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Groomers Thornit Ear Powder

  • From £10.95
Item in Stock | Usually dispatched within 24 hours
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Groomers Thornit Ear Powder

Groomers Thornit Ear Powder is a renowned topical treatment for canker and ear mites. Developed by Mr W. Watchman in 1907, this proven formula contains the active ingredient Iodoform to treat the affected area, and is free from antibiotics. This Thornit Powder can also be used to remove ear hair. For external use only.

Instructions for use: Wipe any excess moisture from around the ear, then lightly dust a pinch of powder around the affected area, carefully avoiding the earhole. Gently massage the powder into the ear. Apply twice daily for up to five days. Can also be applied once a week to prevent re-infection.
Groomers Thornit Ear Powder features:

  • Renowned treatment for canker and ear mites. 
  • Active ingredient: Iodoform.
  • For external use only.
  • Suitable for use on dogs, cats, horses and rabbits.
  • Size: 20g or 100g.

Groomers Expert Tips: Ear mites are often picked up by animals when walking in long grass. Symptoms of infection include scratching, head shaking and general distress. There may also be sores or inflammation from scratching. This Thornit powder is a proven solution to ear mites, but if in doubt consult a vet.

Please browse our full Ear Care range.

Review Summary - 4.4 out of 5 based on 16 ratings.
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I was recommended this powder by another dog walker for my dog’s itchy paws. Unfortunately it hasn’t worked. I wasn’t going to leave a bad review, but the company keeps bothering me to do it, so here it is!

January 22, 2022 | Anonymous

Thank you for responding to my order so quickly. I have bought Thornit from you many times. Usually i would purchase it from the Dog Championship Shows but couldn`t this year due to COVID. I have used it many times over the years & found it very good, indeed the best Canker medication for all my Show Dogs. i bought this last bottle for My Sons CatS & Dog who live in Israel & i have since sent it to him. Thank you for a great product.

August 18, 2021 | Iris McNair

The ear powder was sent almost straight away, so far it has been working.

Many thanks.

April 22, 2021 | Denise Bryan

July 8, 2020 | Anonymous

Have been buying Thornit for over 25 years, for my own grooming business, and for my own dogs. Its excellent, and does exactly what it says it will, have treated many dogs ears, from just a bit inflamed to absolutely awful, would highly recommend this product.

January 27, 2020 | Lynda Corns

Not used this product before but so far it seems to be working to make my dog scratch his ears less

August 10, 2019 | Matt Hollingshead

Ordered 2 items and payed for 2 and only received 1. Still not heard back from them. First time using this site. Disappointed. Cant coment as on product as bought one for my mums dog and one for my dog(which I never received).

May 20, 2019 | Melina Crouchman

April 16, 2019 | George Powell

February 7, 2019 | Sheila Hindle

very good

November 7, 2018 | Anonymous


July 5, 2018 | Mrs Christine Wilson

Used this for years. Fantastic powder!

May 14, 2018 | Kelly Edwards

April 24, 2018 | Anonymous

The Groomerz Thornit Ear Powder is great. I am a groomer and it has worked perfectly on a variety of breeds. Makes ear plucking easy and quick for both, me and the dog. I would highly advise everyone to purchase!

April 17, 2018 | Amy Louise Ribbon

This is so good. I've been using it for years.. less mess and easy to use.

April 10, 2018 | Stephanie Terry


After several visits to the vet and at great expense my dogs ear infection remained stubbornly resistant. After three days treatment with Thornit and immediate clearance !! - from

June 10, 2016 | Customer


As part of our commitment we offer a fast, efficient delivery service. Orders received by 12pm Monday to Friday will normally be shipped the same day. UK Mainland orders over £85 will be delivered free of charge.

Any delivery to the Scottish Highlands, Northern Ireland and offshore islands may be subject to a surcharge.

Large, heavy, equipment items such as tables and baths are dispatched via a specialist carrier. Please note that pallets will be delivered curbside. Please make sure you have the correct assistance to bring your product into your premises.

We politely ask you to notify us of any errors in your order within seven days of receipt so they can be rectified promptly.

Please note that orders placed online on Saturdays, Sundays and bank holidays, when we are closed, will be dispatched the next working day.

