Rigid flexible nanocarriers loaded with active peptides for antioxidant and anti inflammatory applications in skin ScienceDirect GHK Cu is one of the most talked about peptides for a reason. Known for its role in skin regeneration, collagen production, and hair support, this copper peptide helps your body do what GHK Cu Copper Peptide Hair & Scalp Serum Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application ScienceDirect GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect