PRODUCT DESCRIPTION PREPARE THE SCALP AND HAIR for a complete hair thickening treatment with Nioxin System 4 for Color Treated Hair with Progressed Thinning. Thanks to its Pro-Color Shield technology, this professional hair product helps remove sebum, fatty acids and other environmental residue from the scalp and hair. Nioxins derma-purifying shampoo deeply cleanses the scalp and provides thicker, fuller-looking hair. Nioxins SHAMPOO CLEANSER is the first step of a three part Nioxin regimen, designed to strengthen the hair and amplify hair structure. * PROFESSIONAL HAIR AND SCALP CLEANSER SHAMPOO for color treated hair with progressed thinning * MOISTURIZES AND CLEANSES DRY SCALP for chemically treated hair to achieve thicker, fuller looking hair * REMOVES follicle clogging sebum, fatty acids, and environmental residues from hair and scalp with Activ Renewal technology * PREPARE HAIR AND SCALP for a complete hair thickening treatment starting with shampoo cleanser * NIOXIN SHAMPOO CLEANSER is the first step of a three part Nioxin regimen, designed to strengthen the hair and amplify hair structure * Award: Behind the Chair Stylist Choice Winner Favorite Thinning Haircare, 16 consecutive years * For Best Results: Apply to wet hair, gently massage into scalp and hair, lather 1 minute, rinse thoroughly, use daily * Use in combination with Nioxin System 4 Scalp Therapy Conditioner plus Scalp and Hair Treatment * Enroll in Subscribe and Save to ensure you never run out! ABOUT NIOXIN Nioxin is the only salon brand with 25+ years of experience in THINNING HAIR. Nioxin, supported by The Institute of Trichologists, believes SCALP HEALTH is an extension of facial skin and requires the same attention and care.