GHK Cu: The Glow Peptide Supporting Skin, Hair, and more What is GHK Cu and Why is Everyone Talking About It? GHK Cu (Copper Peptide) is a powerful, naturally occurring compound in the body that plays a key role in skin health GHK Cu: The Glow Peptide Supporting Skin, Hair, and more GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Copper Peptide: The Ultimate Peptide For Longevity GHK Cu, peptide (glycyl L histidyl L lysine copper) is a naturally occurring copper peptide with a wide range of biological effects, especially noted for skin, healing, anti aging, and regenerative