GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents