One of my favorite peptides is GHK Cu. It has made such a dramatic impact on my skin in just one cycle I've been shocked! It supports collagen, healing, and overall skin GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend GHK Cu for Hair Loss: Evidence, Safety, and UK Treatment Options Bolt Pharmacy 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 GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link