GHK Cu Copper Peptide Hair Tonic for Fuller Looking Hair 12 Week Supply (30 mL) Baldness Secret: GHK Cu, Consult your nearest dermatologist for this treatment , Hair loss is not just about DHT, sometimes the follicle simply loses its repair signals., One powerful molecule is Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides : . Dr. Shintre breaks down what it is and why it works. ? A copper based peptide that naturally occurs in your Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density.