GHK Cu is one of my personal favorites for a lot of reasons, but I can say without a doubt that it's use effectively stopped and reversed, my receiving hairline. However, there are WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Cu Peptide Regenerative & Cosmetic Research GHK Cu is everywhere right now, but what does the science actually say? Read now: https: bit.ly 4r9Q8mJ This copper binding peptide has drawn attention for its potential role in skin repair, regeneration, and inflammation support.