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Household flea spray versus a spray for the pet

Updated: 23 October 2026

A 500 ml room aerosol and a 60 ml coat bottle can look like a simple upgrade. Household flea spray versus a spray for the pet is not a quality ladder. One listing treats carpet, rugs and soft furnishings. The other, in this set, is a small scented spray for a coat, and the listing may say it is not a veterinary medicine. They do not stand in for each other. The [flea spray comparison](/hub/pest-control/flea-spray) shows all seven amazon.co.uk rows with GBP prices. Products Compared did not test a kill rate. A qualifying purchase can earn a commission at no extra cost to you.

A 500 ml room aerosol and a 60 ml coat bottle can look like a simple upgrade. Household flea spray versus a spray for the pet is not a quality ladder. One listing treats carpet, rugs and soft furnishings.

Our top picks

Virbac Virbac Indorex Defence, 500 ml

Best overall

Virbac Virbac Indorex Defence, 500 ml
9.2/10about £13.63
View offer
FRONTLINE FRONTLINE HomeGard, 500 ml

Best value

FRONTLINE FRONTLINE HomeGard, 500 ml
8.4/10about £11.24
View offer
LIXINGLY LIXINGLY coat spray, 100 ml

Alternative

LIXINGLY LIXINGLY coat spray, 100 ml
7.6/10about £8.49
View offer
On this page
  1. 1.What each listing is for
  2. 2.What the coat sprays claim
  3. 3.What the room cans do not do
  4. 4.Which to buy

What each listing is for

The room rows are Virbac Indorex Defence 500 ml at £13.63, the Virbac twin at £24.49, an Indorex-branded twin at £25.34, FRONTLINE HomeGard at £11.24, and Zero In’s 300 ml twin at £8.99. HomeGard says never spray it on animals. A pet-type field that says cat and dog means the home has those animals. It does not mean the can goes on the coat. The coat rows are LIXINGLY, 100 ml of peppermint oil and eugenol at £8.49, and Isabella’s Clearly CATS, 60 ml of lavender and rosemary at £19.99. LIXINGLY’s listing says it is not a veterinary medicine. Neither gives a square-metre line for a living room. The wider lesson is the flea spray buying guide.

What the coat sprays claim

LIXINGLY is the £8.49 bottle, 3.8 from 26 reviews. Eight saved reviews include dogs whose scratching stopped straight away, a buyer who used it on seven cats, a small dog still scratching after a week, a verified “did not work”, and a verified review that is only the words “Not for cats”. Concentrations of peppermint oil and eugenol are not listed. There is no growth regulator and no room area. Isabella’s Clearly CATS is £19.99, 3.8 from 53 reviews. The age-range field says Adult and the listing claims up to eight hours. UK reviews in the file say it did not work, was not worth the money, or was not concentrated. The dog-breed-size field says Small, which conflicts with a cat title. Blue Cross says herbal flea remedies are not an effective long-term method.
Virbac Virbac Indorex Defence, 500 ml

Testsieger

Virbac Virbac Indorex Defence, 500 ml
9.2/10about £13.63
View offer

What the room cans do not do

Indorex and HomeGard do not replace the product on the pet. HomeGard prints the ban: never on animals, pets out for about one hour, then ventilate. Indorex’s coverage claim is about a three-to-four-bedroom house per 500 ml can. PDSA’s figure, about 95 percent of the infestation in the home, is why you spray the rooms and still treat every pet that day. Zero In at £8.99 is a room aerosol too. A lower price does not move it into the coat column. If the basket has only a room can, the pet is not finished. If the basket has only LIXINGLY, the carpet is not finished.

Which to buy

Buy a household can when the fleas are in the rooms and you can keep animals and fish tanks out for the time on that label. The comparison’s top pick and the best-value 500 ml can are on the best household flea spray page. That ranking is not a reason to spray either can onto a dog. Buy a coat spray in this set only as the small scented product the listing describes. Neither LIXINGLY nor Isabella’s Clearly is the premium version of Indorex. Buy a species-correct pet product the same day when the animals are part of the problem, rather than assuming the oil spray is that treatment. The room can answers the carpet. The coat bottles do not answer the carpet, and they do not answer a vet’s flea prescription.

Common questions

Can I spray the household can on my dog?
No. HomeGard says never spray it on animals. Indorex is a house treatment. A dog-only home has the same limit. Use a product meant for dogs on the dog, and the aerosol on the carpet.
Can a 100 ml peppermint spray treat the carpet?
No. LIXINGLY is 100 ml, with no coverage claim in square metres and no insect growth regulator. The listing says it is not a veterinary medicine. A three-bedroom house is the job Indorex states for a 500 ml can.
Is a lavender hydrosol a cat flea treatment?
Isabella’s Clearly CATS is sold as a topical lavender and rosemary spray for adult cats, up to eight hours on the listing. UK reviews in this file say it did not work or was not concentrated. It is not a substitute for a veterinary cat product. The kitten question is unanswered.
Do I still need a vet product if I buy Indorex?
You still need a product meant for each animal. Indorex treats the home. RSPCA advice is to treat both the pet and the home, with a product recommended for that species. A prescribed spot-on or tablet stays in place. The room can does not replace it.
Why is the £19.99 bottle not the premium household can?
Because it is 60 ml of lavender and rosemary for a cat’s coat, not 500 ml of household insecticide. The 2 x 500 ml twins at £24.49 and £25.34 are the room packs in that price band. Paying more per millilitre does not add a coverage line the listing does not print.
What does “not a veterinary medicine” mean for the shopper?
On the LIXINGLY listing it is the seller’s own sentence. GOV.UK treats products that kill fleas on an animal as an example of products that can be medicines by function. This page does not decide the legal status. Do not expect a licensed veterinary flea treatment or a stated concentration.

Related pages

Flea spray if you have cats

Flea spray

Best household flea spray UK: the 500 ml Indorex can

Flea spray buying guide: room aerosol or coat bottle

How to use household flea spray: rate and re-entry

Sources

Public UK sources used for this comparison. Shelf prices, stars and review counts are the amazon.co.uk figures captured for these seven listings. Last checked 22 October 2026.

  1. PDSA, fleas on cats (retrieved 22 October 2026)
  2. PDSA, permethrin toxicity in cats (retrieved 22 October 2026)
  3. GOV.UK, veterinary medicines on the market (retrieved 22 October 2026)
  4. HSE, regulated biocides (retrieved 22 October 2026)
  5. Blue Cross, dog flea advice (retrieved 22 October 2026)
  6. Blue Cross, cat and kitten flea treatment (retrieved 22 October 2026)
  7. Indorex Defence 500 ml label (retrieved 22 October 2026)
  8. FRONTLINE HomeGard (retrieved 22 October 2026)