A clear GHK-Cu research vial on a coloured plaster ledge, with botanicals beside it

About this compound

GHK-Cu is a copper(II) complex of the tripeptide glycyl-L-histidyl-L-lysine, first isolated from human plasma. The copper is coordinated by the histidine imidazole and the peptide backbone, giving the material its distinctive deep blue colour in both powder and solution.

Studied in

Dermal matrix signalling
Fibroblast behaviour
Follicular research

Compound identity

Compound	GHK-Cu
CAS number	49557-75-7
Molecular formula	C14H23CuN6O4
Molecular weight	403.93 Da

Specifications

Purity method: HPLC
Appearance: Lyophilized powder
Solubility: Reconstitute per protocol; see Supplies for diluents.
We don't publish a purity percentage here — that figure is only meaningful tied to the lot you actually receive, so it lives on the lot certificate.

Regenerative

VERDIGRIS

GHK-Cu

Copper-binding tripeptide, studied in dermal matrix research.

What the research targets

Studied in dermal fibroblast models for extracellular-matrix and collagen signalling, and in follicular research.

Supply formats

Single units ship from stock. Cases are back-ordered against the same single-unit price.

Skinni Stick™ is newly released — available alongside the vial on every compound.

Single unit

Sample quantity — one unit.

50 mgVial
PS-6055127-50-MG
On verified account
Skinni Stick™ 50 mgSkinni Stick™New
Single-compound Skinni Stick™. Supplied to verified accounts only.
PS-6055127-PEN-50-MG
On verified account
100 mgVial
PS-6055127-100-MG
On verified account
Skinni Stick™ 100 mgSkinni Stick™New
Single-compound Skinni Stick™. Supplied to verified accounts only.
PS-6055127-PEN-100-MG
On verified account

Case — back-order

Ten of one size, at 10× volume pricing.

Case · 10 × 50 mg
Back-order — 15% off the single-unit price.
PS-6055127-C10-50-MG
On verified account
Case · 10 × Skinni Stick™ 50 mgNew
Back-order — 15% off the single-unit price.
PS-6055127-C10-PEN-50-MG
On verified account
Case · 10 × 100 mg
Back-order — 15% off the single-unit price.
PS-6055127-C10-100-MG
On verified account
Case · 10 × Skinni Stick™ 100 mgNew
Back-order — 15% off the single-unit price.
PS-6055127-C10-PEN-100-MG
On verified account

One-time verification of professional or institutional affiliation. No payment is taken on this site.

Research use only

This compound is supplied exclusively for laboratory research by qualified professionals and institutions. It is not a drug, dietary supplement, or cosmetic, and is not for human or veterinary use. We publish no dosing, administration, or human-use guidance of any kind, and nothing here should be read as a claim about an effect in people.

From the research library

Cited summaries of the published work behind GHK-Cu — what was studied, in which model, and what was measured.

All articles

Regenerative

Matrikines: what the skin matrix says to itself

Collagen breakdown products act as signals, not just debris. The literature on GHK and copper coordination is the clearest worked example.

August 4, 20268 min read