US
Nioxin

Nioxin Density Defend Texturizing Styling Spray

  • 5.1 fl oz bottle
  • Thickening spray for thin hair, base to ends
  • Peppermint and wild mint leaf oils
  • Silicone free, listed as unscented
  • Damp hair application, then blow dry

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

Our verdict

A thickening spray for thin hair that adds grip, body and all-day hold without weighing hair down. It is a styling product, so fuller hair is a look, not regrowth.

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ASIN: B015NKDPXACategory: Hair Sprays

Overview

People with thin, flat hair get a thickening spray from Nioxin that adds grip and body from roots to ends. Sprayed through damp hair and blow dried, it builds volume and helps hold the style through the day.

Thicker looking hair with grip that makes styling easier is the reason to use it. It stays light enough for natural movement and helps tame frizz. The listing calls it unscented yet names mint oils, and the form is listed as cream.

Who it's for

Fine and thinning hair that falls flat after a blow dry gets body and texture here. Those wanting medical regrowth, or a scent-free product without botanical oils, should check elsewhere.

Pros and cons

Pros
  • Adds visible body and fullness
  • Gives hair grip for styling
  • Light, not weighed down
  • Helps tame frizz
Cons
  • Form listed as cream, sold as spray
  • Unscented label conflicts with mint oils

Performance notes

Fullness comes from coating each strand to add diameter and grip, so hair holds a blow-dried shape. Combing it through damp hair spreads it evenly from base to ends. Blow drying sets the volume that the spray creates.

Specifications

BrandNioxin
Dimensions & fit
Item Weight6.4 ounces
Capacity & performance
Liquid Volume5.1 fluid ounces
Construction & materials
Material Type FreeSilicone free
Included components
Unit Count5.1 Ounce
Other details
Hair TypeThin
Item FormSpray (listed as cream)
Scent NameUnscented
Product BenefitsThickens, volumizes, adds texture and grip
Frizz ControlHelps control frizz
Key IngredientsPeppermint oil, wild mint leaf oil
Enduring StyleAll-day hold

Frequently asked questions

How do I apply Nioxin Density Defend thickening spray?

Shake, spray throughout clean, damp hair from base to ends, comb through for even spread, then blow dry and style.

Does Nioxin thickening spray regrow hair?

The listing makes no regrowth claim. It says it increases hair diameter for a fuller look and protects hair density.

Will Nioxin thickening spray weigh my hair down?

No. The listing says it leaves hair shiny and not weighed down.

Is it silicone free?

Yes, per the spec table.