Nioxin System 1 Scalp Therapy Conditioner is designed to help you achieve fuller-looking hair. This professional, lightweight conditioner helps to moisturize the scalp and hair, without weighing it down. It is suitable for normal to thin-looking hair, and enhances hair texture and resilience. System 1 is specifically formulated for clients with normal to thin-looking hair; it amplifies hair fullness and provides moisture balance. It is formulated with Professional('™')hair care products designed to help thinning hair and Nioxin's professional('™')hair care products have transformed the lives of people with thinning hair for more than 20 years. Because Nioxin believes that scalp care is the foundation for beautiful hair, they have created Systems designed to optimize scalp and hair health.