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⚡ Unlock your hair’s full potential with every wash!
Nioxin System 4 Scalp + Hair Thickening Shampoo is a salon-grade solution designed specifically for dry, damaged, color-treated hair with progressed thinning. Powered by niacinamide, biotin, and salicylic acid, it cleanses the scalp, nourishes hair roots, and visibly boosts hair density and fullness within 30 days, while protecting vibrant hair color and improving scalp health.

















| ASIN | B001390336 |
| ASIN | B001390336 |
| Active Ingredients | Salicylic Acid, salicylic_acid |
| Age Range Description | Adult |
| Best Sellers Rank | #4,436 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #135 in Hair Shampoo |
| Brand Name | NIOXIN |
| Customer Reviews | 4.6 4.6 out of 5 stars (8,639) |
| Department | UNISEX |
| Global Trade Identification Number | 00070018007445 |
| Hair Type | Thin |
| Is Discontinued By Manufacturer | No |
| Item Dimensions | 3.39 x 2.87 x 10.63 inches |
| Item Form | Liquid |
| Item Weight | 2.1 Pounds |
| Item model number | 81629286 |
| Liquid Volume | 1000 Milliliters |
| Manufacturer | Nioxin |
| Manufacturer | Nioxin |
| Manufacturer Part Number | 81629286 |
| Model Number | 81629286 |
| Number of Items | 1 |
| Other Special Features of the Product | Cleansed scalp and thicker, fuller-looking hair |
| Product Benefits | Formulated with a powerful blend of ingredients to help nourish the hair root and strengthen the hair. |
| Product Dimensions | 3.39 x 2.87 x 10.63 inches; 2.1 Pounds |
| Recommended Uses For Product | Professional Salon & Spa |
| Scent Name | Peppermint Oil |
| Suitable Hair Color | All Hair Colors |
| UPC | 070018007445 |
| UPC | 070018007445 |
| Unit Count | 33.8 Fluid Ounces |
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