The System 4 Kit by Nioxin is a comprehensive 3-step hair treatment system specifically crafted for those dealing with progressed thinning in color-treated or dry, damaged hair. This professional kit includes a shampoo, conditioner, and a leave-on treatment, all clinically designed to address the unique needs of thinning hair. The Scalp + Hair Thickening Treatment is enriched with UV protecting ingredients, ensuring both your scalp and hair are shielded from environmental damage.

Incorporating the System 4 Kit into your hair care routine is straightforward and rewarding. Begin with the shampoo to cleanse and prepare your scalp, followed by the conditioner to restore moisture and resilience. Finish with the leave-on treatment to deliver essential nutrients and antioxidants directly to the scalp, promoting a healthier environment for hair growth. With powerful ingredients like niacinamide, wild mint oil, peppermint oil, and caffeine, this system not only nourishes but also enhances the thickness and fullness of your hair in just 30 days.