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Tanning machine ( Tanning) How is the rational use of UVA and UVB rays?

by:Merican     2020-07-06
We must first understand the difference between UVA and UVB rays: UVA is a ray of light wavelengths longer, penetrate ability strong ability, can penetrate the skin surface, under the deep dermis organization, thus basked UVA can form deep skin melanin and persistent. UVB rays is a bigger rays of light intensity, can let the skin melanin, quickly but by UVB rays form melanin persistence is poor, and easy to sunburn. Tanning machine ( Tanning) Light is through professional technology and effective integration of the best proportion of UVA and UVB rays, in effective tan at the same time also ensure the skin doesn't sunburn.
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