Absolute GHK cu Stem Cells & Peptide Hair Growth Serum and Shampoo MTS Set : . Dr. Shintre breaks down what it is and why it works. ? A copper based peptide that naturally occurs in your GHK Cu Focal Point Vitality Amazon.com : Truth Guy GHK CU Anti Aging Copper Peptide Serum for Skin & Hair Growth, with Carbon 60 for Fuller Hair, Beard and Lashes Boost Hair Growth & Reduce Aging Effect One GHK Cu Copper Peptide Shampoo Anti Hair Loss Shampoo Promotes New Peptide Labz