After a year of using GHK Cu both topically and going deeper than topicals (under my doctor's care), the difference in my skin is not something I have to squint at in good GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B GHK Cu Dosage And Research Protocol The Peptide Guide MOTS c Dosage Protocol: The 4 Injection Cycle, Reconstitution Guide, and the Exact Schedule We Use Perfect B Everything you need to know about GHK Cu WHAT IS IT? A copper peptide your body naturally produces but production drops by 60% by age 60. It's one of the most