GHK Cu Lily Lune If GHK Cu has ever made you question your life choices mid injection I've been there That burning sensation is common but here's what helped me: Use a inch needle ( 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 Peptide Benefits and Side Effects: What to Expect from Injections My Second Week of GHK CU & NAD+ Injections