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Yet almost no product labels mention it
Historical cosmetic and preclinical data suggest that topical copper peptides may improve hair shaft diameter and reduce shedding, yet controlled, large-scale clinical trials are sparse
Free radicals can cause oxidative stress that damages cells, and as a potent antioxidant, glutathione can neutralize these little tricky devils
Adapted from Douce et al
The reduction in acetaldehyde suggests that GSH may help relieve hangover symptoms
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