Genesis Homme Spray De ForceWhat if you could spray your way to thicker looking, stronger feeling hair for a full 24 hours? For men who experience some form of weakened, thinning hair, Krastase Paris Genesis Homme Spray De Force Epaississant Thickening Spray does just that, producing an instant volume effect and thickness sensation* with a light hold and non sticky texture that will last from the moment you wake to when your now fuller looking head of hair hits the pillow.