why is my ghk-cu not blue GHK Copper Peptide | GHK-Cu Copper Peptide Face &
GHK Cu Copper Peptide Face & Neck Serum 1200mg Neurogan Health 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 Copper Peptide Hair & Scalp Serum Ghk cu Peptide Face Serum NEW Cobalt Blue Bottle 2 Oz Etsy
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