from £59.99
Third-party tested
GHK-Cu
Copper tripeptide-1: three amino acids holding a copper ion, a staple of skin and collagen research. The copper is why the powder is deep blue.
Strength: 100mg
In stock
£34.99
1
per vial · 35p per mg
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- •100mg strength, supplied as lyophilised powder
- •35p per mg, down to £24.49 a vial on 5
- •99.62% purity by HPLC-UV, lot GHK100-2607
- •Same-day dispatch before 6pm, Royal Mail Tracked 24
Sealed.Cold.Tested.
Lyophilised powder. Store at -20°C, protect from light.
Kept cold
Product information
GHK-Cu (copper tripeptide-1) is the tripeptide glycyl-histidyl-lysine bound to a copper ion. It occurs naturally and is used in skin and connective tissue research. Supplied lyophilised.
- Purity
- 99.62% by HPLC-UV
- Specification
- ≥99% minimum
- Form
- Lyophilised powder
- Strength
- 100mg
- Molecular weight
- 340.38 Da
- Price per mg
- 35p per mg
- Storage
- -20°C, protect from light
- Lot
- GHK100-2607
- Analysed
- 17 Jul 2026
Questions & answers
What is GHK-Cu peptide?
GHK-Cu, sometimes written GHKCu, is copper tripeptide-1. It is a small peptide made of glycine, histidine and lysine, bound to a copper ion, and it is used in skin and collagen research. Ours comes freeze-dried in 50mg and 100mg vials, tested to ≥99%.
Is GHK-Cu the same as copper peptide?
Mostly, yes. "Copper peptide" usually means GHK-Cu. The Cu is the chemical symbol for copper.
How fast will my order arrive?
Order before 6pm and it ships the same day by Royal Mail Tracked 24. Most UK orders arrive the next working day.
How do I track my order?
We email you a Royal Mail tracking link as soon as your order ships.
What purity is GHK-Cu?
GHK-Cu is tested to ≥99% purity by HPLC and supplied as lyophilised powder. You can read the lab report at the top of this page.
How should it be stored?
Store at -20°c, protect from light. Keep it sealed until you mix it. Once mixed, keep it in the fridge.
GHK-Cu price per mg
Every strength we stock, and what each works out at per milligram.
| Vial | Price | Per mg |
|---|---|---|
| 100mgSelected | £34.99 | 35p per mgBest value |
| £23.99 | 48p per mg |
Product detail
What you get
In the vial
GHK-Cu 100mg, supplied as lyophilised powder and sealed. Tested to ≥99% purity by HPLC.
In the box
Your vials, packed cold and sealed, sent by Royal Mail Tracked 24. Delivery details.
With the order
A tracking link by email, and the batch lab report on this page. Returns policy.
GHK-Cu strengths on this page
Every strength ships from the same UK stock, with its own lab report.
About GHK-Cu peptide
GHK-Cu, also written GHKCu, is copper tripeptide-1: three amino acids holding a copper ion. It is a staple of skin and collagen research. We sell it in 50mg and 100mg vials, tested to ≥99% purity.
01
Copper tripeptide-1
Glycine, histidine and lysine bound to copper. That is where the blue tint comes from.
02
50mg or 100mg
Two vial sizes, both freeze-dried.
03
Lab report included
The HPLC result for each batch is on this page.
Storing & handling
How to keep GHK-Cu stable, from delivery to first use.
- 1
Storage
Store at -20°c, protect from light. Keep the vial sealed until you are ready to mix it.
- 2
Reconstitution
Supplied as lyophilised powder. Mix with bacteriostatic water before use.
Shop bacteriostatic water - 3
Purity
Each batch is tested to ≥99% purity by HPLC. The report is at the top of this page.
- 4
After mixing
Once mixed, keep it in the fridge at 2-8°C and away from light.
Read more about GHK-Cu
- GHK-Cu and Collagen: What the Skin Studies Actually MeasuredThe wound models, fibroblast assays and 12-week cosmetic trials behind GHK-Cu skin claims, with the figures each one reported and where marketing goes further.24 October 2026 · 7 min read
- GHK-Cu Research History: From 1973 Plasma Discovery to Gene DataHow GHK-Cu was found in human plasma in 1973, what the Connectivity Map gene studies measured, and which claims the record supports. Sources linked.24 October 2026 · 8 min read
- GHK-Cu Stability and Storage: Why the Copper Peptide Is BlueWhy GHK-Cu powder and solutions are blue, how tightly the copper is held, what the stability data say, and what the bacteriostatic water label states.24 October 2026 · 8 min read
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GHK-Cu 100mg
£34.99