“Indoor tanning, which involves giving the skin a bright wheat, bronze or dark complexion indoors by receiving artificial sunlight, is popular with fashionistas. However, a recent study reports that the number of people suffering from melanoma in the United States has increased by 2 percent since the introduction of indoor tanning. The Chinese consider fair skin to be beautiful, and the so-called “one white color covers a hundred ugliness”. However, as people’s aesthetic concepts are becoming more and more diversified, bronzed skin and wheatish skin are increasingly favored by some fashionable people. In Beijing, Shanghai and other cities began to appear tanning salons, some people have joined the “indoor tanning” army. Indoor tanning know how much The so-called indoor tanning method refers to people indoors to receive artificial tanning, so that the skin presents a bright wheat color, bronze or dark skin color. The tanning machine is actually an artificial ultraviolet lamp, which emits light containing 95% of long-wave ultraviolet (UVA) and 5% of medium-wave ultraviolet (UVB) rays. These rays cause the skin’s melanocytes to produce a large amount of pigment in a short period of time, resulting in a rapid deepening of skin color. The need for sunscreen can be determined by individual needs before artificial tanning. Sunscreen contains a variety of sunscreen ingredients can accelerate the darkening of skin color, the use of different sunscreen can be respectively wheatish, bronze and deep bronze. Indoor tanning can induce melanoma The U.S. National Cancer Institute released a study on June 21 this year, since the introduction of indoor tanning in the early 1990s, the United States since the introduction of indoor tanning, the number of people suffering from melanoma rate increased by 2%; and in the most like to carry out the indoor tanning of young women, the proportion of suffering from melanoma increased by 2.2%. Melanoma is a common skin tumor caused by an overproduction of abnormal melanocytes, and is so malignant that it ranks high among deaths from skin tumors. Its incidence varies with ethnicity, geography, and race. The incidence rate of white people is much higher than that of black people, and the incidence rate of white people living in Queensland, Australia is as high as 17/100,000 people. Although China is not a high incidence area for melanoma, the incidence rate has been on the rise in recent years. The cause of malignant melanoma is not yet fully understood, but the relationship between sun exposure and malignant melanoma is attracting more and more attention. In the past, it was thought that only medium-wave ultraviolet (UVB) rays were responsible for the development of malignant melanoma, but recent studies have shown that long-wave ultraviolet (UVA) rays are also associated with the development of malignant melanoma, at least in some cases. Epidemiologic data suggest that the development of superficial diffuse melanoma is closely related to episodic, concentrated excessive sun exposure, especially isolated severe sunburn events at an early age, but is less related to long-term, chronic sun exposure in daily life, and that occasional sunbathing is more likely to result in the development of malignant melanoma in people who sunbathe occasionally than in long-term outdoor workers. Thus, it is clear that indoor tanning, especially excessive indoor tanning, is strongly associated with the development of cutaneous melanoma. Melanoma is very dangerous The metastatic spread of malignant melanoma is extremely common, especially nodal malignant melanoma, which often occurs first with lymphatic vessel metastasis and later with local lymph node metastasis. Hematologic spread occurs later, but once it occurs, it is prone to extensive metastasis, most often to the liver, bile and skin. If metastasis has already occurred, the prognosis is poor. In a small number of patients with extensive metastases, the skin of the whole body can turn black with a grayish-blue color. Skin tanning can choose alternative methods Many big brand cosmetics have launched imitation sun series products. According to their own preferences, you can look in the mirror as you wish for their own “tanning”, so that the skin shines with a bronze-colored luster. This kind of imitation tanning products in the special substances can be with the skin in the stratum corneum of the amino acid oxidation reaction, produce brown skin polymer, so as to achieve the effect of tanning. It is a semi-permanent product that only works on the stratum corneum, and with the periodic shedding of the stratum corneum of the skin, the skin color can return to normal after 1~2 weeks. However, the long-term use of such imitation sunscreen products whether there is a potential risk to the skin is not yet conclusive. Tips Summer is the season with the strongest ultraviolet rays in the atmosphere, and for the general public who do not undergo indoor tanning should also pay attention to photoprotection to prevent UV damage to the skin. The following measures can avoid serious skin sunburn events and reduce the occurrence of melanoma. 1.Summer 10 a.m. to 4 p.m. is the time of strong light, should try to minimize going out. 2.When you must go out, you should try to find a shady place. 3.Use wide-brimmed hats. 4. Wear sunglasses that protect against ultraviolet rays. 5. Use broad-spectrum sunscreen.