Some people notice their skin looks worse before it improves with GHK Cu. This temporary phase is often called the copper uglies., #skincare, #ghkcu, #skinhealth, #longevity, #peptides Ghk Cu Copper Peptides! We don't gatekeep! #ghkcu #ghkcucopperpeptide #antiaging #beyouthful Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance[v3] Preprints.org Peptide Therapy Black Tie Health