top of page Allergen Blocker Allergen Blocker


With its revolutionary cellulose powder system, Allergen Blocker is clinically proven to give effective protection against airborne allergens such as those from pollen, pets and dust mites.

  • Natural and non-drowsy, no steroids or antihistamine
  • Fast relief. Starts working in less than 3 minutes
  • Suitable for children from 18 months and pregnant or breastfeeding women
  • up to 200 Sprays


    • Blow your nose to clear it.
    • Shake the bottle.
    • Test before first use by firing one spray into the air with a 10-15 cm plume of powder.
    • Apply one to two sprays into each nostril.

    Take Allergen Blocker before any exposure to airborne allergens.



    Apply 2 to 3 times per day to maintain an effective barrier. Allergen Blocker should last 6 hours per application.


    Inert natural cellulose powder and peppermint powder


    Avoid contact with eyes and open wounds. If powder gets into your eyes, rinse with water.

    Do not use this product if you are sensitive to cellulose and/or mint.

    Keep in cool dry place.

    Once opened, use within 6 months.

    Please read the patient information leaflet thoroughly before use.

What if you are not completely happy with your order?

If you want to cancel your order after your purchase we can offer a full refund (as long as your order hasn't shipped yet). If you have received your order we can offer a refund within 30 days as long as you have not opened it. You can visit our full returns policy here

Delivery Times

We offer different options to suit your budget:

  • Standard shipping - delivery in 2 to 5 business days

  • Premium Shipping - 1 to 2 business days

  • Free delivery to W4 (Chiswick) and NW4 (Hendon) postcodes

We care about the environment

Yes, we do. We try to reduce single-use plastics as much as possible when we ship your order. We will either use brown paper or a box to package your order. When we have to use bubble wrap in order to keep your items safe we make sure to reuse bubble wrap to reduce waste. We are always trying to reduce our waste and would love to hear your suggestions on how we could improve!

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