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Moreno-Jimnez et al., 2019)
Oxidative stress (formulated in Harman's free radical theory of aging) is also thought to contribute to the process
Heat, light, and time degrade peptides independent of any vitamin C issues
[ The second step in GSH synthesis is catalyzed by GSH synthetase (GS)
This is because melanin production continues normally once glutathione levels drop
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