In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega Ghk cu and skin peptides (topical) Skin regeneration and wrinkle reduction Longevity Protocols GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not