GHK Cu Peptide The benefits, side effects, and more [2026] Think of it like building a foundation for your hair. Jeff explains how we use GHK Copper peptides and biologics to give follicles exactly what they need to thrive. It is a more VitalRenew Peptides for Hair Restoration!! The three main peptides for hair restoration include the following: Thymosin Beta 4 subq injection Zinc Thymulin topical GHK cu topical AHK CU + GHK Cu Hair Serum Pro 4800mg Hair Growth Neurogan