The Nioxin Night Density Rescue Anti-Hair Loss Treatment is a 70ml night leave-in lotion specially formulated to prevent hair loss. With active ingredients like Oxydine and Caffeine, this treatment is designed for all hair types, particularly for those with thin hair. The product also contains ingredients like Parfum and Aqua to help nourish and hydrate the scalp, promoting healthy hair growth while you sleep. Perfect for those looking to combat hair loss and improve the density of their hair.