The peptide conversation is shifting. Secretary RFK Jr. recently announced that the FDA plans to move 14 peptides from Category 2 back to Category 1 restoring FDA recognized status and making them GHK Cu: The Copper Peptide for Skin, Hair, and Whole Body Renewal Part of Getting Ready for the Holidays: The combination of Sculptra, a PLLA collagen biostimulator and GHK Cu (copper) peptide is a powerful approach to building collagen and elastin for firmer, plumper, In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega Intermediate Cu(II) Thiolate Species in the Reduction of Cu(II)GHK by Glutathione: A Handy Chelate for Biological Cu(II) Reduction Inorganic Chemistry