7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening. GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK Cu Copper Peptide Skin & Healing Beverly Hills GHK Cu Peptide Therapy Collagen & Skin Renewal Umbrella Labs Announces Documentation And Traceability Update For GHK Cu Copper Peptide GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B