US
Nioxin

Nioxin System Kit Scalp and Hair Thickening

  • Active Ingredients: Salicylic Acid, salicylic_acid
  • Item Form: Gel
  • Hair Type: Thinning
  • Item Volume: 23.6 fl oz

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A reasonable scalp-care system for natural hair with progressed thinning, provided buyers treat the brand's percentage claims as its own reported figures.

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ASIN: B078YGKR6SCategory: Hair Regrowth Treatments

Overview

Nioxin's System 2 kit is a 3-month, multi-step scalp and hair thickening program aimed at natural, non-chemically treated hair that already shows progressed thinning, built around cleansing the scalp while supporting fuller-looking strands.

The title just says 'System Kits,' but the attribute text is specific: this is System 2, one of several numbered Nioxin systems each matched to a different hair type.

  • System Kit 2 formulation
  • 3-month supply
  • Brand-reported thickening, density and fullness gains
  • UV-protecting, botanical ingredients

Who it's for

People with natural, unprocessed hair who notice early to moderate thinning and want a full scalp-care routine rather than a single topical drug treatment.

Pros and cons

Pros
  • Bundles a full routine rather than one product
  • Focuses on scalp health, not just the strand
  • Brand-reported results within 30 days
Cons
  • System-specific, so the wrong Nioxin number won't suit chemically treated hair
  • Improvement stats are the brand's own reported figures

Performance notes

The kit works by clearing scalp buildup and excess sebum that can clog follicles, while botanical and antioxidant ingredients are meant to nourish the scalp and reduce breakage. Nioxin reports visible thickening within about 30 days, building over the full 3-month kit.

Specifications

BrandNioxin
Dimensions & fit
Item Weight0.002 pounds
Capacity & performance
Item Volume23.6 fl oz
Age Range DescriptionAdult
Construction & materials
Material Type FreeGluten Free
Included components
Unit Count23.6 fl oz
Other details
Active IngredientsSalicylic Acid, salicylic_acid
Item FormGel
Hair TypeThinning
Scent NamePeppermint
Number Of Items1
Recommended Uses For ProductSalon
Item HighlightHair With Light To Progressed Thinning / Strengthen & Boost Hair Density With Niacinamide & Biotin / 3 Month Supply

Frequently asked questions

Is Nioxin System 2 right for color-treated hair?

No, System 2 is formulated for natural, non-chemically treated hair with progressed thinning; Nioxin sells other system numbers for treated hair.

How long is one kit meant to last?

It's sold as a 3-month supply.

How fast are results supposed to show?

The brand states visible thickening within about 30 days, with its density and fullness figures based on consumer surveys.