Nioxin Scalp + Hair Thickening Conditioner System 1 — For Natural Hair with Light Thinning, Niacinamide & Biotin

Nioxin System 1 Scalp Therapy Conditioner is a lightweight, density-protecting conditioner formulated to strengthen and moisturize natural hair with light thinning while promoting a healthier scalp environment.

This professional salon-grade conditioner is the second step in Nioxin's three-part regimen and pairs with the System 1 Cleanser Shampoo and Scalp & Hair Treatment. It blends BioAMP technology with niacinamide, biotin, and botanicals to support hair resilience, reduce breakage, and help hair appear fuller without weighing fine strands down.

How will this conditioner affect my daily hair routine?

System 1 Conditioner is designed for everyday use and integrates seamlessly after shampooing. Apply to the scalp and lengths for 1–3 minutes, then rinse; it helps detangle and condition without heavy buildup so styling stays manageable.

• Use daily after Nioxin System 1 Cleanser Shampoo for best results
• Short 1–3 minute leave-in time for quick routines
• Lightweight formula that avoids weighing down fine, natural hair

What ingredients contribute to thicker, stronger-looking hair?

The formula contains key actives such as niacinamide and biotin alongside Nioxin’s BioAMP complex. These components work to bolster hair structure, help minimize breakage, and maintain moisture balance so strands look denser and healthier over time.

• Niacinamide helps support scalp comfort and surface condition
• Biotin supports hair structure and resilience
• BioAMP technology amplifies hair thickness and tactile fullness

How does this product support scalp health?

Nioxin emphasizes scalp care as the foundation for improved hair appearance. The lightweight conditioner helps maintain moisture balance while leaving the scalp feeling clean and less congested when used as part of the full System 1 routine.

• Formulated to avoid heavy residue that can clog follicles
• Contains botanicals and antioxidants that nourish the scalp surface
• Works with the cleanser to remove impurities and excess sebum

When can I expect visible improvements in hair fullness?

Visible effects vary by individual, but many users report perceivable improvement within weeks when following the complete System 1 program consistently. The conditioner strengthens hair against breakage, contributing to the appearance of fuller hair as strands retain length and density.

• Designed for results as part of the three-step Nioxin regimen
• Helps reduce breakage that can make hair look thinner
• Supports ongoing scalp care to encourage a healthier growth environment

Who is this for: Nioxin System 1 Scalp Therapy Conditioner is aimed at people with natural, untreated hair experiencing light thinning who want a professional, lightweight conditioner that strengthens strands and supports scalp health. It’s suitable for daily use, recommended for those seeking to improve hair resilience and create the appearance of thicker, fuller hair when used with the matching System 1 shampoo and treatment.

Ingredients

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