UK Mainland Standard Delivery 

Orders over £85 will be shipped free of charge. Orders less than £85 will be charged at the following rate:

Small items posted as a large letter such as single blades, attachment combs etc. £1.95

Up to 250g: £3.30   

251-500g: £3.65

501-750g: £3.95

701-1kg: £4.40

1.01kg-2kg: £6.70

2kg+: £6.87

Note that our UK Mainland Standard Delivery is limited to a maximum of 5 litres of liquid per shipment.

Express Delivery

PLEASE NOTE: We have temporarily suspended our Express Delivery service until further notice. The recent changes in Covid Tier restrictions has impacted many delivery services which currently cannot be guaranteed for next working day delivery. We will resume our Express Delivery service as soon as it is possible.


UK Offshore Standard Delivery

Deliveries to UK offshore addresses (including NI, ROI, Highlands and Islands) are charged at individual rates in line with prices from Royal Mail. These are available at the time of ordering and will feature on-line at the basket checkout.


EU Delivery

Due to documentation changes following Brexit, we are temporarily suspending supply of Groomers products to Europe until further notice.   

International Export

Please email us at for a shipping quote.

Unfortunately due to aviation regulations we are unable to send aerosols by air.


Distance Selling Regulations 

Online, mail and telephone order customers have the right to cancel their order for a limited time even if the goods aren’t faulty. We will offer a refund to customers if you have notified us in writing within 14 days of receipt that you wish to cancel your order. Cancelled goods must be returned to Groomers Limited within a further 14 days after we have been notified. We will refund customers within 14 days of receiving the goods back.

No reason for return is required.

Please note that you will be responsible for the cost of returning the goods to us unless we delivered the item to you in error or the item is faulty.

Your unwanted item must be in a re-saleable condition and in the original, undamaged, unopened product packaging with any labels still attached.

We recommend you keep the original packaging and wrap the return item well to avoid damage in transit. Please remember the packaging of the item is the responsibility of the sender, not the courier and Groomers Limited. We reserve the right to deduct a percentage of the refund or credit if an item is received unsuitable for re-sale as new. This will be assessed once the product is received.

If you are returning a large item such as a table, bath or cabinet, the item will need to be packaged safely on a pallet, this will be required by the courier for collection and return. If payment is required the cost is from £45.00 per pallet.

Please be aware that the following items are non-returnable:

  • Goods made to order
  • Sealed media such as DVDs and CDs
  • Gift vouchers

Any returns or exchanges on items purchased at events or shows will attract a standard delivery charge.

Please remember to include a Groomers Return Form which you can download from our website or, if you prefer, a covering letter including your full name, address and contact telephone number so we know who the package is from. We will need to contact you to arrange payment or a refund.

Although this is a rare occurrence, we highly recommend using recorded post so that you can track your package should it go astray.

Returns should be mailed to:

Returns, Groomers Limited, 137 Greenham Business Park, Newbury, RG19 6HN


We will aim to refund all items within 24 hours of receipt (subject to our returns policy).

Please allow 3-5 working days for the payment to reach your debit or credit card as standard. We can only refund any amount due on the card used for original payment.

Returning Small Items by Royal Mail

If you are returning a small item by post (packet), please ensure the item is unused, and in its original, undamaged packaging. We will need to resell the item so please ensure it is returned in the way that you would like to receive it. To avoid damages in transit, please wrap the item well, preferably in bubble wrap, and then use a strong box or jiffy bag to send the item. Don’t forget to include your Groomers Returns Form or a covering letter including your full address and telephone number so that we know who the package is from. We also recommend recorded post so that you can track your package, should it go astray. 

Returning Large Items by Postal Service or Courier: 

If you are returning a large item (2kg+) for a refund or credit note, please ensure the item is unused, and in its original, undamaged packaging. We will need to resell the item so please ensure it is returned in the way that you would like to receive it. If the item is sold in an item specific box- e.g. dog cage, please ensure that no address labels or sender details are stuck onto this box. Please put the item in an outer box or wrap in black plastic/cellophane for stamps or courier labels. Please remember that packing an item for return is the responsibility of the sender, not of the courier. The item will need to reach us undamaged for us to be able to give you a full refund or exchange, so please package well for transit. Don’t forget to include your Groomers Returns Form or a covering letter including your full address and telephone number so that we know who the package is from. Again, we also recommend using recorded post or courier service so that you can track your package, should it go astray.

Pre-Loved Items

Items have a 7 day cooling off period and so can be returned for a full refund in the same condition as they were bought. Postage will be paid by the purchaser.