GHK Cu is a copper peptide your body produces naturally. It signals your skin to rebuild collagen, repair tissue, and fight the inflammation that breaks down your structure faster than you can replace Glutathione is a powerful antioxidant naturally produced by your body. Made up of three amino acidsglutamine, cysteine, and glycineit plays a critical role in protecting cells from damage, Glutathione Precursors Tri Peptide Formula Glycine, Glutamine & NAC Enhanced with Na RALA, Biotin, Selenium, Molybdenum & HEPURE for Efficient Glutathione Production Glutathione and Vitamin C for Healthy Summer Skin Well Wisdom