GHK Cu is getting a lot of attention right now, and for good reason. This is not just a skin peptide. It's a copper binding tripeptide with documented effects on gene expression, collagen synthesis, Peptides for Gut Health: What the Research Currently Shows Your Health Magazine The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule