Nioxin System 1 Scalp Therapy Conditioner. This lightweight formula helps to improve the health and appearance of the scalp, promoting fuller and thicker-looking hair. It contains a blend of essential nutrients, botanical extracts, and antioxidants that work together to hydrate and strengthen the hair while balancing the moisture levels of the scalp. With regular use, this conditioner helps to detangle and reduce breakage, leaving the hair feeling softer, smoother, and more manageable.