The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Glow Peptide Injection: Revolutionizing Skin Rejuvenation Hubmed GHK Cu 50mg Copper Peptide, Packaging Type: Vial at 6500 box in Surat GHK Cu is a copper peptide known for supporting skin repair, collagen production, and overall tissue healing., Traditionally, its taken as an injection but that can come with irritation, bruising, or