Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Cu 50mg 100mg Copper Peptide (RUO) Tide Labs Tide Labs GHK Cu (copper peptide) is actually something your body already makes when youre younger which is great, until it slowly starts disappearing., It basically tells your body to repair itself better. Helloskin GHK Cu 1% Triple Peptide Regenerative Serum