GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B The Pen: This is why delivery systems matter. For years, peptide therapy relied on lyophilized vials, manual reconstitution, dilution calculations, and insulin syringes. Every step introduced variables, dosing inaccuracies, contamination risk, peptide GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026) Fraley What's the difference between GHK Cu (copper peptide) as a topical cream vs an injection? In this video I break down: What GHK Cu is and why it's used in anti aging skincare