Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Fraley What's the difference between GHK Cu (copper peptide) as a topical cream vs an injection? In this video I break down: What GHK Cu is and why it's used in anti aging skincare Unlocking the Secrets of GHK Cu: The Revolutionary Peptide for Youthfu