GHK Cu 50mg 5 Vials Us Chem Labs What is GHK Cu? GHK Cu (glycyl L histidyl L lysine copper complex) is a naturally occurring peptide in human plasma that: Binds copper ions Acts as a biological signalling molecule Plays a role GHK Cu G Lab Peptides GHK Cu 50mg 100mg Copper Peptide (RUO) Tide Labs Tide Labs Curious about GHK Cu? This powerful peptide is known for its skin rejuvenating properties and is often called a "youth molecule". GHKCU helps promote collagen production, improve skin elasticity, reduces fine lines and GHK Cu is getting a lot of attention right now, and for good reason. This is not just a skin peptide. It's a copper binding tripeptide with documented effects on gene expression, collagen synthesis,