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Were aware that, despite their efficacy, their presence here could give the appearance of bias
Exposure to UV light and atmospheric oxygen generates reactive oxidative species that convert tryptophan's indole ring into oxidized products (kynurenine pathway derivatives and others)
doi: 10.1016/j.ejphar.2020.173581 82 TeramotoSMiyamotoNYatomiKTanakaYOishiHAraiHet al
"Glutathione as a skin whitening agent: Facts, myths, evidence and controversies." Indian J Dermatol Venereol Leprol
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