Copper Peptides: GHK Cu is your skin's built in botox Fatskn Many people are being told to inject peptides like BPC 157, GHK Cu, or TB500 right over the area of pain, thinking it will deliver the peptide directly into the injured tissue. Thats simply not true. Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips Your skin is the largest organ in your body and anti aging is the name of the game! But, GHK cu is treating so much more than just wrinkles, this is for cellular health,