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 Copper Peptide Serum GHK Cu + Argireline + Matrixyl 3000 GHK Cu Copper Peptide Skincare Bundle RegenMed Direct If you're looking to level up your skin from within, The Glow might be exactly what you've been missing. This 3 peptide blend: GHK Cu, TB 500, and BPC 157 , works to support skin repair, GHK Cu 50mg