Divi Scalp Serum, 0.5 fl oz 15 mL Ingredients and Reviews 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 Copper Peptides (GHK Cu) for scalp + hair On the scalp, they help calm irritation, strengthen the barrier, and create the perfect environment for thriving follicles. On the hair, they boost