Around 80% of UK dogs over three years old have some form of dental disease, and most owners do not brush their dog’s teeth. Plaque-removing products — powders, gels, and water additives — fill the gap. They are not a substitute for brushing or professional dental work, but they meaningfully slow plaque and tartar build-up.
This guide covers the products that have genuine evidence behind them, plus the ones that are marketing rather than science. The key filter is the VOHC (Veterinary Oral Health Council) seal, which identifies products that have passed independent tests for plaque or tartar reduction.
Quick answer:
Best overall: ProDen PlaqueOff Powder — kelp-based powder sprinkled on food, VOHC-accredited, widely used by UK vets.
Best water additive: Vet’s Best Enzymatic Water Additive — easy to use, tasteless, gradual plaque reduction.
Best gel: Petsmile Professional Dog Toothpaste — the only VOHC-accredited toothpaste if brushing is possible.
Avoid: herbal powders with no independent evidence, aggressive "plaque scrapers" used by untrained owners.
Our top pick
ProDen ProDen PlaqueOff Powder · ~£15–25
Best overall plaque remover for dogs that refuse brushing.
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What actually matters here
Evidence — VOHC seal or independent study data, not just brand claims.
Ease of use — a product you forget to use does nothing.
Safety — no xylitol, no irritant ingredients.
UK availability — some widely-cited US products are not sold here.
Cost per month — cheap products used daily beat expensive ones used occasionally.
Who this is for
Owners of dogs who refuse toothbrushing.
Senior dogs whose dental condition is already deteriorating.
Small breeds (Chihuahuas, Yorkies, Dachshunds) with high dental disease risk.
Anyone whose dog has just had a dental under anaesthetic and wants to slow re-accumulation.
Who should skip
Owners who brush their dog’s teeth daily with a proper dog toothpaste — that is already the gold standard.
Dogs with gum disease or loose teeth needing veterinary treatment before any home intervention.
What actually works: VOHC seal vs marketing
The Veterinary Oral Health Council (VOHC) is an independent body that tests pet dental products for plaque or tartar reduction using a standardised protocol. Products that pass carry the VOHC seal. It is the only independent accreditation that means anything in the dental product category.
VOHC-accredited products include ProDen PlaqueOff, Petsmile toothpaste, and certain dental chews (Pedigree Dentastix, Whimzees, Oravet). Everything else without the seal is trading on brand claims alone — which may or may not be true.
This does not mean non-VOHC products are useless — some have not been submitted for testing. But if you are buying based on evidence, VOHC is the shortlist.
Water additives: do they actually work?
Water additives claim to reduce plaque through enzymatic or antibacterial action as the dog drinks. The evidence is mixed. Some products show genuine reduction in plaque over weeks of daily use; others have no independent data.
The practical advantage of water additives is that they are the easiest possible intervention — you add them to the water bowl once a day and the dog does nothing differently. For owners who cannot brush, this is better than nothing.
Look for products with proteolytic enzymes or chlorhexidine. Avoid anything that changes the water taste noticeably — some dogs will refuse to drink, which is worse than no additive at all.
Powders on food: easiest option for most dogs
Powdered additives (ProDen PlaqueOff is the standard) are sprinkled onto food daily. They work systemically — ingested compounds change the composition of saliva in a way that reduces plaque formation. ProDen PlaqueOff is kelp-based, VOHC-accredited, and widely recommended by UK vets.
Powders are the most reliable option for dogs who refuse brushing and ignore water additives. The main downside is cost — a tub lasts a few months but the daily cost adds up over years.
Quick questions before you buy
Do dog plaque removers actually work?
VOHC-accredited products (ProDen PlaqueOff, Petsmile toothpaste, certain dental chews) have independent evidence for reducing plaque and tartar. Non-accredited products may or may not work — the evidence varies. No home product removes existing tartar; for that, a professional dental under anaesthetic is needed.
What is the best dog plaque remover?
For dogs that refuse brushing, ProDen PlaqueOff Powder is the best-evidenced option — VOHC-accredited, daily sprinkle on food. For dogs that tolerate brushing, Petsmile is the only VOHC-accredited toothpaste. Both take 4–8 weeks to show visible results.
Best overall plaque remover for dogs that refuse brushing
Takes 4–8 weeks to show visible results, so owners often give up before it works. Not cheap over the long term. Does nothing for tartar that already exists — a dental scale under anaesthetic may still be needed first.
Best VOHC-accredited toothpaste if brushing is possible
Expensive compared to other dog toothpastes. Only works if you actually get it on the teeth regularly, so it is still dependent on some kind of brushing or application routine.
