The Kerastase Genesis Serum Fortifiant Hair Serum is a powerful hair treatment designed to promote stronger Thickening and healthier-looking hair. This serum is part of the Genesis range, specifically formulated to address hair fall and breakage concerns. With its lightweight and non-greasy formula, it nourishes the hair and scalp, helping to strengthen the hair fiber from root to tip. The serum works to minimize hair breakage, reduce hair fall, and enhance overall hair resilience, leaving you with revitalized and fortified locks.