Matrixyl (palmitoyl pentapeptide-4) targets the same collagen-stimulation endpoint but through a different mechanism and is five amino acids rather than three
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It can be used to brighten the skin and support a clearer, healthier-looking complexion
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Franois-Xavier Maquart Researcher profile: ResearchGate Franois-Xavier Maquarts published work is relevant to the mechanistic foundation of GHK-Cu research, particularly collagen synthesis, fibroblast activity, extracellular matrix remodeling, and matrix metalloproteinase signaling
It's a compound with a well-characterized mechanism, positive animal data, and a cluster of smaller human studies pointing in the right direction