Subcutaneous Injection Sites and Instructions for Safe Self Administration In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega GLOW Mix Peptide Therapy in Florida: BPC 157, TB 500 & GHK Cu Prescription & Medically Supervised Florida Surgery & Weight Loss A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend 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