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UV exposure, pollution, smoking, and hormonal fluctuations can all contribute to collagen loss
GHK-Cu (glycyl-L-histidyl-L-lysine copper(II)) addresses ageing through the Nrf2-antioxidant axis targeting the accumulated oxidative damage that produces mitochondrial dysfunction, lipid peroxidation, and inflammatory SASP in post-mitotic tissues
Most side effects are mild to moderate and improve with continued use
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