1.ultraviolet A brief call that UVA radiation that has a wavelength 320 to 400 nm in the Sun will be up to 95% of UVA rays pass through the glass of this type. Even though we are in the building and into the deep layer of skin is the dermis; Can press the immune resistance of the skin, an as a result, the body is not able to protect the skin from the emergence and spread of skin cancer.
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