Why we burn in the sun
The summer season at most of citizens is associated with rest at reservoir, the river, the lake, the sea or the pool on the seasonal dacha. After long and severe winter which in the majority of regions of the Russian Federation does not please with sunny days the vacationers want to receive everything and at once. Results of such extreme rest the most sad. Skin reddens, becomes covered by bubbles, body temperature increases, skin burns. Why so it turns out and how it to avoid?
Sunshine are subdivided into infrared and ultra-violet. In turn ultraviolet rays divide on And yes Century. Beams And get into the deepest layers of epidermis. Under their influence the unprotected skin can become covered by pigmental spots. Besides, production of collagen and elastin in skin decreases that involves premature wrinkles.
Beams In negatively influence upper layer of epidermis. Skin begins to lose strongly moisture, melanin is intensively produced, reddenings appear. If to be in the sun long time, the upper layer of epidermis will begin to peel off, there will be bubbles which in the subsequent will burst. Body temperature can increase considerably as the solar burn causes the same symptoms, as common burn, for example the ferry or hot water.
Negative consequences can be avoided if to follow the known rules. The time spent under sunshine can be increased gradually. Sunbathing for the first time, it is necessary to limit stay time under direct sunshine up to 5 minutes. Every subsequent time to increase time for 1-2 minutes. In 1 week it is possible to sunbathe no more than 20 minutes. Special means will help to reduce negative impact of ultra-violet radiation on skin and will allow to increase stay time under direct sunshine. People with light skin and fair hair are not recommended to sunbathe without protective cream with factor of 20-30 units. And in the first week of stay on the beach it is necessary to use protective spray or cream with factor of 60 units. Black and dark-haired people can use easier means with protective factor of 15 units in the first week of stay on the beach and 5-10 units in the next days. From 11 to 16 o'clock it is necessary to refuse suntan absolutely. This time, when ultra-violet radiation especially intensively therefore it is better to wait it in the room or in shadow.
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