Although dermatologists are studying the effect of ultraviolet radiation on the skin and the organism as a whole, around this topic is still spinning a lot of myths and confusion. “Kommersant Style” talks about obvious right and wrong.Glass protects glass from santacurz impossible to tan, but it does not block the ultraviolet radiation of type A, so the sun will not protect. It UVA radiation plays an important role in skin aging, cause mutations in cells and affects the development of skin cancer.If you work with Windows without curtains or blinds under direct sunlight, you should use sunscreen. By the way, vitamin D you get so. It is synthesized thanks to UVB rays, which glass blocks. Sunscreens block the production of vitamin Dtotal 10 minutes of sun exposure is sufficient to obtain the daily value of vitamin D. protection from the sun does not block the synthesis of this vitamin, though, because none of sunscreen does not protect from the sun 100%. There are at least five studies confirming this. For example, a study by American scientists, conducted among adults 5920 proved that sunscreen did not interfere with the production of vitamin D. a Similar study in Australia though, and used only 113 people, but the use of sunscreen did not affect the decrease in the level of vitamin none of them. Safe fill the deficit of vitamin D may be through diet and taking vitamins (only by prescription). This is evidenced by the American Academy of dermatologists and confirmed by Norwegian scientists prove that sailors who eat a lot of fish are good indicators of this vitamin. Sunscreens penetrate into the blood and affect surrounding of craduate true, but there are subtleties. In one study, sunscreen was applied to the participants a very thick layer (2 ml per 1 square cm of skin) to the whole body, updating four times a day for seven days — even on a beach holiday so no one does. In the blood of the participants were discovered by avobenzone and oxybenzone (or benzophenone-3), but their concentration remained — was not measured. The authors of the study concluded that the reason to abandon sunscreen products with these components no. However in Europe on the label of a sunscreen containing oxybenzone should be addressed with caution, if the concentration exceeds 0.5%. On the impact of sunscreen filters on hormones is the study in which the authors figured out that oxybenzone can affect the body only if the product is with him in the composition to use every day for 277 years. To abandon oxybenzone or not — you decide. Real harm oxybenzone causes RAthe development of corals, fishes and sea urchins.Sunscreen don’t need rastertolabel sunscreen product is best applied using a tapping motion with a thick layer. When applying the usual massage the palm of your hand washed up to 25% of the product. The skin should be evenly covered with sunscreen product, and is easier to do this by creating a thick layer — so you avoid gaps. For example, Japanese researchers suggest to apply sunscreen in two layers, making a break to soak in a few minutes. The official recommendation from the American Management on sanitary inspection behind quality of foodstuff and medicines — apply 2 ml of product per 1 square centimeter of skin. About half a teaspoon. Full and about seven teaspoons (35 ml) on average will need to the body.With SPF impossible sagarminaga result not to, but gradually to get a tan, because no sunscreen product protects the skin 100%. A product with SPF 15 blocks approximately 93% of solar radiation, SPF 30 — 97%, and SPF 50 is 98%. It means that you not only sunbathe, but also receive the ultraviolet radiation is inevitable.The sun heals cousances not a cure, and tightens the skin. Ultraviolet light increases the sebaceous glands (in fact, a defensive reaction) and leads to hyperkeratosis. In the result it seems that the rash was visually smaller. In addition, the tan lined skin. A few weeks after the holidays exacerbation of inflammation — a normal thing.Sunbathing can only open part telav this is the truth. To tan (or burn) you can only open part of the body, but the fabric transmit ultraviolet rays and the body still is exposed. The fact that all of the melanocytes are interconnected and constitute a single system, sending each other signals about getting a UV light. So to sunbathe, for example, only the feet is not a good idea. That’s why skin cancer or melanoma can appear on the usually closed areas of the body, as UVA and UVB damage the DNA in skin cells, causing genetic defects or mutations — this is according to experts Fund for the fight against skin cancer. Daria Bogomolova
