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K18

K18 AirWash Non-Aerosol Dry Shampoo

  • Liquid Volume: 0.1 fl oz
  • Hair Type: Chemically-Treated-Hair
  • Suitable Hair Color: All Hair Colors
  • Item Form: Spray

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

Our verdict

Worth trying if scalp odor and long-term oil balance matter as much to you as the quick refresh, since that is the specific angle this formula is built around.

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ASIN: B0F67KS3K1Category: Dry Shampoos

Overview

K18 AirWash is a non-aerosol dry shampoo spray that uses odorBIND biotechnology and translucent microbeads to soak up oil and neutralize odor at the scalp.

Unlike a traditional aerosol dry shampoo, this one is pump-based, and the brand's claims center on scalp health rather than just a quick oil fix: mediterranean microalgae is said to help balance sebum production over repeated use. The microbeads are described as translucent to avoid the white cast some powder-based dry shampoos leave behind.

  • Non-aerosol spray format
  • OdorBIND odor-control technology
  • Mediterranean microalgae for scalp balance
  • Translucent, residue-free microbeads

Who it's for

Aimed at people who want a dry shampoo that also targets scalp odor and oil over time, and who prefer a non-aerosol pump over a spray can. Less relevant for anyone just wanting the cheapest quick fix between washes.

Pros and cons

Pros
  • Non-aerosol pump application
  • Targets scalp odor, not just oil
  • Concentrated, so less product per use
Cons
  • May feel damp right after spraying

Performance notes

The brand recommends shaking the bottle for at least 5 seconds, then applying one spray per section from 4 to 6 inches away before massaging it in. It notes the spray can feel slightly damp on application, and that a clogged nozzle can be cleared by shaking and reapplying. Because the formula is concentrated, the brand says less product and fewer reapplications are needed.

Specifications

BrandK18
Dimensions & fit
Package Size Name1.6 Fl Oz
Item Dimensions1.3 × 1.3 × 4.7 inches
Capacity & performance
Liquid Volume0.1 fl oz
Age Range DescriptionAdult
Construction & materials
Suitable Hair ColorAll Hair Colors
Material Type FreeWithout Propellant
Included components
Unit Count1.6 fl oz
Other details
Hair TypeChemically-Treated-Hair
Item FormSpray
Scent NameSubtle
Number Of Items1
Product BenefitsNon-aerosol, high-performance formula lasts up to 3 days, highly concentrated so you can go longer between washes.
Recommended Uses For ProductSHAKE WELL. Hold bottle 4-6 inches away from the scalp for even distribution. Section hair and apply 1 spray per section. Massage in or brush & style as usual.
Item HighlightEliminate Odor, Reduce Oil + Sweat, No White Cast Or Heavy Fragrance, Fresh Hair + Scalp For 3 Days
Active Ingredientshyaluronic_acid, lactic_acid

Frequently asked questions

Is K18 AirWash an aerosol dry shampoo?

No, it is a non-aerosol spray, applied with a pump rather than a can.

How close should I hold it when spraying?

The brand recommends applying one spray per section from about 4 to 6 inches away from the scalp.

What if the nozzle clogs?

The brand advises shaking the bottle well and reapplying to clear the nozzle and restore even spray.