Yes taking GHK the beauty peptide can feel a little spicy. Some people are also a lot more sensitive to copper and the sting can linger. Here are some things you can do to help, This content is for If youre using GHK Cu and it stings a little (which is common) this ones for you , In this reel Im sharing the small tweaks that have helped me make peptide injections way more comfortable GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Experiencing itching & burning from your GHK CU peptide injections? Try these to hacks: 1. Use a longer syringe to penetrate deeper into the fat cells. 2. Dilute the copper. Here I Copper Peptide (GHK Cu) 2% Recovery Serum