GHK Cu Repairing Serum 30ml SumaNurica Cellixa Labs Think of GHK Cu as your skin's reset signal It's a naturally occurring copper peptide that tells your skin to: produce more collagen Instagram 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 GHKCu Day 1: Starting a Skin & Hair Repair Journey