GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Peptide Therapy for Anti Aging, Immunity & Wellness Miami Stem Cell 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK We've been talking a lot about GHK Cu, but there's always more to learn. Most people think of it as a hair and skin peptide and this is true. But there is What is GHK Cu Collagen and Elastin Support Neurogan Health