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 Blue Copper Peptide (GHK Cu) Guide: Anti Aging Science, Formulation & OEM Amazon.com : AzulBotanicals Copper Peptide GHk Cu & Methylene Blue Infused Whipped Grass Fed Tallow Balm, Fine lines, Wrinkles, Eczema, Acne, Full body Moisturizer, For All Skin (1.7 oz) : Beauty & Personal GHK Cu Peptide Benefits for Skin and Hair LIVV Natural KPV NAD+ GHK Cu Peptide Patch Medical Imaging and Therapeutics
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