GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Food Derived TripeptideCopper Self Healing Hydrogel for Infected Wound Healing Biomaterials Research Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum 2 weeks in on GHK Cu and the glow is REAL. Brighter complexion More even skin tone Less breakouts Softer fine lines Thicker, fuller hair This is just GHK Cu Peptide Progress: Week 3 Results