GHK Cu, the copper peptide, is a game changing injectable for radiant skin and so much more Here's what it can do: Boost collagen for smoother, firmer skin Anti aging Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare GHK Cu Before and After: See Fine Lines and Wrinkles Fade Fast 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 Revitalize Your Skin: The Benefits of Copper Peptide for Youthful Glow