GHK CU 50mg Vial Copper Peptide Pure Bio Labs GHK CU 50MG (Copper Peptide Complex) Lazarus Labs Australia GHK Cu is a naturally occurring copper peptide that declines with age. At 20: abundant. By 60: you have 60% less. What it does: Stimulates collagen and elastin synthesis Promotes wound GHK Cu peptide = one of the most powerful ingredients for skin regeneration It helps improve elasticity, smooth fine lines, and boost that natural glow. Once you start there's no going back Copper Peptide Skincare Routine: How to Layer Peptides Glimmer Goddess