NIOXIN Scalp + Hair Thickening System 1 — Full-Size 3-Month Kit for Natural Hair with Niacinamide & Biotin

Nioxin Scalp + Hair Thickening System 1 is a three-step salon-grade kit designed to strengthen strands, refresh the scalp and create the appearance of fuller, denser natural hair with light thinning.

Built on a skin-care-inspired approach to scalp health, this full-size System 1 regimen includes a cleanser shampoo, a lightweight scalp therapy conditioner and a non-rinse scalp & hair treatment. Formulated with niacinamide and biotin and clinically and dermatologically tested, the kit targets breakage and follicle-clogging residues to help hair look thicker and feel more resilient when used as directed.

How does Nioxin System 1 reduce breakage and improve texture?

The three products work together to remove sebum and environmental build-up, balance moisture, and reinforce hair against mechanical stress. ingredients like biotin and niacinamide support stronger strand structure while the regimen's cleansing and conditioning steps maintain scalp balance.

• Step 1: Cleanser Shampoo clears excess oil, debris and follicle-clogging residues.
• Step 2: Scalp Therapy Conditioner provides lightweight hydration and increases strand resilience.
• Step 3: Scalp & Hair Treatment adds volume and refreshes the scalp without rinsing.
• Regular use helps reduce hair loss due to breakage and enhances texture for fuller-looking hair.

What results can I expect and how quickly will I notice a change?

Individual outcomes vary, but many users report visible improvements in hair fullness and texture within about 30 days of consistent use. The system is formulated to deliver cumulative benefits—cleaner follicles, stronger strands and improved scalp condition—that become more noticeable over weeks.

• Initial scalp refresh and renewed texture after the first few uses.
• Stronger feel and reduced breakage with ongoing weekly use.
• Visible increase in fuller appearance reported by users in approximately 30 days.

Is System 1 suitable for my hair type and daily routine?

System 1 is tailored for natural, untreated hair experiencing light thinning—meaning hair that hasn’t been chemically processed or altered. The lightweight formula fits into most wash-day routines and complements additional Nioxin Intensive Care products if extra support is desired.

• Best for natural, untreated hair with fine to medium texture and light thinning.
• Designed for regular shampoo/condition cycles; apply treatment without rinsing.
• Compatible with styling products and salon services that do not chemically alter hair.

How do I use the three steps for best results?

Follow the labeled sequence: cleanse, condition, then treat. Each step has a focused purpose—removing residue, restoring moisture balance and revitalizing the scalp—so consistent application as instructed gives the best chance of thicker-looking hair.

• Step 1: Massage Nioxin Cleanser Shampoo into scalp and hair, then rinse thoroughly.
• Step 2: Apply Scalp Therapy Conditioner from scalp to ends, leave briefly and rinse.
• Step 3: Shake the Scalp & Hair Treatment and apply directly to the scalp; do not rinse.

Who is this for: Nioxin System 1 is aimed at people with natural, unprocessed hair who notice light thinning and want a salon-formulated approach to scalp health and fuller-looking hair. It suits those seeking a non-invasive, topical regimen to reduce breakage, refresh the scalp and amplify hair texture when paired with regular use and proper styling care.

Ingredients

CLEANSER: Aqua, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Cocamidopropyl Betaine, Sodium Citrate, Sodium Xylenesulfonate, Sodium Chloride, Cocamide MEA, Sodium Benzoate, Citric Acid, Salicylic Acid, Mentha Piperita Oil, Mentha Arvensis Leaf Oil, Menthol, Tetrasodium EDTA, Sodium Hydroxide, Methylparaben, Propylene Glycol, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol,Biotin, Lecithin, Niacinamide, Panthenol, Tocopheryl Acetate, Citrus Paradisi Peel Extract, Humulus Lupulus Flower Extract, Urtica Dioica Leaf Extract, CI 42090, Faex Extract, Acer Saccharum Extract, Citrus Limon Peel Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Leaf Extract, Citrus Aurantium Dulcis Fruit Extract, Potassium Sorbate CONDITIONER: Aqua, Cetyl Alcohol, Stearamidopropyl Dimethylamine, Quaternium-18, Stearyl Alcohol, Bis-Aminopropyl Dimethicone, Hydroxyethylcellulose, Phenoxyethanol, Benzyl Alcohol, Cetearyl Alcohol, Mentha Piperita Oil,Mentha Arvensis Leaf Oil, Menthol, Glyceryl Stearate, Oleyl Alcohol,Methylparaben, PEG-2M, Propylparaben, Polysorbate 60, EDTA, Propylene Glycol, Citric Acid, Limonene, Camellia Sinensis Leaf Extract, Silica, Cystine Bis-PG-Propyl Silanetriol, Biotin, Lecithin, Niacinamide, Panthenol, Tocopheryl Acetate, Citrus Paradisi Peel Extract, Humulus Lupulus Flower Extract, Urtica Dioica Leaf Extract, Faex Extract, BHT, Acer Saccharum Extract, Citrus Limon Peel Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Leaf Extract, Citrus Aurantium Dulcis Fruit Extract, CI 42090, Potassium Sorbate, Sodium Benzoate HAIR & SCALP TREATMENT: Aqua, Niacinamide, Caffeine, Phenoxyethanol, Sodium Benzoate, Benzyl Alcohol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Polysorbate 60, Polysorbate 80, Acetamide MEA, Triethanolamine, Propylene Glycol, PEG-23M, Tetrasodium EDTA, Methyl Nicotinate, Parfum, PEG-30 Dipolyhydroxystearate, Mentha Piperita Oil, Mentha Arvensis Leaf Oil, Menthol, Trideceth-6, Camellia Sinensis LeafExtract, Limonene, Silica, Cystine Bis-PG-Propyl Silanetriol, Biotin, Lecithin, Tocopheryl Acetate, Citrus Paradisi Peel Extract, Humulus Lupulus Flower Extract, Urtica Dioica Leaf Extract, Faex Extract, Acer Saccharum Extract, Citrus Limon Peel Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Leaf Extract, Citrus Aurantium Dulcis Fruit Extract, Potassium Sorbate