GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? GHK Cu Peptides Benefits for Anti Aging Skin Rejuvenation How to Use With Micro Infusion GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Your skin holds a protein called copper peptide and it naturally declines with age. GHK Cu, the star of our RenewMe program, works by replenishing that signal so your body remembers how GHK Cu Peptides Benefits for Anti Aging Skin Rejuvenation How to Use With Micro Infusion GHK Cu Facial Serum Empower Pharmacy