NIOXIN System 1 Shampoo & Conditioner Prepack 33.8 fl oz — For Natural or Untreated Hair, Light Thinning, Niacinamide & Biotin

Nioxin System 1 is a three-step scalp and hair regimen—cleanser, conditioner, and treatment—formulated to strengthen natural, untreated hair with light thinning and create the appearance of fuller-looking hair.

This professional-strength prepack contains Salon-sized 33.8 fl oz pump bottles of Nioxin System 1 cleanser and Scalp Therapy conditioner plus the accompanying thickening treatment. Developed for natural or untreated hair showing early signs of thinning, the kit targets scalp buildup while preserving moisture balance so individual hairs look thicker and resist breakage. The formulas include ingredients like niacinamide and biotin and rely on Nioxin’s Activ-Renewal and AMP technologies to optimize scalp environment and hair texture.

How does this system improve the look of fine or thinning hair?

The three-part regimen focuses on scalp cleansing, lightweight conditioning, and a targeted leave-in treatment to enhance hair body and resilience. By removing excess sebum and residue, the scalp is less likely to trap particles that can weigh hair down, allowing strands to lift and appear fuller. Strengthening components help reduce breakage, so hair maintains density over time.

• Deep-cleansing Activ-Renew technology removes sebum, fatty acids, and residue.
• Lightweight Scalp Therapy conditioner restores moisture without flattening hair.
• Leave-in thickening treatment strengthens strand structure and boosts manageability.
• Niacinamide and biotin support hair resilience and a healthy-looking scalp surface.

What results can I expect and how long will they take?

Individual outcomes vary, but clinical studies and consumer feedback indicate visible improvements in thickness and fullness within several weeks of consistent use. Many users report noticeable change in about 30 days when using the full three-step regimen as directed. Continued use helps maintain the appearance of density and reduces hair fragility over time.

• Visible fuller-looking hair commonly reported within 30 days with regular use.
• Strengthened strands reduce breakage, helping preserve existing hair density.
• Scalp feels cleaner and less weighed down after the first few washes.
• Best results achieved by following all three steps consistently.

How do I use each product in the System 1 kit?

Use the products in sequence: shampoo to cleanse, conditioner to balance moisture and fortify, then apply the leave-in scalp and hair treatment. Pumps are included for the large bottles to simplify dispensing in the shower. Follow the directions on each bottle—massaging the cleanser into a wet scalp, rinsing, applying conditioner mainly to the lengths, and finishing with the treatment applied to the scalp and hair as instructed.

• Step 1: Apply cleanser to wet hair, massage into scalp, rinse thoroughly.
• Step 2: Apply lightweight conditioner from roots to ends, leave briefly, then rinse.
• Step 3: Use the leave-in scalp treatment on dry or towel-dried hair as directed.
• Pumps included for easy, controlled dispensing of 33.8 fl oz bottles.

Is this system safe for colored or chemically treated hair?

System 1 is formulated for natural or untreated hair, but many users with color-treated hair find the cleansing and conditioning steps gentle enough for regular use. If your hair has had chemical services, test a small section first or consult your stylist to confirm compatibility with your specific treatments. For advanced thinning concerns, consider a system tailored to processed hair types.

• Designed for natural, untreated hair—gentle cleansing and lightweight conditioning.
• Color-treated hair may tolerate the system, but perform a patch or stylist check first.
• Alternative Nioxin systems are available for chemically processed hair types.

Who is this for: Nioxin System 1 Prepack is aimed at people with natural, untreated hair who are noticing light thinning or reduced volume and want a salon-sized regimen to improve the appearance of fullness. It suits those who prefer a professional-strength kit with pumps for everyday use and who want to address scalp buildup and strand resilience without heavy conditioners or styling weight.

Ingredients

Shampoo: WATER/EAU, SODIUM LAURETH SULFATE, SODIUM LAURYL SULFATE, COCAMIDOPROPYL BETAINE, SODIUM CITRATE, SODIUM XYLENESULFONATE, SODIUM CHLORIDE, COCAMIDE MEA, SODIUM BENZOATE, CITRIC ACID, SALICYLIC ACID, MENTHA PIPERITA (PEPPERMINT) 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 (GRAPEFRUIT) PEEL EXTRACT, HUMULUS LUPULUS (HOPS) FLOWER EXTRACT, URTICA DIOICA (NETTLE) LEAF EXTRACT, BLUE 1, YEAST EXTRACT/EXTRAIT DE LEVURE, ACER SACCHARUM (SUGAR MAPLE) EXTRACT, CITRUS LIMON (LEMON) PEEL EXTRACT, SACCHARUM OFFICINARUM EXTRACT, VACCINIUM MYRTILLUS LEAF EXTRACT, CITRUS AURANTIUM DULCIS (ORANGE) FRUIT EXTRACT, POTASSIUM SORBATE. Conditioner: Aqua/Water/Eau, Cetyl Alcohol, Stearamidopropyl Dimethylamine, Quaternium-18, Stearyl Alcohol, Hydroxyethylcellulose, Phenoxyethanol, Benzyl Alcohol, Cetearyl Alcohol, Mentha Piperita (Peppermint) Oil, Mentha Arvensis Leaf Oil, Menthol, Glyceryl Stearate, Oleyl Alcohol, Propylene Glycol, Methylparaben, PEG-2M, Propylparaben, Polysorbate 60, Quaternium-80, EDTA, Citric Acid, Limonene, Camellia Sinensis Leaf Extract, Silica, Cystine Bis-PG-Propyl Silanetriol, Biotin, Lecithin, Niacinamide, Panthenol, Tocopheryl Acetate, Citrus Paradisi (Grapefruit) Peel Extract, Humulus Lupulus (Hops) Flower Extract, Urtica Dioica (Nettle) Leaf Extract, BHT, Acer Saccharum (Sugar Maple) Extract, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum/Sugar Cane Extract/Extrait de canne à sucre, Vaccinium Myrtillus Leaf Extract, Faex Extract/Yeast Extract/Extrait de levure, Citrus Aurantium Dulcis (Orange) Fruit Extract, Potassium Sorbate, Sodium Benzoate, Maltodextrin, Blue 1 (CI 42090), Ethylparaben, Butylparaben