I've been getting a lot of questions about GHK Cu, so here's a quick breakdown. GHK Cu is a copper peptide that naturally occurs in the body and plays a role in skin repair ENHANCED EXTENDS PEPTIDE PLATFORM WITH TOPICAL GHK CU, FORMULATED UNDER MEDICAL COMMISSION OVERSIGHT Enhanced GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Advanced GHK Cu Face Cream 2400mg 4% Firmer Skin Neurogan Neurogan Health