Injectable GHK Cu: Beginner's Guide to Copper Peptide 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 WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect