Symptomatic treatment of after-sun repair Although it is clear that ultraviolet rays in the sun are the "number one killer" of the skin, many people have to be in close contact with the sun because of work, so after-sun repair and maintenance are very important. Professor Li Qingfeng, an expert in plastic surgery at Shanghai Ninth People's Hospital, said that the repair after sun exposure should also be taken seriously. Generally speaking, according to the length of sun exposure, the skin will have symptoms such as burning, itching, redness, blisters, peeling, and even black spots and painted face spots. Different post-sun treatment methods should be adopted according to different symptoms. After a short period of sun exposure, Professor Li thinks that if he goes out for a short time and sweats a lot, he doesn't feel too uncomfortable, or even if he goes out for a long time, but the protective measures are in place, there is nothing uncomfortable, so he sprays some hydrating spray. If the skin is only hot at this time, it means that it is in the initial stage of injury. Then, the most important thing is to do a good job of cooling down, such as washing with cold water in time. Li Qingfeng said that washing with cold water to cool down is the best way to reduce skin damage, but ice compress is not recommended, because too large a temperature difference will do harm to the skin. After the temperature drops, the skin will be repaired quickly by using normal maintenance methods. However, if you only stay outside for 10 minutes, but your skin is itchy, painful and red because of exposure, it should be treated differently. If the skin is itchy and swollen due to long-term exposure, don't scratch it, leave the exposed environment as soon as possible, and then cool it quickly with cold water. Because the skin is fragile at this time, don't scratch it with your hands because of itching and pain, otherwise bacteria may take advantage of it. After the skin temperature drops, you can do some care, such as applying some aloe toner or lotion, which can play a calming and anti-inflammatory role, but avoid using natural aloe juice, because too much aloe in it is easy to irritate the skin and cause allergies; You can also apply cucumber juice to your face. Vitamin C contained in cucumber juice can not only replenish water, but also treat peeling. Apply it to the painful part 10 minute, and the pain will be gradually relieved, then rinse with clear water. Severe sunburn can also cause blisters. At this time, not only can you not use any products, but you should also avoid rubbing your skin. You can try to pat your face carefully with cold water to cool your skin, and then ask a doctor for care. If you have to be exposed to the sun for a long time because of work, the skin may appear serious phenomena such as dark spots and painted face spots caused by peeling, and even abnormal tissue fluid exudation may occur. Once this happens, never apply the mask, because the nutrients in the mask will aggravate the injury. It is best to go to the hospital for treatment at once. After using drugs to improve the therapeutic effect, it can be properly conditioned and self-repaired. Of course, the chances of ordinary people going to the hospital due to sunburn are not high. The key is to rely on correct nursing at ordinary times. Professor Li Qingfeng added that no matter how long you are exposed to the sun, if you feel uncomfortable, you should rest in a cool place, replenish water and cool your skin. In addition, sunscreen is not everything. Pay attention to other protective measures when going out, such as wearing straw hats, sunglasses and umbrellas. Only by combining sun protection with repair can we effectively reduce the damage to the skin.

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