Visible light. Part II: Photoprotection against visible and ultraviolet light
Cutaneous photobiology studies have focused primarily on the ultraviolet portion of the solar spectrum. Visible light (VL), which comprises 50% of the electromagnetic radiation that reaches the Earth's surface and, as discussed in Part I of this CME, has cutaneous biologic effects, such as pigment darkening and erythema. Photoprotection against VL includes avoiding the sun, seeking shade, and using photoprotective clothing. The organic and inorganic ultraviolet filters used in sunscreens do not protect against VL, only tinted sunscreens do.
Source: Journal of the American Academy of Dermatology - Category: Dermatology Authors: Amaris N. Geisler, Evan Austin, Julie Nguyen, Iltefat Hamzavi, Jared Jagdeo, Henry W. Lim Tags: Continuing medical education Source Type: research
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