GHK-Cu
Glycyl-L-Histidyl-L-Lysine Copper Complex
The regeneration peptide
A naturally occurring copper-binding tripeptide that declines with age. GHK-Cu resets gene expression toward a younger pattern, stimulates collagen synthesis, activates antioxidant defenses, and promotes tissue remodeling across skin, bone, and connective tissue.
Key Benefits
Stimulates collagen synthesis and skin remodeling
Upregulates antioxidant enzymes (SOD, catalase, glutathione)
Promotes wound healing and tissue regeneration
Reduces fine lines and improves skin elasticity
Supports hair follicle growth and thickness
Mechanism of Action
How GHK-Cu works
GHK-Cu operates through broad gene expression reprogramming and copper delivery:
- Gene expression reset — modulates over 4,000 genes, shifting expression patterns toward a younger, regenerative state. Upregulates repair genes while suppressing inflammatory and fibrotic pathways
- Collagen and glycosaminoglycan synthesis — directly stimulates fibroblasts to produce collagen I, III, and V, as well as decorin and glycosaminoglycans that form the extracellular matrix scaffold
- Antioxidant defense activation — upregulates superoxide dismutase (SOD), catalase, and glutathione peroxidase, reducing oxidative damage that accelerates tissue aging
- Copper delivery and metalloenzyme support — delivers bioavailable copper to lysyl oxidase (collagen cross-linking) and cytochrome c oxidase (mitochondrial energy), supporting both structural integrity and cellular metabolism
Your Genetics & GHK-Cu
Genetic variants that affect your response
These SNPs determine how effectively GHK-Cu works for you specifically. A genetic peptide report identifies your variants before you start.
The Ala16Val polymorphism reduces mitochondrial SOD2 efficiency by up to 40%. GHK-Cu upregulates SOD expression, potentially compensating for this genetic deficit in oxidative stress management.
The Sp1 binding site variant affects baseline collagen I production. Carriers with reduced collagen density may see more pronounced benefits from GHK-Cu's fibroblast-stimulating effects.
Affects TGF-beta1 expression levels, which regulate wound healing, fibrosis, and extracellular matrix remodeling. GHK-Cu modulates TGF-beta pathways — variant carriers may have altered healing response curves.
SIRT1 variants affect NAD+-dependent deacetylase activity linked to DNA repair and cellular stress resistance. GHK-Cu's gene expression reprogramming intersects with sirtuin-mediated longevity pathways.
Which variants do you carry?
Upload your DNA data or order a kit to find out.
Evidence & Research
100+
Published studies
Published human or robust animal studies with clear mechanistic rationale
Common Stacks
GHK-Cu is commonly combined with:
Frequently Asked Questions
What is GHK-Cu used for?
GHK-Cu is used for skin rejuvenation, wound healing, hair growth support, and anti-aging. It works by resetting gene expression toward a younger pattern, stimulating collagen production, and activating antioxidant defenses. It's available as injections, topical creams, and serums.
Does genetics affect GHK-Cu response?
Yes. SOD2 variants affect how much you benefit from GHK-Cu's antioxidant upregulation. COL1A1 variants determine your baseline collagen production, influencing visible skin improvements. TGFB1 and SIRT1 variants shape your wound healing and cellular repair capacity. A DNA-based peptide report identifies these factors.
How does GHK-Cu differ from BPC-157?
BPC-157 works primarily through nitric oxide signaling and angiogenesis for acute tissue repair (tendons, gut). GHK-Cu works through broad gene expression reprogramming and copper-dependent enzyme activation for systemic regeneration and anti-aging. They complement each other well in a repair stack.
Learn More About GHK-Cu
Personalize your protocol
Does GHK-Cu match your DNA?
Upload your existing genetic data or order a kit. Your report scores GHK-Cu against your unique genetic profile — CYP metabolism, receptor variants, pathway markers — in minutes.