molecular glutathione

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 Cu²⁺ ion at the center Buy More Save More:Triple Pack vitamin B complex injectable Philippines https://m.media-amazon.com/images/I/71ihPmfOdIL._AC_UF350,350_QL80_.jpg GHK-Cu stimulates collagen synthesis in fibroblast cultures and regulates the activity of metalloproteinases — enzymes involved in extracellular matrix remodeling

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Glutathione
Glutathione

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