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 50 mg LIVV GHK CU Copper Peptide Whipped Tallow Honey Balm with Methylene Blue HealthyDerm GHK Cu Copper Peptide: The Ultimate Peptide For Longevity
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why is my ghk cu blue GHK-Cu Copper Peptide Supplement, Promotes Skin Repair, Reduces Wrinkles