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GHK-Cu Astral research vial

GHK-Cu

GHK–Cu(II) · Gly-His-Lys–Cu²⁺

A copper-binding tripeptide (Gly-His-Lys) complexed with Cu²⁺. Investigated in fibroblast, dermal-matrix and collagen research models.

Mass

  • 50 mg$27.99In stock
  • 100 mg$47.99In stock

From $27.99Purity 99.88%Third-party tested— View COA

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Specifications

GHK-Cu — Specifications
CAS number89030-95-5
Molecular formulaC14H22CuN6O4
Molecular weight403.93 g/mol
FormLyophilized powder
Purity (latest released COA)99.88% · AST-CU-001
Net quantity50 mg / vial

Handling & storage

GHK-Cu — Handling & storage
GuidanceStore lyophilized powder at −20 °C, protected from light. After reconstitution with bacteriostatic water, store at 2–8 °C and use within 30 days. Every vial ships with a batch-specific Certificate of Analysis.
For laboratory research use only. Not a drug, food, cosmetic or supplement. Not for human or veterinary consumption, diagnosis, or treatment.

Documentation

Certificates of Analysis

Batch-specific, third-party lab certificates. Each COA is published here once its lot has been tested — preview the results, then open the full PDF.

Current released record

AST-CU100-001

Dosage
100 mg
Purity
99.6%
Laboratory
ILS Laboratories
Analyzed
2026-08-10
Open source PDF

Current released record

AST-CU-001

Dosage
50 mg
Purity
99.88%
Laboratory
ILS Laboratories
Analyzed
2026-08-10
Open source PDF

View the compound COA record →

Related peer-reviewed research

  1. GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration. BioMed Research International (2015)
  2. Related copper-free GHK studyStem cell recovering effect of copper-free GHK in skin. Journal of Peptide Science (2012)
  3. The human tripeptide GHK-Cu in prevention of oxidative stress and degenerative conditions of aging: implications for cognitive health. Oxidative Medicine and Cellular Longevity (2012)
  4. Tripeptide-copper complex GHK-Cu (II) transiently improved healing outcome in a rat model of ACL reconstruction. Journal of Orthopaedic Research (2015)
  5. Are We Ready to Measure Skin Permeation of Modern Antiaging GHK-Cu Tripeptide Encapsulated in Liposomes? Molecules (2025)