My GHK Cu Injection Journey: Youthful Skin, Collagen & Hair Growth 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 Copper Peptide: The Ultimate Peptide For Longevity GHK Cu Copper Peptide: The Ultimate Peptide For Longevity Reduce GHK CU Burn: Tips & Tricks for Injecting Do you know what this little blue injection is? It's called GHK Cu aka the Glow Peptide I've always believed in peptides for skincare, but honestly I never thought about