2x longer hold.¹ Even in high humidity.²

This refill is only for use with your existing Dyson Chitosan™ Post-style serum and should not be used in isolation. Shop our full-size product here.

Hold and hydrate your end style, with instant shine and definition. Dyson Chitosan™ Post-style serum has been developed for use on finished styles on all hair types, to give 2x longer hold¹, without crunch, brittleness or residue. For hair that looks and feels moisturised, soft and smooth. Paraben-free, vegan formulation. 

Dyson Triodetic™ technology, powered by our key ingredient, chitosan, creates flexible, lightweight bonds that support the hair, strand by strand. Our formula protects your style from unwanted frizz, even in high humidity.²

For use on dry, styled hair. Work through the hair with your fingers to smooth, define and enhance your style.

Use alongside Dyson Chitosan™ Pre-style cream to prime and define your styles, with flexible hold.

Benefits:

Flexible all-day hold.
Up to 50% less frizz.¹
Tested at 80% humidity.
Instant shine and definition.
Hair feels hydrated and moisturised.
With hyaluronic acid and amino acid blend.

How to refill:

Step 1
Remove lid from original pump-bottle. Carefully twist the reusable pump to detach the outer sleeve. Hold the inner cartridge and unscrew to remove. 

Step 2
Unbox the new refill cartridge, and remove screw cap. Attach screw cap to the used cartridge, and recycle together in your household recycling (check local guidance).

Remove foil seal on refill cartridge. Replace the pump and screw back into place. Reattach outer sleeve and lid.                 

• Depth: 39 MM
• Height: 136.7 MM
• Width: 39 MM

¹ vs. untreated hair.
² Tested at relative 80% humidity.