Article
Pigmentation effects of solar‐simulated radiation as compared with UVA and UVB radiation
20 Jun 2008
Abstract excerpt
Different wavelengths of ultraviolet (UV) radiation elicit different responses in the skin. UVA induces immediate tanning and persistent pigment darkening through oxidation of pre-existing melanin or melanogenic precursors, while UVB induces delayed tanning which takes several days or longer to develop and requires activation of melanocytes. We compared the effects of a 2-week repetitive exposure of human skin to...
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