Copper Tripeptide-1 (GHK-Cu)
Copper-dependent signaling tripeptide; cosmetic ingredient.
Skin & Cosmetic Research Peptides
GHK-Cu is a copper-chelated tripeptide within the matrikine family, formed from the sequence glycyl-L-histidyl-L-lysine bound to a cupric ion. It is a widely used cosmetic ingredient studied for its role in dermal collagen and elastin synthesis signaling, wound-repair research, antioxidant activity, and skin-barrier research.
This entry (CAS 49557-75-7) and Copper Tripeptide-1 / GHK-Cu (CAS 89030-95-5, catalogue PB-003) are listed as two separate SKUs in both source documents; both are the GHK-Cu complex, filed separately here to match the source material rather than merged.
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Specifications
Documentation & Quality
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Copper-dependent signaling tripeptide; cosmetic ingredient.
Endogenous antioxidant tripeptide; cosmetic ingredient.
Free-acid GHK matrikine tripeptide; cosmetic ingredient.