Research use only — not for human consumption Batch 24-B released 14.07.26 · UK & EU dispatch within 24h
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Catalogue / Cosmetic & skin / GHK-Cu
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In stock UK dispatch 24h Batch 24-B

GHK-Cu

Copper tripeptide-1 · 340.85 g/mol · CAS 89030-95-5
Buy GHK-Cu copper peptide in the UK. A glycyl-L-histidyl-L-lysine copper complex supplied as a lyophilised powder for laboratory and cosmetic formulation research, HPLC verified with batch COA.
99.4%
HPLC purity
340.85
g/mol
Pass
Mass spec ID
Vial size
Open dosing calculator →

What is GHK-Cu?

GHK-Cu is a naturally occurring copper-binding tripeptide (glycyl-L-histidyl-L-lysine) complexed with copper(II). It is widely studied in dermatological and extracellular-matrix research for its interaction with collagen and metalloproteinase pathways.

Supplied as a deep blue lyophilised powder. Highly hygroscopic — reconstitute promptly after opening and protect from light.

GHK-Cu reconstitution reference

Reconstitute with bacteriostatic water. The table shows the concentration and syringe volume produced by common dilutions of a 50mg vial, for reference when preparing research stock solutions.

Bac water addedConcentration2000 mcg =4000 mcg =
1 ml50 mg/ml4 units8 units
2 ml25 mg/ml8 units16 units
3 ml16.67 mg/ml12 units24 units
5 ml10 mg/ml20 units40 units
Units measured on a standard U-100 insulin syringe (100 units = 1 ml). For other vial sizes use the peptide reconstitution calculator.

Storage & handling

Before reconstitution
Store lyophilised at −20 °C, protected from light. Stable for 24 months or longer in the sealed vial.
After reconstitution
Store at 2–8 °C and use within 28 days. Avoid repeated freeze-thaw cycles; aliquot where possible.

Frequently asked questions

Is GHK-Cu third-party tested?

Yes. Every batch is tested by an independent laboratory for HPLC purity and mass-spectrometry identity. The certificate for the batch you receive is linked on this page before you buy — no account needed.

How should I reconstitute GHK-Cu?

Add bacteriostatic water slowly down the inside wall of the vial, aimed away from the powder, then swirl gently until clear. Never shake. Use the reconstitution calculator to work out the volume for your target concentration.

How long does GHK-Cu last once reconstituted?

Refrigerated at 2–8 °C and protected from light, a reconstituted vial is generally used within 28 days. Unopened lyophilised powder stored at −20 °C is stable far longer.

How quickly does it ship?

Orders placed before 3pm on a working day are dispatched the same day by Royal Mail 24h tracked. EU orders go by DPD, typically 3–5 working days.

Specification
CAS89030-95-5
SynonymCopper peptide GHK-Cu
Mol. weight340.85 g/mol
Residues3 amino acids
FormLyophilised powder
SolventBacteriostatic water
FormLyophilised powder, sterile vial
Storage−20 °C, protect from light
Reconstitution5 mL bacteriostatic water
Stability28 days at 2–8 °C reconstituted
ShippingUK 24h tracked · EU 3–5 days
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Supplied strictly as a laboratory reference material for in-vitro research. Not a medicine, food or cosmetic. Not for human or veterinary consumption, diagnostic or therapeutic use.