The Dark Side of Visible Light—Oxidative Damage, Aging and More: A Discussion


Recent interest in visible light protection has given rise to a reemerging question: Is visible light harmful to skin? If one considers the basic tenets of toxicology, everything can be toxic at a given dose. So yes, visible light can be harmful. Perhaps the more poignant question would be: To whom is it harmful, and when? Or: Do the benefits of visible light outweigh its potential toxicity?

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