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Nioxin System 5 Cleanser Comparison - April 2026
| 1 Best Choice  9.7Exceptional | 2  9.4Excellent | 3 Best Value 9.2Excellent | 4 8.9Very Good | 5  8.8Very Good | 6 8.7Very Good | 7  8.5Good |
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ModelNioxin Scalp + Hair Thickening System 2 Shampoo| For Natural or Untreated Hair with Progressed Thinning| With Niacinamide and Biotin| 33.8 Fl oz. | Model Nioxin System 4 Shampoo & Conditioner Prepack | For Color or Damaged Hair with Progressed Thinning | With Niacinamide and Biotin | Pumps Included | 33.8 Fl oz. | Model Nioxin Scalp + Hair Thickening System 2 Shampoo| For Natural or Untreated Hair with Progressed Thinning| With Niacinamide and Biotin| 33.8 Fl oz. | Model Nioxin System 4 Shampoo & Conditioner Prepack | For Color or Damaged Hair with Progressed Thinning | With Niacinamide and Biotin | Pumps Included | 33.8 Fl oz. | Model Nioxin Scalp + Hair Thickening System 2 Shampoo | For Natural or Untreated Hair with Progressed Thinning | With Niacinamide and Biotin | 16.9 Fl oz. | Model Nioxin Scalp + Hair Thickening System 2 Shampoo | For Natural or Untreated Hair with Progressed Thinning | With Niacinamide and Biotin | 16.9 Fl oz. | Model Nioxin System 4 Scalp + Hair Shampoo | For Colored or Damaged Hair with Progressed Thinning | With Niacinamide and Biotin | 16.9 Fl oz. |
BrandNIOXIN | Brand NIOXIN | Brand NIOXIN | Brand NIOXIN | Brand NIOXIN | Brand NIOXIN | Brand NIOXIN |
Reviews | Reviews  | Reviews | Reviews  | Reviews | Reviews | Reviews |
Features | ||||||
Worth the money 8.9 | Worth the money 8.9 | Worth the money 8.9 | Worth the money 8.6 | Worth the money 8.4 | Worth the money 8.1 | Worth the money 8.6 |
Aroma 9.1 | Aroma 9.1 | Aroma 9.1 | Aroma 8.6 | Aroma 8.6 | Aroma 8.4 | Aroma 9.1 |
Tech Specs | ||||||
product dimensions0.26 x 0.19 x 0.79 inches 2.11 Pounds | product dimensions 9 x 3 x 11 inches 4.59 Pounds | product dimensions 0.26 x 0.19 x 0.79 inches 2.11 Pounds | product dimensions 9 x 3 x 11 inches 4.59 Pounds | product dimensions 2.72 x 2.05 x 9.84 inches; 1.2 Pounds | product dimensions 2.72 x 2.05 x 9.84 inches; 1.2 Pounds | product dimensions 2.72 x 2.05 x 9.84 inches 1.2 Pounds |
Available On | Available On | Available On | Available On | Available On | Available On | Available On   |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1NIOXINNioxin Scalp + Hair Thickening System 2 Shampoo| For Natural or Untreated Hair with Progressed Thinning| With Niacinamide and Biotin| 33.8 Fl oz.
9.1 Aroma8.9 worth the moneyWhy we love it
Reduces hair thinning effectively.
Promotes cleaner, healthier scalp.
Consistent use improves hair retention.
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9.4
2NIOXIN
Nioxin System 4 Shampoo & Conditioner Prepack | For Color or Damaged Hair with Progressed Thinning | With Niacinamide and Biotin | Pumps Included | 33.8 Fl oz.
9.1 Aroma8.9 worth the moneyMain highlights- Thickens the hair: Nioxin System Kit 4 is clinically designed to add thickness and fullness to dry, damaged, color-treated hair with progressed thinning, with visible results in just 30 days.
- Supports scalp health: The advanced formula of Nioxin System Kit 4 gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles, creating a healthier environment for the scalp.
- Reduces hair thinning: By strengthening hair resilience, Nioxin System Kit 4 helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the hair color.
- Nourishes the scalp: Infused with nourishing botanicals, antioxidants, and UV protecting ingredients, this kit's Scalp + Hair Thickening Treatment can nourish and revitalize the scalp, improving its overall health and condition.
- 85% of consumers noticed a thickening effect, 80% noticed an increase in hair density, 80% noticed an increase in hair fullness
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9.2
3NIOXIN
Nioxin Scalp + Hair Thickening System 2 Shampoo| For Natural or Untreated Hair with Progressed Thinning| With Niacinamide and Biotin| 33.8 Fl oz.
9.1 Aroma8.9 worth the moneyWhy we love it
Reduces hair thinning effectively.
Promotes cleaner, healthier scalp.
Consistent use improves hair retention.
Our ranking system
At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
