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Click & Collect
Free Click and collect is available at checkout. Orders are ready within 1 hour during opening hours. Store Address: 56 Parer Rd, Airport West, VIC Australia 3042 Phone (03) 9999 5902
Nioxin Scalp + Hair Thickening Leave-On (System 2) is a lightweight, nourishing treatment designed to strengthen natural, uncoloured hair with progressed thinning. This clinically and dermatologically tested leave-on treatment promotes the appearance of thicker, fuller hair by nourishing and protecting each strand from within.
Formulated with a blend of niacinamide, biotin, and caffeine, this treatment helps stimulate hair follicles, nourish the hair root, and strengthen the hair shaft. It enhances hair thickness and fullness while balancing the scalp for a healthier environment that supports hair growth. In addition to adding volume and body, the formula also provides moisture and shine, improving the overall look and feel of your hair. This leave-on treatment is easy to integrate into your daily routine, providing continuous support to promote stronger, more resilient hair.
How To Use Nioxin Scalp Care + Hair Thickening Leave On Treatment (System 2)
- Apply the Scalp + Hair Thickening Treatment directly to the scalp.
- Shake it well before applying directly to the entire scalp.
- Gently massage it in.
- Do not rinse.
Nioxin Scalp Care + Hair Thickening Leave On Treatment (System 2) Ingredients
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
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Aqua SolventsSolvent
The water base that carries and dissolves the other ingredients in most products.
May suitAll hair and skin types.
Worth knowingAlmost always the first ingredient listed in water-based products.
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Phenoxyethanol PreservativesPreservative
Helps keep the product stable and pleasant to use after opening.
May suitAll products that need protecting from spoilage.
Worth knowingA very common, well-studied preservative used at low levels.
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Sodium Benzoate PreservativesPreservative
Helps protect water-based products from spoilage so they stay usable.
May suitAll products that need a preservative system.
Worth knowingOften paired with other preservatives for broad protection.
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Benzyl Alcohol PreservativesPreservative
Helps preserve formulations and can also act as a solvent or light fragrance component.
May suitThose interested in understanding preservative systems or identifying potential fragrance allergens.
Worth knowingBenzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.
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Sodium Hydroxide pH adjusterspH adjuster
Helps control and stabilise the pH of haircare formulations.
May suitThose interested in how product pH affects scalp comfort or hair cuticle behaviour.
Worth knowingIt is used in very small amounts to bring a formula to the desired pH range. Once adjusted, it does not act as a strong alkaline agent in the finished product.
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Cocamidopropyl Betaine Cleansers / surfactantsCleanser / foam booster
A milder co-surfactant that helps cleanse, boost foam and soften the feel of stronger cleansers.
May suitMost hair types, including those wanting a gentler wash.
Worth knowingOften paired with other surfactants to make a formula feel milder.
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Propylene Glycol HumectantsHumectant
Helps hold moisture and carry other ingredients through the formula.
May suitMost hair types as part of a moisturising formula.
Worth knowingA widely used humectant and carrier ingredient.
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Tetrasodium EDTA Chelating agentsChelating agent
Helps bind metal ions in water to improve product stability and performance.
May suitThose in hard-water areas who want shampoos and conditioners to rinse more cleanly.
Worth knowingChelating agents can support formula consistency and help prevent minerals from depositing on the hair or interfering with product texture. They are widely used in many rinse-off and leave-in formulations.
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Limonene Fragrance ingredientsFragrance component
A fragrance component that also occurs naturally in many citrus and plant oils.
Worth knowingA fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
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Tocopheryl Acetate Conditioning agentsAntioxidant and conditioning support
A stable form of vitamin E used to help condition hair and support product stability.
May suitThose looking for added conditioning support or antioxidant benefits in their haircare.
Worth knowingIt is commonly used because it is more stable than pure vitamin E while still offering similar benefits. It appears in many leave-in and rinse-off formulations.
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Citric Acid pH adjusterspH adjuster
Fine-tunes the product pH, which can help the hair surface feel smooth.
May suitMost hair types as part of a balanced formula.
Worth knowingUsually present in small amounts to balance the formula.
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Potassium Sorbate PreservativesPreservative
Helps keep haircare formulas stable by preventing the growth of microbes.
May suitAnyone who uses water-based products that benefit from reliable preservation.
Worth knowingIt is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.
Questions and Answers
Reviews: Nioxin Scalp Care + Hair Thickening Leave On Treatment (System 2)
Written by Christopher On 19/03/2025
1 people found this helpful