Scalp Serum for Hair Growth with Copper Peptide HAIRLOVE GHK Cu Copper (1%) Tripeptide Serum with Hyaluronic Acid (1.5%) Face and Scalp Serum FOUNTAIN Copper Tripeptide 1 for Scalp Health Divi Scalp & Hair Care GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health Copper TriPeptide 1, A miracle ingredient that helps restore hair growth from the roots. Try KERAGENE Hair Growth Booster serum with GHK Cu aka Copper TriPeptide 1 in its more effective form to accelerate hair