why is my ghk-cu not blue looks in vial but barely blue in syringe — normal? : r/Peptides Your copper peptide product should
Your copper peptide product should be this exact blue. If it isn't, you already have your answer. GHK Cu is blue because of coordination chemistry, not dye. The Cu ion at the center GHK Cu Scalp Solution Empower Pharmacy USA Copper Peptide GHK Cu Powder, DIY Blue Copper for Making the Best Face Cream eBay GHK Cu Copper Peptide Collagen Boost & Skin Regeneration Calibrate IV Copper Peptide GHK Cu: The "Blue Gold" Secret to Skin
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