PSA] Finally, a Dr. explains the mechanism behind the "copper uglies" : r SkincareAddiction A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend Can You Mix Retatrutide With GHK Cu? Risks and UK Guidance 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 People are turning themselves into lab rats': the injectable peptides craze sweeping the US Well actually The Guardian