GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health Dr Paul skipped spending thousands of $$$ for injectable peptides. He is spending less than $90 mo with our patch, activating his own GHK Copper Peptides! The changes in his skin and complexion Biossance Squalane + Copper Peptide Rapid Plumping Serum Before and after begins with consistency. Our 10% GHK Cu formula is engineered for deep absorption to support scalp health and visible density.