Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy 12 weeks in, and my skin has NEVER looked better! GHK peptides are doing their thing. Alright, I need to give you an updateit's been 12 weeks since I started using GHK GHK Cu (copper peptide) is one of the most talked about wellness peptidesand for good reason This naturally occurring peptide has been studied for its potential to support skin quality, hair health, and The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline