Compounded medications are not FDA-reviewed for safety or efficacy
GHK-Cu (Copper Tripeptide-1): the most evidence-supported peptide in skin science GHK-Cu is glycyl-L-histidyl-L-lysine bound to a copper ion
Prinz, [email protected] These authors have contributed equally to this work Present addresses: Tatsuhi Ishimoto, Kochi National Hospital, Kochi, Japan Yukiyasu Arakawa, Department of Dermatology, Kyoto Prefectural University of Medicine, Kyoto, Japan Secil Vural, Department of Dermatology, Ko University School of Medicine, Istanbul, Trkiye Katherina Siewart, Dermatotoxicology Study Centre, German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Berlin, Germany Rehab Alharbi, Dermatology Department, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers

Analysis thereof is no easy feat, because between the two products in the lineup, were looking at around 70 key actives, plus more than two dozen vitamins, minerals, electrolytes, and other nutrients