Copper Peptide Hair Growth Mechanism: What Kinds of Hair Loss Can It Improve? Perfect Medical Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum GHK Cu (Copper Peptide) has emerged as one of the most promising regenerative peptides for hair restoration due to its ability to stimulate follicular activity, improve scalp circulation, reduce inflammation, and prolong the GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link