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 Young Goose Blue Peptide Spray Copper Peptide Skincare Routine: How to Layer Peptides Glimmer Goddess Glutathione Benefits, Skin Whitening, Dosage & Side Effects Close up of Blue Copper Peptides GHK Cu in Pipette. Beauty serum for anti aging beauty routine Stock Photo Alamy
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glutathione benefits and side effects SKINHI™ BLUE01 Copper Peptide GHK-CU 1.4% All Over Body Care Size 50ml