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. 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? Groupon Customer Reviews4.536 Groupon Ratings4.5Average of 36 ratings81%6%6%3%6%Sort by:Highest RatedTop ReviewersMost RecentMost HelpfulLowest Rated100% Verified ReviewsAll Groupon reviews are from people who have purchased this product. Review requests are sent by email to customers who purchased the product.Earned 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