Copper peptide questions we get asked all the time How often should you use it? Do you need to avoid the sun? If you're new, start once daily (evenings are great), GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn Just wrapped up a 12 week run with GHK Cuand the results were , Smoother, healthier looking skin (felt tighter, more refreshed) Thicker, stronger hair over time Faster recovery from workouts