GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B My experience learning about GHK Cu for skin support & recovery Sharing what I personally use not medical advice. Always consult a professional before trying peptides. Curious if anyone else here LVLUP Health GHK Cu 60 Capules JING GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B GHK Cu Peptide Dosage How to Use Copper Peptides, Injections Neurogan Health