Perhaps the most commonly asked about question when it comes to GHK Cu is THE BURN. Let's learn! @summitrejuvenation The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline 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 Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms What Are GHK Cu Peptides for Skin and Hair Health? GHK Copper Peptide GHK Cu Tripeptide 1