How Often to Inject GHK Cu PeptidesExplorer WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents Everything you need to know about GHK Cu WHAT IS IT? A copper peptide your body naturally produces but production drops by 60% by age 60. It's one of the most Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Cu Injectable Team Wellcore