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 Copper Peptides GHK Cu Beef Tallow for Skin: Blue Balm with Methylene Blue, Manuka Honey & Vitamin E Natural Face and Body Moisturizer for Mature, Dry & Delicate Skin 2oz GHK CU for Sale Tripeptide 1 3rd Party Tested US Made GHK Cu = hype or real science?, Natural peptide, Declines with age, Strong lab data, But:, Topical = useful for skin and hair, Injectable = for injuries and inflammation , #GHKCu