Kerastase’s Genesis – Serum Fortifiant Hair Serum reduces hair fall and fortifies weakened strands. Infused with Aminexil, edelweiss native cells, and ginger root, this potent formula strengthens hair and enhances the scalp’s protective barrier.Its lightweight, jelly-like texture ensures easy application and a calming sensation. With consistent use, hair appears visibly stronger and healthier, effectively combating hair fall.