This independent HPLC lab test confirms GHK-Cu 100mg from Eternal Peptides at 99.726% purity. The analysis was conducted by Janoshik Labs on January 14, 2026.
GHK-Cu is a copper peptide complex researched for its role in skin health, collagen synthesis, wound healing, and anti-aging applications. A purity level of 99.726% indicates high-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page using verification key KVZHI8UYZM6D.
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