The System 1 Conditioner from Nioxin is a revitalizing treatment specifically formulated for fine, slightly thinning natural hair. With a capacity of una 1000ml, it deeply nourishes the hair fiber, improving its strength and visible density. This lightweight conditioner helps to combat hair loss, leaving hair soft, voluminous, and easy to manage. Ideal for those seeking una professional care that stimulates scalp health, ensuring a fuller and more vibrant appearance day after day.