DysonChitosanPost-style Serum Refill 100 ml

Refill for Post-style Serum
Top up your existing Post-style serum.
Suitable for all hair types.

Boost your style with lasting hold and hydration, delivering instant definition and shine. The Dyson Chitosan™ Post-style serum is engineered to offer twice the hold¹, without making your hair feel stiff or heavy. Enjoy hair that looks sleek and feels hydrated, soft, and flexible.

¹Compared to untreated hair.

How to Refill
Just follow these easy steps to refill and reuse your Dyson Chitosan™ Post-style serum.

Natural Strength
Our star ingredient, Chitosan, is a complex macromolecule extracted from oyster mushrooms. It's been rigorously tested to ensure the perfect balance for all-day flexible hold¹, allowing for natural movement.

¹Compared to untreated hair.

Flexible Hold
This intricate macromolecule forms flexible bonds, supporting each hair strand by strand. It's the cornerstone of our innovative Dyson Triodetic™ technology.

*Visual representation.

Designed to Perform
Hold. Movement. Shine. The Dyson Chitosan™ Post-style serum doubles the duration of your style's hold¹, providing instant moisture and shine.

¹Compared to untreated hair.

A Powerful Ingredient
Discover products that prep and define your hairstyles. Our Pre-style cream and Post-style serum are crafted for a flexible hold.

Compared to untreated hair.

Developed with Dyson's Hair Care Devices
We've developed our formulas in tandem with our hair care devices, ensuring products that cater to all hair types and styling habits.

Frequently Asked Questions
How do I refill my Dyson Chitosan™ Post-style serum?
Easy! Just follow these steps:
Step 1) Remove the cap from the original bottle.
Step 2) Gently twist the reusable pump to loosen the outer casing.
Step 3) Extract the new refill container from the box, removing the cap and foil.
Step 4) Recycle the spent container and cap with your household recycling.
Step 5) Finally, attach the reusable pump to your new container, reassemble the outer casing and cap.
Is this refill recyclable?
Absolutely, your Dyson Chitosan™ refill is recyclable. Simply recycle the container at home. (Do check local guidelines.)

Should my hair be damp, wet, or dry before using my Dyson Chitosan™ Post-style serum?
Apply the Dyson Chitosan™ Post-style serum to dry, styled hair. Use your fingers to work it through, smoothing, defining, and elevating your look.

How long will my Dyson Chitosan™ Post-style serum refill last?
With our precision applicator delivering exactly 0.22 ml per pump, you'll get over 400 pumps before it's time for a refill.

The lifespan of your refill will vary based on your hair type, length, density, thickness, condition, and styling frequency.



Good to Know When Buying Your Dyson at Lyko:

- Returns and cancellation rights are only valid for items returned in unused condition. Unsure? Try a Dyson in-store or borrow one from a friend.

- "Try before you buy" and "Satisfaction guarantee" with return rights are exclusive to direct purchases from Dyson.

- Enjoy a 2-year warranty with Dyson. Register your product (via the link below) to activate your full warranty.

- Register your Dyson here: click here. This is also your go-to for any product issues or if you're in need of a spare part.