What is a tan?
Speaking about what is tan, it should be said that this is the effect of darkening of the skin under the action of ultraviolet radiation. Interacting with radiation, the skin produces melanin, which accumulates in it and causes darkening. A beautiful, steady tan comes as a result of repeated exposure of the skin to ultraviolet light.
A small tan is beneficial to the body, since in the process of its formation vitamin D3 is produced enhancing immunity. However, excessive tanning can lead to negative effects - burns, premature aging of the skin and even skin cancer. Therefore, sunbathing should be with extreme caution.
Nowadays, you can get a tan naturally in the sun and artificially in a solarium. The only difference between them is that the tanning time in the solarium is dosed, and the radiation has a spectrum more favorable for the body.
Lately fashioned instant, artificial tan. So what is instant tan? This is an imitation of sunburn, which is made by applying to the body a spray with a cane extract that colors the skin in tan color.At the same time, melanin production does not occur and there is no beneficial effect of tanning or negative.
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