NIOXIN
Nioxin System 4 Scalp And Hair Thickening Leave-In Treatment For Colored And Damaged Hair With Progressed Thinning 200 Milliliters
Nioxin System 4 Scalp And Hair Thickening Leave-In Treatment For Colored And Damaged Hair With Progressed Thinning 200 Milliliters
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Product features
Product features
Materials and care
Materials and care
Aqua, Phenylbenzimidazole Sulfonic Acid, Niacinamide, Benzophenone-4, Caffeine, Polysorbate 20, Sodium Hydroxide, Benzyl Alcohol, Sodium Benzoate, Phenoxyethanol, PEG-12 Dimethicone, Citric Acid, Cocamidopropyl Betaine, Acetamide MEA, Isopropyl C12-15-Pareth-9 Carboxylate, Tetrasodium EDTA, Propylene Glycol, Methyl Nicotinate, Sodium Chloride, Parfum, Polysorbate 60, Polysorbate 80, Mentha Piperita Oil, Mentha Arvensis Leaf Oil, Menthol, PEG-23M, Camellia Sinensis Leaf Extract, Limonene, Cystine
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- Directly Sourced From USA
- Premium Quality & Authenticity
- 7 Day Easy Return

Product Description
Restore your hair’s natural fullness with the Nioxin System 4 Scalp and Hair Thickening Leave-In Treatment. Specifically engineered for colored, dry, and damaged hair experiencing progressed thinning, this professional-grade serum is an essential final step in your daily hair care routine. The lightweight formula works by removing environmental residue and sebum build-up from the scalp, creating an optimal environment for hair to thrive. Infused with powerful ingredients like niacinamide and biotin, this treatment deeply nourishes the roots to boost hair density and structural strength. Unlike heavy serums, this leave-on treatment absorbs quickly without weighing down your locks, ensuring your hair maintains its body and movement. Designed with Pro-Color Shield technology, it protects your hair color from fading while simultaneously addressing the concerns of dry and brittle textures. By reinforcing each strand, it helps prevent breakage, allowing your hair to look and feel thicker, healthier, and more resilient. Whether you are dealing with chemical damage or natural thinning, this treatment provides the targeted care necessary to revitalize your scalp health and enhance the overall appearance of your hair.
FAQ
Q1. What does the Nioxin System 4 scalp and hair treatment do?
Ans: This leave-in treatment is designed to nourish the scalp and thicken hair strands. It removes environmental residue and sebum build-up while providing essential nutrients to support density and protect color-treated hair.
Q2. Is Nioxin System 4 color safe?
Ans: Yes, Nioxin System 4 is specifically formulated for colored and chemically treated hair. It includes Pro-Color Shield technology to help maintain your color's vibrancy while addressing thinning.
Q3. What hair type is Nioxin System 4 for?
Ans: It is formulated for dry, damaged, or color-treated hair that is experiencing progressed thinning. It focuses on restoring moisture and structural strength to fragile hair.
Q4. Are these products authentic?
Ans: Yes, all products sold at Rudra Retails are 100% authentic USA imports. We source our inventory directly from verified USA suppliers to ensure you receive genuine quality.
Q5. How often should I use this leave-in treatment?
Ans: For best results, apply the treatment daily as part of your Nioxin 3-part hair care routine. Consistent use helps maintain a healthy scalp environment and promotes better hair density over time.