The System 1 Conditioner by Nioxin, specially formulated for fine and slightly thinning hair, revitalizes your locks with a una 1000 ml package. This revitalizing treatment deeply nourishes, strengthening the hair fiber and improving its elasticity. Its lightweight texture gently cleanses without weighing down, promoting a fuller and shinier appearance. Ideal for those looking to combat the first signs of thinning while keeping their natural hair healthy, soft, and looking voluminous.