For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

GHK-Cu + HLA Sheet Mask 25ml

by Ion Peptide· batch N/A

99.00 %

measured purity· March 18, 2026

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How this batch compares

This batch measured 99.00%, 0.67 pts below Ion Peptide's average of 99.67% for this peptide over 16 batches, and 0.71 pts below the all-vendor average of 99.71% across 21 COAs from 5 vendors.

98.9% 100.0%
This batch 99.00% Vendor avg (16 batches) 99.67% Peptide avg (21 COAs) 99.71%
Compare pricing

See GHK-Cu + HLA Sheet Mask 25ml pricing across 5 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.