GHK-Cu

What Is GHK‑Cu?

GHK‑Cu (Copper Tripeptide‑1) is a naturally occurring tripeptide composed of glycine, histidine, and lysine, complexed with copper ions. First identified in human plasma, it has since been studied extensively for its regenerative and reparative biological activities. GHK‑Cu is considered a signaling peptide with broad influence on cellular processes, particularly in skin, connective tissue, and vascular systems.

Mechanism of Action

GHK‑Cu exerts its effects by binding copper ions, facilitating enzymatic activity and modulating gene expression. It stimulates fibroblast proliferation, collagen and glycosaminoglycan synthesis, and angiogenesis. Additionally, it regulates metalloproteinase activity, reducing tissue degradation while promoting repair. GHK‑Cu has been shown to upregulate genes associated with wound healing, antioxidant defense, and anti‑inflammatory pathways, while downregulating those linked to fibrosis and oxidative stress. Its pleiotropic activity contributes to improved tissue remodeling, reduced inflammation, and enhanced regenerative capacity.

Research & Clinical Data

GHK‑Cu has been investigated in dermatology and cosmetic science for its role in skin rejuvenation, wrinkle reduction, and hair regrowth. Preclinical studies demonstrate accelerated wound healing, improved tissue repair, and protective effects against oxidative damage. Limited clinical trials suggest potential benefits in anti‑aging therapies, scar reduction, and alopecia treatment. Regulatory approval for therapeutic use remains investigational, though cosmetic formulations containing GHK‑Cu are commercially available.

Purity & Quality

Reference‑grade peptide material. Certificate of Analysis available per batch. Regulatory status: investigational, not FDA‑ or EMA‑approved.

Classification & Handling Class: Copper‑binding tripeptide | Source: Endogenous plasma peptide | Administration: Topical or parenteral (investigational) | Storage: 2–8°C refrigerated, protect from light | Regulatory: Not FDA/EMA approved