GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with 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 Injectable Team Wellcore Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum