Nioxin System 4 shampoo is specially formulated for natural to visibly thinning, chemically treated hair. As part of the Nioxin Hair Care System, this shampoo aims to gently cleanse the scalp and hair while providing balanced hydration. Designed to strengthen hair resilience, improve the texture of fine hair and promote hair density, System 4 shampoo helps create an environment conducive to healthy hair growth. Used regularly in conjunction with other System 4 products, it can help maintain stronger, denser, more resilient hair.

Wet your hair, then apply a small amount of product, making sure to distribute it evenly over scalp and hair. Massage gently, then rinse thoroughly with lukewarm water. Repeat if necessary. For optimal results, complete with Scalp Therapy Conditioner and Scalp Treatment.