GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu LVLUP Health 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. GHK Cu by LVLUP Health 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. GHK Cu Peptides Day 21 Skincare Progress Update TikTok