Kerastase Genesis Serum Fortifiant Hair SerumA daily fortifying serum designed for weakened hair prone to falling due to breakage from brushing. This intensive scalp treatment helps strengthen hair from the root while improving resistance for reduced hair fall and a healthier appearance over time. What It Does Formulated with Aminexil, Edelweiss Native Cells, and Ginger Root, this lightweight, jelly like serum reinforces the scalps natural barrier and enhances the anchoring of hair follicles. It