Copper Peptides Serum for Face 2% GHK CU & 4% EGF We are obsessed with GHK Cu, the skin healing, collagen stimulating copper peptide that works from the inside out., This medical grade peptide helps calm inflammation, smooth fine lines, restore This peptide reverses aging And it's been hiding in plain sight for decades. GHK Cu (Copper Peptide) is one of the most researched anti aging ingredients out there. Here's what it does: Boosts Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule