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 Biotin Peptide Serum Organic Anti Aging & Hair Growth 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 GHK Cu Peptide and Hair Follicle Growth Biotech Peptides