The Nioxin System 4 Kit is a three-piece hair care set designed for colored hair with progressed thinning. It includes a 10.1 oz cleanser shampoo, a 10.1 oz scalp therapy conditioner, and a 3.38 oz scalp and hair treatment. Together, these products help cleanse the scalp, strengthen hair, and provide a thicker, fuller look.

The kit features Nioxin's advanced formula that removes follicle-clogging impurities while delivering essential nutrients to the scalp. The cleanser shampoo prepares the scalp for the conditioning treatment, while the scalp therapy conditioner adds moisture and resilience. The lightweight scalp and hair treatment completes the regimen by targeting the hair density.

Ideal for daily use, this unisex set is suitable for those looking to maintain vibrant color while addressing thinning hair. For best results, use the three steps together as part of your regular hair care routine. This kit offers a convenient and effective solution for healthier-looking hair.