By blocking NNMT activity, it has been investigated for its influence on cellular metabolism
doi: 10.3389/fphar.2021.632295 Received 07 December 2020 Accepted 13 April 2021 Published 10 June 2021 Volume 12 - 2021 Edited by Chiara Bianca Maria Platania, University of Catania, Italy Reviewed by Doreen Schmidl, Medical University of Vienna, Austria Francesca Lazzara, University of Catania, Italy Updates Copyright 2021 Zlatar, Kokot, Vuletic, Masnec, Kralj, Perisa, Barisic, Radic, Milanovic, Drmic, Seiwerth and Sikiric
2020 Nov;91(11):1201-1209
If you have a known copper allergy (sometimes identified through reactions to copper jewelry), patch test any GHK-Cu product on your inner forearm for 48 hours before applying it to your face