Nioxin System 4 Scalp Revitalizer Conditioner is formulated to address the needs of chemically treated hair that is noticeably thinning. This product works to refresh the scalp environment and provide thicker-looking hair. It is designed to moisturize and condition the hair while helping to remove residue that can clog follicles. Incorporate this revitalizer into your daily hair care routine for optimal results in scalp health and hair fullness.