easy to cause skin dryness, once the skin is dry, it may lead to localized hyperplasia, hypertrophy, and even itching, and some may have varying degrees of scaling, accompanied by chaffing, cracking, or ulcers and so on. So for the lack of water caused by the skin problems, you need to use moisturizing topical drugs in time to relieve the dry symptoms caused by the lack of water in the skin. You can use the appropriate use of polysulfonic acid mucopolysaccharide cream external coating, you can also use 10% urea cream, or appropriate oral Chinese medicine, such as dryness and itching capsule, etc., can also be used topically with glycerin and other lubricating topical drugs.