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, Antioxidants: What Are They and What Are the Top Keto Sources? Keto Nutrition The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega Can Diet Alone Raise Glutathione Enough? Unfolding Role of Supplements GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn