Copper Tripeptide 1 (GHK Cu): The Premier Anti Aging Ingredient for Skincare Formulators Titan Biotech Ltd. GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer 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 Amazon.com: GHK Cu Copper Peptide Serum Anti Aging Face Serum for Skin Firming, Wrinkle Reduction, Hydration & Collagen Boosting, 30ml(1 fl oz) : Beauty & Personal Care Glow Peptide Injection: Revolutionizing Skin Rejuvenation Hubmed Copper Peptides (GHK Cu): Benefits and Side Effects