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 When Four Peptides Converge: Systems Level Signaling in the Klow Blend by Rakesh Pareek Medium KLOW Peptide: The Gut Skin Connection Explained How To Inject Peptides SQ, IM, IV How, Where, What To Use Browse By Peptide Blends Atlanta & Alpharetta GA