Best starter brushing kit for owners new to dental care
Toothpaste is not clinically proven like Petsmile. Finger brush is less effective than a proper toothbrush. Flavouring works for some dogs, not others.
~£8–12
£
Recommended picks
Top pick
Best for: Best overall plaque remover for dogs that refuse brushing
ProDen ProDen PlaqueOff Powder
Approx. price: ~£15–25 (prices may vary — check Amazon for current price)
Why it made the list: A VOHC-accredited kelp-based powder that is sprinkled on food daily. Independent studies show reduction in plaque and tartar over 8–12 weeks of consistent use. Widely recommended by UK vets. Tasteless to most dogs, so they eat it without noticing. Works systemically, so it affects all teeth including the back molars that are hardest to reach by brushing.
Main drawback: Takes 4–8 weeks to show visible results, so owners often give up before it works. Not cheap over the long term. Does nothing for tartar that already exists — a dental scale under anaesthetic may still be needed first.
Petsmile Petsmile Professional Dog Toothpaste — best VOHC-accredited toothpaste if brushing is possible
Vet’s Best Vet’s Best Enzymatic Dental Water Additive — best easy-to-use water additive for zero-effort daily dental care
Best for: Best VOHC-accredited toothpaste if brushing is possible
Petsmile Petsmile Professional Dog Toothpaste
Approx. price: ~£25–35 (prices may vary — check Amazon for current price)
Why it made the list: The only VOHC-accredited dog toothpaste on the market. Uses Calprox (a patented ingredient) to break up plaque chemically, so it works even without perfect brushing technique. Claims to work with or without a toothbrush — but brushing is still better. Safe to swallow.
Main drawback: Expensive compared to other dog toothpastes. Only works if you actually get it on the teeth regularly, so it is still dependent on some kind of brushing or application routine.
Vet’s Best Vet’s Best Enzymatic Dental Water Additive — best easy-to-use water additive for zero-effort daily dental care
Beaphar Beaphar Toothpaste and Brush Kit — best starter brushing kit for owners new to dental care
Best for: Best easy-to-use water additive for zero-effort daily dental care
Vet’s Best Vet’s Best Enzymatic Dental Water Additive
Approx. price: ~£12–18 (prices may vary — check Amazon for current price)
Why it made the list: An enzymatic water additive that reduces plaque gradually over weeks. Easy to use — add to water bowl daily, change water and reapply. Tasteless and odourless so most dogs keep drinking normally. Less well-studied than ProDen PlaqueOff but widely available and a reasonable option for dogs who refuse other interventions.
Main drawback: Not VOHC-accredited. Effects are slower and more variable than powders or gels. Some dogs refuse treated water.
Beaphar Beaphar Toothpaste and Brush Kit — best starter brushing kit for owners new to dental care
ProDen ProDen PlaqueOff Powder — best overall plaque remover for dogs that refuse brushing
Best for: Best starter brushing kit for owners new to dental care
Beaphar Beaphar Toothpaste and Brush Kit
Approx. price: ~£8–12 (prices may vary — check Amazon for current price)
Why it made the list: A budget starter kit with dog toothpaste (chicken or liver flavour) and two toothbrush options (regular and finger brush). Not VOHC-accredited but a reasonable entry point for owners who want to start a brushing routine. Brushing, even imperfect, is better than not brushing at all.
Main drawback: Toothpaste is not clinically proven like Petsmile. Finger brush is less effective than a proper toothbrush. Flavouring works for some dogs, not others.
Full grooming including dental care as part of routine.
FAQ
Do dog plaque removers actually work?
VOHC-accredited products (ProDen PlaqueOff, Petsmile toothpaste, certain dental chews) have independent evidence for reducing plaque and tartar. Non-accredited products may or may not work — the evidence varies. No home product removes existing tartar; for that, a professional dental under anaesthetic is needed.
What is the best dog plaque remover?
For dogs that refuse brushing, ProDen PlaqueOff Powder is the best-evidenced option — VOHC-accredited, daily sprinkle on food. For dogs that tolerate brushing, Petsmile is the only VOHC-accredited toothpaste. Both take 4–8 weeks to show visible results.
How can I clean my dog’s teeth without brushing?
Options in order of effectiveness: ProDen PlaqueOff powder on food daily, VOHC-accredited dental chews, enzymatic water additives. Combined, these meaningfully slow plaque build-up. None are as effective as daily brushing with a proper dog toothpaste.
Are dog water additives safe?
Most commercial dog water additives are safe when used as directed. Check the ingredient list for xylitol (highly toxic to dogs — never use human mouthwash), and avoid products that change water taste so much that the dog stops drinking. Enzymatic additives from established UK brands are generally safe.
