Copper Peptide Solution, 1% GHK Cu in double Hyaluronic Acid Serum GHK Cu: The Peptide That Supports Healthy Aging GHK Cu (copper peptide) is naturally occurring in the body and plays a role in supporting skin health, collagen production, and tissue repair. As Wholesale GHK Cu Copper Peptide Face Cream for your store Faire GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml) GHK Cu Peptide Serum 30 ml, Copper Peptide Serum with Hyaluronic Acid for Tightening, Collagen Boosting Ghk cu Copper Peptide Chemical Blue To Purple Crystal Powder, Industrial Application at Best Price in Hangzhou Gihi Chemicals Co.,limited