2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime If you're using GHK Cu and it stings a little (which is common) this one's for you In this reel I'm sharing the small tweaks that have helped me make peptide injections Many people think injecting peptides like BPC 157, GHK Cu, or TB500 directly over a painful area sends the peptide straight into the damaged tissue. But thats not how it works. When you inject GHK CU Cosmetic Dermatologist Dr. Jason Emer