Highlights Cleanser and scalp treatment designed to make thinning hair look fuller, thicker, and healthier Product Details COVID-19 guidelines may delay shipping. Thank you for your patience. Options System 1: for fine hair that’s normal to thin-looking System 2: for fine hair that’s noticeably thinning System 3: for chemically treated fine hair that’s normal to thin-looking System 4: for chemically treated fine hair that’s noticeably thinning System 5: for chemically treated medium to coarse hair that’s normal to thin-looking System 6: for chemically treated medium to coarse hair that’s noticeably thinning Nioxin Cleanser and Scalp Therapy Conditioner Duo 1 liter each Specially designed to treat thinning hair, working to make it thicker and healthier Cleanser helps remove sebum and environmental residue Conditioner strengthens hair and helps maintain moisture balance Formulated with proprietary technologies, including Bioamp, Glyco-Shield, and Smoothplex See a full list of ingredients for each product For post-purchase inquiries, please contact customer support. View the Goods FAQ to learn more. Fine Print FINAL SALE; no returns unless defective.Does not ship to PO boxes/AK/HI/Puerto Rico.Warranties offered with select products are valid on US purchases only.Most orders are delivered within 7 business days from the purchase date. Most Canadian orders are delivered within 7-10 business days from the purchase date. Shipping questions?How is the strike-through price determined? Offer is not eligible for our promo codes or other discounts. Groupon Customer Reviews4.8100 Groupon Ratings4.8Average of 100 ratings89%6%2%1%2%This deal doesn't have any written reviews yet.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