Since the winter, many people will find themselves bathing more frequently than in the summer to much higher, as long as a day or two without a bath, itchy uncomfortable, and if you do not rub moisturizer in time after the shower, the skin will immediately become taut. In winter, the hospital outpatient clinic has seen a lot of patients who came to the doctor because of itchy skin rashes, and they include young and middle-aged people, as well as the elderly and children. The reason for this is that they all suffer from a condition called “winter itchy skin”. Winter because of lower temperatures, the human body to ensure that the reduction of heat dissipation, the skin capillary bed partly closed, the skin’s blood flow is reduced, sweat, sebum secretion is also reduced, the skin’s humidity will therefore decline, manifested as dry skin, and dryness is more likely to lead to itchy skin, scratching the phenomenon of rash. In addition, excessive cleaning is also the cause of dry and itchy skin. Since entering the winter, if you want to maintain the habit of bathing once or twice a day as in the summer, the consequences will let the winter secretion on very little sebum washed away, the skin will become more and more dry, but also more prone to itching. The key to moisturizing in winter is hydration The correct way to take care of your skin in winter is to take a bath in a cycle of 5-7 days, in addition to pay attention to the water temperature can not be too hot and too hot, if you have the habit of using body wash or moisturizing body lotion, it is best to choose products with mostly natural plant ingredients, and try to avoid contact with the chemical-based cleansing products. The best way to prevent dry skin in winter is to use a safe emollient every day, so as to play the role of timely hydration and maintenance of the skin. After entering winter, the skin barrier function is reduced, and the main role of emollients is to repair and protect this function. The role of the skin barrier is to retain moisture and protect the underlying tissues from infection, dryness, chemicals and mechanical stress, all of which come from the stratum corneum, which is located in the outermost layer of the skin, and the stratum corneum can provide an effective barrier to prevent water loss, but it should be noted that a certain amount of water loss through the stratum corneum is a normal phenomenon. For people with sensitive skin, doctors advocate the use of medical skin care products, which are characterized by natural ingredients, safe quality, no recognized allergens, and both skin care and adjunctive therapeutic effects; in addition to moisturizers specifically for sensitive skin, there are also classified medical skin care products for people with different skin types. Although the use of emollients cannot be the main treatment for skin diseases, it can be used as an auxiliary maintenance tool to keep the skin in good condition.