The appearance of the skin tanning due to the fact that under ultraviolet light induces the production of melanin, which is the source of tanning. The tan color depends on the melanin pigment. It can be Golden, bronze, chocolate, reddish. When there is insufficient production of melanin, the skin does not change.
The sun is not only a means for obtaining suntan, but also a source of good mood. Under the influence of sunlight normalizes the circulation of blood, strengthens bone tissue (bones, teeth), aktiviziruyutsya hormonal system.
But excessive sun exposure causes early aging of the skin, appearance of age spots and freckles, weakens the immune system, increases the predisposition to cancer of the skin (melanoma).
Different skin types react differently to UV rays. For example, the owners of dark skin fairly quickly get beautiful and even tan, the burn happens very rarely (intensive exposure). But people with fair skin type (blonde, redheads) short stay under the rays can easily get a sunburn. Usually, such people redness of the skin, which soon disappears and the skin remains pale.
To reduce the sensitivity of the skin is recommended before sunbathing to eat foods high in vitamin C and PP (blackcurrant, Kale, lemon, apples, green onions).
You should not use before going to the beach or Solarium cosmetics, as its constituent substances have a negative effect on the skin and lead to the formation of age spots. Also absolutely contraindicated the use of perfumes because the essential oil under the influence of rays cause inflammation on the skin.