GHK Cu (Copper Peptide) is a naturally occurring copper complex that decreases significantly as we age. This powerful peptide is known for its ability to upregulate the production of collagen and elastin, making If your goal is better skin not just the temporary glow GHK Cu is your peptide! Stimulates collagen + elastin Improves firmness and elasticity Reduces fine lines + GHK Cu 50mg Copper Peptide Research Grade Midwest Peptide GHK CU Copper Peptide Recovery Peptide Suppstance Epigenetic mechanisms activated by GHK Cu increase skin collagen density in clinical trial EurekAlert!