Nioxin is proud to present a new line of hair regrowth treatments that serves as a solution for advanced thinning. The Advanced Thinning Collection is a comprehensive range of Treatment and Care products, designed specifically for advanced thinning hair, for both men and women. 2% Minoxidil - clinically proven to effectively help hair growth in women. 5% Minoxidil - clinically proven to effectively help hair growth in men. Optimizing Conditioner helps to minimize the appearance of thinning hair by reducing hair loss due to damage and conditions hair to leave it smooth and manageable.