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 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 Inflammation triggered self immolative conjugates enable oral peptide delivery by overcoming gastrointestinal barriers Science Advances GH peptides + KLOW blend saved my hair. before and after pics. : r tressless