GHK-Cu

Copper Peptide · Copper Tripeptide-1

A copper-binding tripeptide widely used in topical cosmetic formulations and studied for skin remodelling.

Research use only. This compound is sold for laboratory research and is not approved by the FDA for human use. Being listed here does not mean it is approved, recommended, or evaluated for safety or efficacy.

At a glance

Category: Skin & Hair
Half-life: Not characterised
Typical vial sizes: 50 mg · 100 mg

Concentration by water volume

Pure arithmetic: the vial strength divided by the water added. The dose itself comes from your clinician, pharmacy, product instructions, or research protocol — enter it in the calculator below.

Vial	Water added	Concentration	Per U-100 unit
50 mg	1 mL	50 mg/mL	500 mcg
50 mg	2 mL	25 mg/mL	250 mcg
50 mg	3 mL	16.667 mg/mL	166.667 mcg
100 mg	1 mL	100 mg/mL	1000 mcg
100 mg	2 mL	50 mg/mL	500 mcg
100 mg	3 mL	33.333 mg/mL	333.333 mcg

Storage

Lyophilised (unmixed): Cool and dry, protected from light.
Reconstituted: Refrigerate. Copper peptides are light-sensitive.

What people log it against

Outcomes users commonly track alongside this compound. Listing them is not a claim that it produces them.

Skin appearance
Hair thickness
Scar appearance

Read alongside GHK-Cu

Compounds this one is commonly compared with or mistaken for. Listing a pairing is not a suggestion to use them together.

BPC-157Research use onlyBoth are discussed for tissue repair. GHK-Cu is also widely sold in topical cosmetic products, which involve no reconstitution at all.

References

The figures on this page have not yet been verified against primary literature. Treat them as provisional and confirm against a primary source before relying on them.

Run your own numbers

Enter the dose and concentration from your clinician, pharmacy, product instructions, or research protocol. VialPal handles the math.

Your vial

Peptide in vial

As printed on the vial label

Bacteriostatic water added

How much water you add to the vial

Dose from your instructions

mcg

From your clinician, pharmacy, product instructions, or research protocol. 1000 mcg = 1 mg

Syringe size

Fill in a vial size

Fills in a vial size this compound is commonly sold in. It does not fill in a dose — check the size against your own vial label.

Draw this much

Enter your numbers

Still needed: vial strength, bacteriostatic water, dose. Use the figures on your vial label and the dose from your clinician, pharmacy, product instructions, or research protocol — VialPal handles the math.

Keep this vial. VialPal holds the concentration, counts down the doses left in it, and logs the ones you actually took.

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VialPal does the arithmetic — it does not tell you what to take. Dose decisions belong between you and a qualified clinician.