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https://ulurx.com/wp-content/uploads/2026/05/ghk-cu-copper-peptides-cream.png Mugwort Count:BPC-157/TB500 (#60 ct) What a COA Should Include Identity confirmation Mass spectrometry confirming the correct molecular weight (~504 Da for Dihexa) Confirmation that the tested compound matches CAS 1401708-83-5 / PNB-0408 Purity testing HPLC purity — reputable listings claim ~98% or higher An HPLC chromatogram showing a single dominant peak, not a cluster of unresolved peaks Contamination testing Residual solvent analysis (especially relevant given DMSO-based transdermal forms) Heavy metals screening where the supplier provides it How to Verify a COA Is Legitimate Match the batch Copper Peptide Serum for Hair Regrowth & Thinning Hair — Feline Skinscience

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