GHK Cu Copper (1%) Tripeptide Serum with Hyaluronic Acid (1.5%) Face and Scalp Serum FOUNTAIN 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 HAIRgevityPro GHK Cu Copper (1%) Tripeptide Serum with Hyaluronic Acid (1.5%) Face and Scalp Serum FOUNTAIN Divi Scalp Serum (Ingredients Explained)