Let the sea: Rules of tanning for children - Part 8

However, ultraviolet light, which enjoy much more dangerous. The ultraviolet spectrum naturally contains both UVA and UVB. UVA (ultraviolet A) is virtually harmless Strip, is the risk that in the UV region in the case of an overdose. Sonnenfeld said retardants absorb UVB rays that are only harmful effects on the skin cells. But the synthesis of vitamin D occurs only under UV light in the range? - I want to reiterate that for the synthesis of vitamin D. UVB biodozy enough, and is a bit more. Sunscreen does not prevent the penetration of such a small dose of radiation. How to choose the degree of protection? The choice depends on skin type. In accordance with the intrinsic properties of the skin are generally divided into six types of people. First, the type of call Celtic, people with fair skin, often with freckles, blue eyes, blond or red hair.