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The peptide's wound healing evidence is stronger than its cosmetic evidence, but neither has been validated through the rigorous clinical trials that established treatments like retinoids and vitamin C have undergone
More in peptides GHK-Cu (Copper Peptide): Skin, Hair, and Healing Evidence A measured look at GHK-Cu, the naturally occurring copper peptide, and what early research suggests about its role in skin, hair, wound healing, and aging
The kidneys The kidneys are the main route by which surplus B12 leaves the body
Proceedings of the royal society B
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