Revitalize your hair with Kérastase Genesis Anti-Hair Fall Fortifying Serum, formulated for weakened hair prone to falling. This nourishing serum features Edelweiss Native Cells, Ginger Root, and Aminexil to enhance fiber resistance and reduce hair fall. For best results, apply 4 doses to a towel-dried scalp once daily for 6 weeks. Kérastase is committed to sustainability, using recycled materials and achieving carbon neutrality in production since 2019. Care for your hair and the planet with Kérastase.