GHK Cu (Copper Peptide) Deep Dive: Mechanisms, Benefits, Risks, Forms, & Dosing GHK CU Pure Pharma Australia Dr Tahera explains that the topical version of GHK Cu and how it supports skin repair and rejuvenation. This is the cream based approach. Injectables? We'll cover that next. Because understanding your options matters. The Breakthrough In Haircare, Neuromimetic Peptides Emotion Master