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 Peptide Therapy for Pain Management and Healing Core Medical & Wellness 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 The Power of Peptides in Skincare Medik8 Peptide Family Promotes Brain Cell Rejuvenation and Improved Cognition through Peripheral Delivery ACS Omega