§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · JAN-2026● VERIFIED SUBMISSION · PUBLIC RECORD

Home › Lab Tests › Direct Peptides, GHK-Cu

◆ Batch ID · DPS-1905725✓ Verified · Pass

GHK-Cu × Direct Peptides - Lab Test, January 2026

Tested Monday, January 12, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.41%

✓ Excellent

PeptideGHK-Cu

Branddirectpeptides.com

LabHorizon Analytical

↓ Download COA 🔗 Share

Test results

7 data points

Purity

99.41%

Endotoxins

Not tested

Stated qty

100 mg

Tested qty

99 mg

Qty match

99% of labeled · -1%

Batch ID

DPS-1905725

Container

Blue Lyophilized Powder

Tested by

Horizon AnalyticalView profile →

◆ Quantity verification

100 mg→99 mg-1%

About this test

This independent UPLC-MS lab test confirms GHK-Cu 99mg from Direct Peptides at 99.41% purity. The analysis was conducted by Horizon Analytical on January 12, 2026. GHK-Cu is a copper peptide researched for its role in collagen synthesis, wound healing, and skin rejuvenation. A purity level of 99.41% indicates minimal contamination and high-grade synthesis. The full certificate of analysis is available for download on this page.