GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous GHK Cu (copper peptide) used topically is one of the most well studied skin repair peptides. Here's how it helps the skin, in practical terms: 1. Boosts collagen & elastin GHK Cu signals your skin Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit GHK Copper Peptide GHK Cu Tripeptide 1