GHKCu Copper Peptides: Clinically Proven Collagen & Skin Regeneration Power Scrub a lil Deepa GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care 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.