GHK Cu Copper Peptide Cosmetic Grade Copper Tripeptide 1 GHK Cu Copper Peptide Shampoo Anti Hair Loss Shampoo Promotes New Peptide Labz GHK Cu: The BLUE Secret #ghkcu #peptides One of my patients has shared this picture with me as she felt it was odd that this peptide had this very vivid blue colour, while her other peptides had a clear Blue Copper Peptide Ghk Cu 99% Care Ghk Cu 50mg 100mg vials Cosmetic Ingredient GHK GHK CU and blue copper