Highlights These shampoos and conditioners were formulated for normal, colored, or chemically-treated hair Product Details COVID-19 guidelines may delay shipping. Thank you for your patience. Nioxin Cleanser, Scalp Therapy Conditioner, or Duo (33.8 Fl. Oz.) System 1 For normal hair: light thinning Size: Cleanser shampoo: 33.8 fl. oz. Conditioner: 33.8 fl. oz. Ingredients: Cleanser shampoo Conditioner Made in the USA System 2 For normal hair: progressed thinning Size: Cleanser shampoo: 33.8 fl. oz. Conditioner: 33.8 fl. oz. Ingredients: Cleanser shampoo Conditioner Made in the USA System 3 For colored hair: light thinning Size: Cleanser shampoo: 33.8 fl. oz. Conditioner: 33.8 fl. oz. Ingredients: Cleanser shampoo Conditioner Made in the USA System 4 For colored hair: progressed thinning Size: Cleanser shampoo: 33.8 fl. oz. Conditioner: 33.8 fl. oz. Ingredients: Cleanser shampoo Conditioner Made in the USA System 5 For chemically-treated hair: light thinning Size: Cleanser shampoo: 33.8 fl. oz. Conditioner: 33.8 fl. oz. Ingredients: Cleanser shampoo Conditioner Made in the USA System 6 For chemically-treated hair: progressed thinning Size: Cleanser shampoo: 33.8 fl. oz. Conditioner: 33.8 fl. oz. Ingredients: Cleanser shampoo Conditioner Made in the USA What Are the Best Hair Products for Your Hair Type?We break down the best hair products for every type from straight and fine to color-treated, including the best shampoo, conditioner, and styling products. For post-purchase inquiries, please contact customer support. Sold by Groupon Goods. View the products FAQ to learn more. The Fine Print COVID-19 guidelines may delay shipping FINAL SALE; no returns unless defective Most orders are delivered within 7 business days from the purchase date. Shipping questions? Does not ship to PO boxes/AK/HI/Canada/Puerto Rico How is the strike-through price determined? Customer Reviews4.535 Ratings4.5Average of 35 ratings80%6%6%3%6%Sort by:Most RecentHighest RatedLowest RatedMost HelpfulTop Reviewers100% Verified ReviewsAll reviews are from people who have purchased this product.HHollyTOP REVIEWER10 ratings9 reviewsFebruary 4, 2021Great shampooHelpfulCcasandra.grignon4 ratings4 reviewsJanuary 3, 2021Will buy more for sureHelpfulCcasetx1TOP REVIEWER14 ratings12 reviewsJanuary 3, 2021Nioxin has really helped my thinning hairHelpfulTTracy6 ratings2 reviewsJanuary 2, 2021FantasticHelpfulJJulieHELPFUL REVIEWER4 ratings4 reviewsJanuary 1, 2021This product made my hair look and feel healthy. Before using this product my hair was dry. I highly recommend this product!HelpfulDDianneTOP REVIEWERHELPFUL REVIEWER112 ratings67 reviewsDecember 29, 2020Wanted shampoHelpfulMMarsha5 ratings4 reviewsDecember 29, 2020I depend on Nioxin and having a chance to get it at a good price means a lot to me!HelpfulCCathieTOP REVIEWER16 ratings11 reviewsDecember 29, 2020Great hair product for thinning. New growth is visible.HelpfulSee all reviewsEarned when a user has written 5 or more reviewsWant to earn this badge? Share 3 or more photosEarned when a user has gotten 2 or more helpful votes