2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Pptido de cobre GHK GHK Cu Tripptido 1 HKH Copper Peptides Serum for Face 38 Caps Anti aging Facial Serum Capsules with Hyaluronic Acid Healthy skin works best when it's supported on every level.interested? Please Read GHK Cu main ingredient It's a copper peptide your body naturally produces when you're young. It plays a key role in GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml)