what color is ghk-cu GHK-Cu - Peptide for Collagen,
GHK Cu Peptide for Collagen, Healing & Anti Aging RegenMD 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 Crepey Skin Escape 7% GHK Cu Accelerant Skin Perfection 1% GHK Cu Copper Peptides Serum for Face Hair Scalp .5 oz GHK Cu peptide serum + copper peptide serum for face, neck, body & scalp. Blue liquid multi use booster
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