Small molecules. Powerful results. Experience Peptide Power with Hairgenetix's advanced Copper Peptide Hair Growth Serum, formulated with 10% GHK Cu and 5% AHK Cu to support hair health at the follicle level. Helps 6 clinical peptideseach designed to signal your follicles to behave younger, stronger, and more active., GHK cu Stimulates growth by increasing blood flow + collagen, PAL AHK Repairs + AHK Cu Copper Peptide Hair Tonic for Fuller Looking Hair Discovery Size (10 mL) AHK Cu Hair Elixir 4800mg 99% Hair Growth & Scalp Care Neurogan Health