If breakouts occur after starting a copper peptide product, try switching to a different brand with a simpler formulation before concluding copper peptides do not work for your skin
Front Neurosci 12:214 Friedmann Angeli JP, Schneider M, Proneth B, Tyurina YY, Tyurin VA, Hammond VJ, Herbach N, Aichler M, Walch A, Eggenhofer E, Basavarajappa D, Radmark O, Kobayashi S, Seibt T, Beck H, Neff F, Esposito I, Wanke R, Forster H, Yefremova O, Heinrichmeyer M, Bornkamm GW, Geissler EK, Thomas SB, Stockwell BR, O'Donnell VB, Kagan VE, Schick JA, Conrad M (2014) Inactivation of the ferroptosis regulator Gpx4 triggers acute renal failure in mice
Rather from changing your overall body tone, it focuses on surface-level brightness and targeted pigmentation correction
E., Negrn-Ballarte, L
Injectable GHK-Cu: an important caveat Beyond skincare, GHK-Cu is sometimes discussed as an injectable research peptide