Amazon.com: Copper Peptide Hair Serum with Copper Tripeptide 1 Dual Peptide Scalp Treatment plus Licorice Root Extract : Beauty & Personal Care GHK Cu: A copper bound peptide that stimulates collagen and healing. Used for skin repair and anti aging, it may reduce wrinkles, improves hair growth, and boosts metabolism, providing patients with firmer skin and a GHK CU Peptide Drip Gym DripGym Ozark Have you heard of GHK Cu the copper peptide your body is already making? GHK Cu (Glycyl L Histidyl L Lysine Copper) is a naturally occurring tripeptide found in human plasma, saliva, and urine.