What is GHK-Cu?
GHK-Cu is a naturally occurring copper-binding tripeptide (Glycyl-L-Histidyl-L-Lysine) first isolated from human plasma in 1973. Native levels decline with age — supplementation has been studied for collagen synthesis, wound healing, and skin barrier restoration.
Mechanism
Activates fibroblasts, signals TGF-β1, modulates inflammatory cytokines, and supports antioxidant defense.
Peer-Reviewed
Over 100 published studies across dermatology, cosmetic chemistry, and regenerative medicine journals.
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We publish a Certificate of Analysis for every batch — including potency, purity, and heavy-metal screening.
Peer-reviewed evidence
Every batch. Every COA.
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