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 Copper Peptide GHK Cu Tripeptide 1 PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction GHK CU 50mg Vial Copper Peptide Pure Bio Labs Peptide Injection Treatments Benefits & Uses Hubmed