Cellular Glow Hair Serum 10% GHK Cu + 5% AHK Cu Peptides Copper Peptide 10% GHK CU, 5% AHK CU Peptides Hair Growth Treatment Serum eBay GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health GHK Cu peptides are used to potentially promote hair growth, increase hair follicle size, and improve scalp health, often for conditions like androgenetic alopecia. As a regenerative peptide, GHK Cu is believed to Hair loss drugs: What are the alternatives? Nurtural GHK cu Copper Peptide Hair Regrowth Shampoo for Men & Women Boost Hair Growth Nourish & Revitalize Shop Internationally