Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution Meet the peptide your skin has been waiting for Studies show that GHK Cu is known for stimulating collagen, improving skin quality, and supporting true cellular regeneration working beneath the surface Ever heard of GHK Cu peptide? It's a naturally occurring copper peptide that helps repair tissue, stimulate collagen, and support skin healing. When used in injectable form, it works at a deeper level GHK Cu Revival Clinic