GHK-Cu
Copper Peptide GHK-Cu
A naturally occurring copper complex found in human plasma, saliva, and urine. One of the most studied peptides for skin regeneration, collagen synthesis, and anti-aging applications.
Quick Reference
Mechanism of Action
GHK-Cu activates wound healing, stimulates collagen and glycosaminoglycan synthesis, and promotes the production of decorin — a proteoglycan that regulates collagen fiber formation. It also acts as a potent antioxidant and modulates over 4,000 human genes, many involved in tissue remodeling and anti-inflammatory pathways.
Health Claims & Evidence
Stimulates collagen and elastin production
Reduces fine lines and improves skin density
Promotes hair follicle growth and reduces hair loss
Accelerates wound healing
Antioxidant and anti-inflammatory effects
Short-Term Effects
Improved skin hydration and texture within 2–4 weeks of topical use. Wound healing acceleration is rapid.
Long-Term Effects
Sustained collagen remodeling, improved skin density, and reduced photoaging markers with continued use.
Side Effects
Topical: generally well tolerated; rare skin irritation. Injectable: minimal reported side effects at standard doses.
Contraindications
Avoid excessive doses — very high copper levels can be pro-oxidant. Not for use during pregnancy without medical supervision.
Dosage Notes
Topical application is the most common route for aesthetic purposes. Injectable use is more common in anti-aging and systemic protocols.
Sourcing Notes
Available as topical serums from cosmetic suppliers and as injectable research peptide. Topical formulations vary widely in quality and copper chelation stability.
Research Papers
GHK-Cu and skin remodeling
Pickart et al. · Journal of Aging Research · 2015
Copper peptides and hair growth
Uno et al. · Skin Pharmacology and Applied Skin Physiology · 1999
Educational use only. This profile is for informational purposes and does not constitute medical advice. Consult a qualified healthcare provider before beginning any peptide protocol.
Often Stacked With
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