NIOXIN Scalp & Hair Thickening System 1 — Trial Size 1-Month Kit with Niacinamide & Biotin, 3-Step Strengthening

Nioxin System 1 is a three-step scalp and hair thickening regimen formulated to strengthen natural, untreated hair with light thinning and deliver thicker-looking strands in about 30 days.

This trial-size, one-month supply from Nioxin targets the scalp and hair shaft with a salon-grade approach: a clarifying cleanser removes sebum and residue, a lightweight conditioner balances moisture and resilience, and a leave-in scalp treatment helps refresh and amplify hair texture. The formula features actives like niacinamide and biotin and is dermatologically tested to reduce breakage-related loss while improving appearance of fullness.

How does this kit improve hair texture and visible thickness?

The System 1 regimen works on both scalp environment and individual strands to create the appearance of fuller hair. Cleansing the scalp lifts residue that can weigh hair down, conditioning restores moisture without heaviness, and the leave-in treatment boosts strand body and manageability.

• Step 1: Cleanser shampoo removes excess sebum, fatty acids and environmental build-up.
• Step 2: Lightweight conditioner increases hair resilience and controls moisture balance.
• Step 3: Leave-in scalp & hair treatment refreshes scalp and adds lift to each strand.
• Key actives include niacinamide and biotin to support scalp and strand appearance.

Will it reduce hair loss from breakage and how quickly will I see results?

Nioxin System 1 focuses on reducing breakage rather than claiming to stop genetic hair loss. Strengthening the hair and clearing follicle-clogging residue helps lower breakage-related shedding, which many users notice as improved fullness within weeks.

• Clinically tested: visible thickening reported by a large portion of users after 30 days.
• Targets breakage by reinforcing hair resilience and protecting strand texture.
• Regular use provides progressively fuller appearance; best results follow the three-step routine.

How should I use the three-step System 1 routine for best outcomes?

Follow the labeled sequence each wash day: shampoo, condition, then apply the leave-in treatment directly to the scalp. Consistency is important—use throughout the month to evaluate changes in density and texture.

• Step 1: Massage cleanser into wet hair and scalp, then rinse thoroughly.
• Step 2: Apply conditioner from scalp to ends, leave briefly, then rinse.
• Step 3: Shake treatment, apply to scalp, do not rinse; style as usual.
• Use on regular wash days; supplement with Nioxin Intensive Care products if needed.

Is System 1 appropriate for my hair type and scalp needs?

System 1 is designed specifically for natural or untreated hair showing light thinning and for people seeking a lightweight, volumizing approach. It’s formulated to refresh the scalp and enhance strand fullness without weighing hair down.

• Best for natural, untreated hair with light thinning and reduced density.
• Suitable when the goal is to minimize breakage-related loss and boost volume.
• Dermatologically tested and backed by a professional salon brand with decades of thinning-hair focus.

Who is this for: Nioxin System 1 trial kit is ideal for anyone with natural (non-chemically treated) hair experiencing mild thinning who wants a salon-grade, three-step routine to strengthen strands, refresh the scalp, and create the look of thicker hair. It’s useful for first-time users who want a one-month trial, those switching from heavier products, or people seeking to incorporate scalp-focused care into their daily styling. If you need solutions for more advanced thinning or specific medical hair loss, consult a clinician and consider Nioxin systems tailored for different hair conditions.

Ingredients

NIOXIN® SHAMPOO: 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 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