why is my ghk cu not blue GHK-Cu Copper Peptide Wholesale GHK-Cu Copper Peptide Hair &
GHK Cu Copper Peptide Hair & Scalp Serum GHK Cu looks blue in vial but barely blue in syringe normal? : r Peptides GHK Cu Peptide Skin Cream Does colour tone matter? : r PeptidePathways 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
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