Perhaps the most commonly asked about question when it comes to GHK Cu is THE BURN. Let's learn! @summitrejuvenation Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK Cu Peptides Benefits for Anti Aging Skin Rejuvenation How to Use With Micro Infusion 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper 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