Blue Copper Peptide Ghk Cu 99% Care Ghk Cu 50mg 100mg vials Cosmetic Ingredient GHK GHK CU and blue copper 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 GHK Cu Peptide Skin Cream Levers.Health 3 Ml 5 Ml 10 Ml Ghk Cu Vial Blue Copper Peptide Face Serum Anti Aging Moisturizing Repairing for Skin Care Serum