GHK Cu Copper Peptide Cream (Prescription) UluRx GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK CU Apollo Peptide Sciences Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK