GLOW Peptide: BPC 157 + TB 500 + GHK Cu for Injury & Tissue Recovery Revolution Health & Wellness Revitalize Your Skin: The Benefits of Copper Peptide for Youthful Glow GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Copper peptides explained what are the differences between copper peptides and GHK CU peptides? What they actually do for the skin in terms of repair and collagen, and what you can and cant mix Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body.