GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? Youve heard of GHK Cu., We didnt stop there., Our formula pairs GHK Cu with its bigger, more targeted brother AHK Cu., GHK Cu helps support follicle health and strand strength., AHK Cu has been GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? Pre order NOW! Copper Peptides True Hair Growth Serum Based on the Anela Protocol Ghk cu Ahk cu 30ml (1 Fl.oz) Etsy GHK Cu + AHK Cu Exosome Hair Serum Follicle Support Derma ProLab Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference