GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not 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 Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms