Nioxin Scalp + Hair Thickening System 2 Leave On Treatment

Hair Care • Foam

$26

30% Off with code FALL30

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Product Benefits

Delivers visible thickness and fullness to natural hair showing signs of advanced thinning, helping improve the overall look of density and body without weighing strands down
Helps reinforce strands to reduce breakage and improve overall hair resilience with regular use
Supports scalp health by delivering lightweight nourishment, creating an optimal environment for hair to thrive

Expert Review

Designed to work best as the final step in the System 2 3-part system for noticeably stronger, fuller-looking hair.

Size

3.3 fl oz

6.7 fl oz

Packs

1 Pack

2 Pack

3 Pack

Product variants

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Nioxin Scalp + Hair Thickening System 2 Leave-On Treatment is a lightweight, leave-in foam designed to reinforce and volumize fine or naturally thin hair. Tailored for hair that’s normal-to-thick but showing signs of early thinning, this formula helps strengthen hair at the root, protect from breakage, and maintain fuller-looking volume. Applied after washing, it absorbs quickly without residue, supporting the appearance of denser, more resilient strands.

Aqua/Water/Eau, Niacinamide, Phenylbenzimidazole Sulfonic Acid, Caffeine, Polysorbate 20, Benzophenone-4, Phenoxyethanol, Sodium Benzoate, Benzyl Alcohol, PEG-12 Dimethicone, Sodium Hydroxide, Cocamidopropyl Betaine, Acetamide MEA, Propylene Glycol, Tetrasodium EDTA, Methyl Nicotinate, Mentha Arvensis Leaf Oil, Parfum/Fragrance, Polysorbate 80, Polysorbate 60, PEG-23M, Mentha Piperita (Peppermint) Oil, Limonene, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Tocopheryl Acetate, Lecithin, Biotin, Citrus Paradisi (Grapefruit) Peel Extract, Humulus Lupulus (Hops) Flower Extract, Urtica Dioica (Nettle) Leaf Extract, Silica, Citric Acid, Vaccinium Myrtillus Leaf Extract, Acer Saccharum (Sugar Maple) Extract, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum/Sugar Cane Extract/Extrait de canne à sucre, Faex Extract/Yeast Extract/Extrait de levure, Propylparaben, Citrus Aurantium Dulcis (Orange) Fruit Extract, Potassium Sorbate, Maltodextrin, Methylparaben, Ethylparaben, Butylparaben, BHT

To apply Nioxin Scalp + Hair Thickening System 2 Leave-On Treatment, dispense the recommended amount of foam directly onto the scalp, focusing on areas with visible thinning or reduced volume. Gently massage the product into the scalp using your fingertips to evenly distribute and encourage absorption. Do not rinse, this is a leave-in formula designed to be used daily on damp or towel-dried hair after cleansing and conditioning. Style as usual once applied. Regular use is key to achieving and maintaining optimal results.

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