Peptides: The growing W E L L N E S S trend that everyone is talking about! You may have heard about BPC 157 and GHK Cu two peptides gaining attention in Ever heard of GHK Cu peptide? It's a naturally occurring copper peptide that helps repair tissue, stimulate collagen, and support skin healing. When used in injectable form, it works at a deeper level GHK Cu 50mg 10mL Vial: Automatic Refills Celia Health Amazon.com: Copper Peptides Serum for Face Peptides Collagen Renewal & Anti Aging Serum GHK Cu, EGF, Hyaluronic Acid,Collagen Anti Wrinkle, Firming, Moisturizing Korean Skin Care,25mL 0.88 Fl Oz : Beauty & Personal Care