Most people think skincare works at the surface level. But healthy skin function starts much deeper than a temporary glow. GHK Cu is a naturally occurring copper binding tripeptide that is already found Before vs. after 3 months of GHK Cu peptide therapy smoother texture, more even tone, and skin that looks healthier overall. Small peptide, big difference GHK CU 50mg Vial Copper Peptide Pure Bio Labs Peptide Therapy for Anti Aging, Immunity & Wellness Miami Stem Cell GHK Cu Organic Serum Copper Peptide for Anti Aging & Skin Repair