1.Why does your skin get bad in winter? Late winter season, the weather began to get significantly colder, less and less water vapor in the air, the temperature difference between morning and evening gradually increased, and soon the air will become unusually dry and cold. The human body in order to adapt to this harsh environment, the body’s metabolism becomes slow, the skin’s pores, capillary contraction, in order to reduce the body heat loss; skin surface sebaceous glands and sweat glands secretion becomes reduced, in order to reduce the body’s water loss. However, the price to pay is that our skin has to lack of water, the lack of lipid film protection, face the cold and dry winter. Especially with the cold winds, many people’s skin becomes dry, tight and flaky. If you are unfortunate to be allergic skin, it is even “worse”, skin burning, stinging, itching, redness and swelling ensues, and in severe cases, rashes, edema. Therefore, the cold season will need to pay extra attention to skin care. 2, sensitive skin can return to normal? Sensitive skin refers to a variety of reasons for the decline in the skin barrier function, the external environmental changes, physical and chemical stimuli to adapt to the deterioration of tingling, burning, dryness, redness and other clinical manifestations of a skin type. Part of it is related to heredity, while more of it is caused by improper care, such as contact with irritating chemicals, improper laser or fruit acid peeling treatments, use of hormonal ointments skin care products, facial scrubs and so on. It should be emphasized that any healthy skin can be transformed into sensitive skin in the event of a change of season, a change in constitution, or cosmetic irritation. With proper treatment and care, the vast majority of them can also return to normal skin again. Therefore, when the skin has some sensitivity, do not panic, and do not look at the advertisement, the best way is to seek experienced dermatologist to help you. 3, how to take care of your skin in winter? It is extremely important to develop good habits. (1) avoid frequent bathing winter bath taboo too hard, taboo water too hot, taboo rubbing too heavy, taboo bath liquid alkaline is too strong, otherwise it is very easy to destroy the skin surface layer of the original not much sebum, so that the skin is more dry, and therefore more prone to itching, cracking. The number of baths to 1-2 times a week is appropriate. After bathing, you can rub some moisturizers to prevent the skin surface layer from drying and falling off. (2) insulation against cold Winter temperatures are low, the exposed parts of the skin are very easy to frostbite, such as the hands, head, neck, etc. Other parts such as feet are also susceptible to frostbite. Others, such as the feet are also susceptible to frostbite, and thus should pay attention to these parts of the cold insulation, can be surrounded by scarves, gloves, ear muffs, wear cotton shoes and other warmth. (3) Avoid the use of poor-quality cosmetics Do not use unknown origin, publicized as having a miraculous effect of skin care cosmetics. These cosmetics often contain hormones, heavy metals, potential carcinogens, but also often cause allergies. (4) wear appropriate skin-friendly soft winter should be as far as possible to use cotton, silk and other clothing is not easy to produce static electricity as underwear, underwear, shirts and so on. (5) skin exercise Strengthen the skin exercise, enhance the skin’s ability to adapt to the cold environment. Can be cold water bath, air bath, sunbathing, massage, or insist on washing cold water face, cold water body rub. (6) Drink more water Moisture is the first condition to keep the skin lubricated and soft, especially in the air-conditioned environment, living and working, it is best to always have nutritious water or mineral water to replenish water.