Bounce Back Better with Peptides for Injury Recovery In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Meet GHK Cu, the peptide designed to help your skin repair itself. From supporting collagen to promoting hair growth, this "Copper Peptide" offers powerful benefits for your wellness routine. Check out the details If your GHK injection site gets irritated try this , 1. Dilute it by adding more water to the syringe , 2. Let it sit until it reaches room temperature , Also, make sure youre rotating injection