Nioxin's Cleanser Shampoo, System 4 (Color Treated Hair/ Progressed Thinning) offers a tailored solution for individuals with color-treated and thinning hair. It expertly removes sebum, fatty acids, and residue, protecting hair color with Pro-Color Shield technology. Enriched with niacinamide, wild mint oil, and peppermint oil, this formula invigorates the scalp, improving hair health and strength. Antioxidants and UV protectors guard against environmental damage, while the cleanser helps build hair structure for a visibly thicker and fuller appearance. Part of an effective three-step system, it aims to reduce hair thinning and cultivate resilient, vibrant locks.