GHK Cu Topical vs Injection Which is the Better Copper Peptide Form? BodyPharm GHK Cu My Antidote GHK Cu Injection AgelessRx GHK Cu (Copper Peptide) Argireline Leuphasyl (0.2% 3% 3%) Cream 30mL Valhalla Vitality GHK Cu Copper Peptide Face Cream Anti Wrinkle, Anti Aging Repair & Firming PeptideLabz Peptide Labz The FDA just changed the rules on peptides effective April 15, 2026. BPC 157, GHK Cu, MOTS C, and TB 500 have been removed from the Category 2 restricted compounding list. Here is what