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GHK-Cu

Copper tripeptide studied for dermal remodeling.

Copper tripeptide studied for dermal remodeling
Purity ≥ 99.8% (HPLC)
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The why

GHK-Cu is a copper-binding tripeptide with a long history in skin remodeling, hair follicle research, matrix synthesis and antioxidant research.

Key ingredients

GHK-Cu 100 mg
Sterile lyophilized powder

Certificate of Analysis

Every lot, tested and documented.

Independent third-party analysis on every GHK-Cu lot by Vanguard Laboratory (A2LA accredited). Purity, quantity, identity, heavy metals, endotoxins and bioburden. The results below are pulled straight from the signed report.

Verified by Vanguard HPLC-UV/VIS ICP-MS USA-shipped

Vanguard Laboratory · Level 3 verified

GHK-Cu

Open signed COA

Lot number

GHK.100.A

Laboratory ID

V260617-22031

Date reported

6/25/2026

Report number

V260617-22 031

Chromatographic purity

>99.80%

Quantity per vial

91.87 mg

Endotoxins (LAL)

Pass - <5.00 EU/mg

Bioburden (USP 61)

Pass - No Growth Detected

Heavy metals (ICP-MS)

Not detected

Signed by

Dustin Newman, Laboratory Director

Values above are transcribed from the Vanguard Laboratory report for lot GHK.100.A. Heavy metals reported as ND (not detected) for arsenic, cadmium, lead and mercury. Open the signed PDF for chromatograms and the full analyte table.

What we test

Purity + identity
>99.80%
HPLC-UV/VIS chromatographic purity against a reference standard.
Quantity
91.87 mg
Confirms the vial holds at least what the label says.
Heavy metals
Not detected
ICP-MS screen for arsenic, cadmium, lead and mercury.
Endotoxins + bioburden
Pass - <5.00 EU/mg
LAL endotoxin assay and USP 61 microbial count screening.