GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Copper Tripeptide Complex for Research VivePeptides 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 GHK Copper Peptide GHK Cu Tripeptide 1 GHK Cu Peptide Dosing PeptidesPower