GHK Cu, BPC 157, TB 500, KPV Injectable Peptide KLOW TB 500 10mg BPC 157 10mg KPV 10mg GHK Cu 50mg My Sunday facial before and after..After 18 KLOW injections. I can't get enough of the science behind this!! The peptides I use test at 99% purity. That is as high as a KLOW Peptide Blend Research Vial BPC 157 GHK Cu TB 500 KPV LiveWell Investigating the Mechanisms of a Multi Peptide Research Blend: KLOW Thoroughbred Labs