Tag: Ultraviolet radiation
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Sun Blocks, Sun-skin Reactions and Atopic Eczema
Sunshine is generally good for you, but adverse reactions occur, and sunbathing can have serious long-term side effects Sun rays The sun rays that cause skin reactions are mostly invisible and in the ultra violet wavelength range: UVA [400nm – 320nm], and UVB [320-290nm]. Fortunately UVC [290-200nm] is filtered out by the ozone layer. However visible…
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Suntan, Psychology and Atopic Eczema
Although sunshine can be good for eczema, suntanning is not recommended A sun tan is created by sunshine darkening melanin, the pigment in skin. Being in the sun can also increase the production of melanin. This is seen as a protective reaction against the harmful effects of too much sunshine. Excessive sunbathing and tanning using artificial…