Ghk Cu Intra Nasal Spray 50 mg 0.34 oz. Westend Medical Supply Top 3 Areas to Use GHK CU Effectively TikTok GHK Cu (glycyl L histidyl L lysine copper) is a naturally occurring copper peptide in human plasma that declines with age. Known for its reparative and anti aging properties, it stimulates collagen synthesis, reduces inflammation, and improves skin health. 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 GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy GHK CU Copper Peptide SARMs Supplements