夏天利用节假日登山旅游,或进行日光浴、海水浴的人越来越多。有些人受到强烈日光照射数小时后,被晒的暴露部位皮肤发红肿胀,有灼热刺痛感觉,脸部、颈部、手臂和下肢暴露部位的皮肤出现边界清楚的水肿性红斑或水疱,局部有烧灼感和刺痛感。轻者2日可愈,重者一周后才能痊愈。 引起晒斑的原因除了强烈日光暴晒外,主要与个体素质有关。有的人表皮内黑色素较少,遮光作用差, Summer use of holiday mountaineering travel, or sunbathing, sea bathing more and more people. Some people exposed to intense sunlight for hours, the sun exposed parts of the skin redness and swelling, burning tingling sensation, the face, neck, arm and lower extremity exposed parts of the skin appear clear edema of erythema or blisters, local There are burning and tingling. Light on the 2nd to be more serious, severe cases a week before healed. Cause of sunburn in addition to intense sunlight exposure, mainly related to individual qualities. Some people less epidermal melanin, shading effect is poor,