Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum GHK Cu Focal Point Vitality Ghk Cu Shampoo Copper Peptide Hair Growth Best Peptide for Hair Growth Copper Peptide Shampoo Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact : . Dr. Shintre breaks down what it is and why it works. ? A copper based peptide that naturally occurs in your GHK Cu 50mg Particle Peptides