Research

GHK-Cu
Anti-Aging Compound

GHK-Cu

A naturally occurring copper tripeptide that promotes tissue remodeling, wound healing, and collagen synthesis. GHK-Cu affects more human genes than any other studied peptide — modulating 31.2% of the human genome.

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70% Collagen Increase vs 50% vitamin C, 40% retinoic acid
31.2% Genes Modulated 4,000+ human genes affected
30-50% Hair Growth Follicle size increase
12 weeks Visible Results Clinical facial study duration
Dosing Information from Research

Research protocols typically use 1–2 mg/day subcutaneously. Topical formulations use 1–10 μg/mL. Studies show effects begin within 2 weeks with optimal results at 12 weeks of consistent use.

Pharmacokinetics

GHK-Cu has a plasma half-life of approximately 30–60 minutes. It is rapidly absorbed subcutaneously and distributes to skin, liver, and lung tissue. Degradation occurs via standard peptidase activity.

How It Works in the Body

After administration, GHK-Cu enters the bloodstream and binds available copper ions. The complex is taken up by fibroblasts and other cells, where it activates copper-dependent enzymes, triggers ECM remodeling gene expression, and initiates collagen/elastin synthesis cascades. It also activates 47 DNA repair genes and suppresses inflammatory cytokines.

Important Notes
  • GHK-Cu is naturally present in human plasma at ~200 ng/mL in young adults, declining with age.
  • Copper is essential for enzyme function but excessive supplementation should be avoided.
  • Effects are dose-dependent with diminishing returns above optimal concentrations.
Safety Profile from Research
What clinical studies report

GHK-Cu has been well-tolerated in clinical studies with no serious adverse events reported. Injection site reactions (mild redness, swelling) are the most common side effect.

Treatment Discontinuation Rates

Less than 5% in the 12-week facial study, primarily due to mild injection site discomfort.

Study Exclusion Criteria

Patients with Wilson's disease (copper metabolism disorder), active skin infections, or known copper hypersensitivity were excluded from clinical trials.

Theoretical Concern — Copper Accumulation Risk

Copper toxicity is theoretically possible with extreme overuse but has not been reported in clinical studies at recommended research doses. Monitoring copper levels is advised in long-term protocols.

Researcher Notes
  • GHK-Cu is one of the most gene-active peptides studied, affecting 31.2% of the human genome.
  • Copper peptide should be reconstituted with bacteriostatic water for research use.
  • Effects on hair follicle enlargement (30–50%) suggest potential applications in alopecia research.
Compound Information
Molecular Weight 403.93 g/mol
Sequence Gly-His-Lys·Cu2+
Formula C14H22CuN6O4
CAS Number 49557-75-7
Purity ≥98%
Form Lyophilized powder (blue)
Storage Requirements
LYOPHILIZED

Store at -20°C for long-term, 2-8°C for up to 6 months.

RECONSTITUTED

Use within 30 days when stored at 2-8°C.

LIGHT SENSITIVITY

Protect from direct light. Blue color indicates copper binding integrity.

Research Status — Where It Stands

GHK-Cu is widely studied in dermatological and wound healing research. Over 100 published studies support its role in tissue repair and gene modulation. Not FDA-approved as a therapeutic; used in cosmetic formulations and research settings.

Published Studies
12-Week Facial Study 2018 71 women

55.8% wrinkle volume reduction vs control, 35.5% wrinkle depth decrease.

Collagen Stimulation Comparison 2018

GHK-Cu produced 70% collagen increase vs 50% for vitamin C and 40% for retinoic acid in thigh skin biopsy studies.

Gene Expression Analysis 2018

Increased expression of 1,942 genes and suppressed 762 genes in human fibroblasts, affecting DNA repair and antioxidant defense.

Frequently Asked Questions
What makes GHK-Cu different from other peptides?

GHK-Cu is unique in its ability to modulate 31.2% of the human genome — more than any other studied peptide. Its copper-binding mechanism provides dual functionality: peptide signaling and copper enzyme activation.

Does the blue color matter?

Yes. The blue color indicates proper copper binding. Loss of color may indicate degradation or copper dissociation.

Can GHK-Cu be combined with other peptides?

Research protocols have combined GHK-Cu with BPC-157 and TB-500 for tissue repair studies, though formal combination trials are limited.

Sources & References
Pickart et al. — GHK Peptide as Natural Modulator of Multiple Cellular Pathways Pickart — Collagen Stimulating Effect of GHK-Cu Pickart & Margolina — Regenerative and Protective Actions of GHK-Cu

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Research Use Only. All products are sold exclusively for laboratory and research applications. They are not intended for human consumption, medical use, or therapeutic application. Certificates of Analysis, batch traceability, and third-party purity testing are provided with every order.

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