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Key Points Copper peptides especially GHK-Cu and AHK-Cu are short amino-acid chains bound to copper that activate hair follicle stem cells, extend the growth (anagen) phase, and trigger the Wnt/-catenin signaling pathway
Copper peptides, and in particular GHK-Cu, have become a heavily marketed ingredient for hair, promoted both for everyday thinning and for use around a hair transplant
Over time, this might cause allergic reactions or reduced effectiveness as the body develops antibodies
Everyone wants to have healthy and glowing skin, especially as they age, as it's part of life, so most skin care lovers look for supplements such as glutathione
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