GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B BEAUTY PEPTIDE DETAILS + TIPS + why this peptide is everywhere right now, GHK Cu (copper tripeptide) goes beyond surface level beautyits naturally found in the body but declines with age. Known Not all copper peptide serums are created equal And this is where a lot of people get confused. You'll see copper peptides on the label and expect amazing results but the Diy Copper Peptide Etsy