Anybody know the correct way of using ahk cu? Do I mix with bac water and inject into abdomen? GHK Cu vs AHK Cu: A Scientific Comparison of These Peptides Peptide Tech THE POWER COMBO: GHK CU + BPC 157 = NEXT LEVEL RESULTS Here's where peptide therapy gets really interesting. GHK CU builds collagen. BPC 157 accelerates healing. But when you combine them? You get exponential results. Cellular Glow Hair Serum 10% GHK Cu + 5% AHK Cu Peptides