All GHK-Cu Certificate of Analysis results(2,838 COAs)
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Tested vendor:Zhengzhou Lan Yun Cosmetic Trading All GHK-Cu COAs & research All GHK-Cu results & stats

GHK-Cu 99.7% Purity — Zhengzhou Lan Yun Cosmetic TradingCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.7%
Dose vs label -6.6% Under the labeled dose
Evidence Source archived
Test date
2026-05-25
Testing lab
LabG
Batch / lot
(no batch ID)
Quantity
46.7mg
label 50mg · tested 46.7mg
Endotoxins
—
Assay method
HPLC + mass quantification + endotoxins
Test score
7.0
Label dose
50mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.70% ranks higher than 30% of the 2809 GHK-Cu certificates with a purity result we have catalogued (median 99.81%).

Tested 2026-05-25 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 71% of our catalogued GHK-Cu certificates.

Zhengzhou Lan Yun Cosmetic Trading has 26 certificates in our corpus, including 7 for GHK-Cu at a median tested purity of 99.89%.

Manufacturer
Zhengzhou Lan Yun Cosmetic Trading
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Source

Finnrick

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
50mg
Container
No label / Silver crimp / Blue cap
Catalogued
2026-06-21
Saved source

Saved source document

sha256:00e2abf95b657560… — immutable copy held by TitrateLab

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Related

Other GHK-Cu certificates

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99.4% 2026-08-04
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99.8% 2026-08-03
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99.9% 2026-08-02
Freedom Diagnostics Power Peptides GHK-Cu
99.8% 2026-08-02
Freedom Diagnostics SP Biolabs GHK-Cu
99.7% 2026-08-01
Freedom Diagnostics Oath Research GHK-Cu
99.8% 2026-08-01
Freedom Diagnostics Oath Research GHK-Cu
99.8% 2026-08-01
Freedom Diagnostics STACKHAUS RESEARCH GHK-Cu
99.4% 2026-07-31
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All GHK-Cu results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Zhengzhou Lan Yun Cosmetic Trading or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →