Seresto Cat Flea and Tick Collar, 86631687

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Product guide

Seresto Cat Flea and Tick Collar, 86631687

Seresto cat flea and tick collar 86631687 is a single-collar treatment listing that claims 7–8 months of flea and tick protection. Its collar format avoids repeated application during the stated period, but customer feedback reports variable duration and differing experiences with skin irritation.

At a glance

The listing claims one collar provides 7–8 months of flea and tick protection.
The manufacturer describes a polymer matrix that releases the active ingredients across the cat’s skin and coat.
The product is described as adjustable and secured with a ratchet system and loop.

Price

£28.23Save 18%

Reference price: ~~£34.49~~

Price checked: 12 Nov 2026

View offer

Often bought together

Seresto Flea and Tick Control Collar For Dogs Over 8kg (1 Collar), Long-Lasting & Simple Treatment For Dogs, 7-8 Months Of Protection, Keeps Pets Protected From Fleas & Ticks

£28.23

Virbac Indorex Defence Flea Spray for the Home | Kills Fleas | 500ml Can | Kills cat & dog adult fleas and dust mites in the home on contact; up to 12 months protection; treats a 3-4 bed house

£13.63

Pros and cons

Pros

A single collar is presented as a lower-frequency alternative to regular repeat treatments, with the listing claiming 7–8 months of protection.
The listing identifies imidacloprid and flumethrin as active ingredients and describes the collar as unscented.

Technical specifications

10 specifications

Identity and use
Brand	Seresto
Model	86631687
Form	Collar
Target species	Cat
Size	Cats
Age range	All Life Stages

Composition and details
Active ingredients	Imidacloprid, Flumethrin
Scent	Unscented
Weight listed	12.5 Grams
Country of origin	United Kingdom

What to know before buying

Listing details to confirm

The listing’s 7–8-month duration is a manufacturer claim, not a guaranteed outcome. Customer feedback is mixed, including reports of protection lasting much less time and differing experiences with skin irritation, comfort, durability and value. Follow the product instructions and seek veterinary advice if concerned about your cat’s skin or treatment suitability.

What’s in the box

Included

Seresto flea and tick collar (1)

Who is it for?

A good fit for

Cat owners seeking a collar-form flea and tick treatment rather than repeated applications.
Buyers who prefer a product listed for all life stages, subject to checking suitability and instructions for their individual cat.

Less suited to

Owners who need a reliably predictable treatment duration, as customer feedback reports widely differing results.
Cats that cannot comfortably wear a collar or whose owner is concerned about reported skin reactions.

Seresto Cat Flea and Tick Collar, 86631687 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 863 ratings

5 stars73%73%
4 stars9%9%
3 stars4%4%
2 stars3%3%
1 star11%11%

Customer feedback highlights reports of flea control, comfort and straightforward fitting, with some customers describing use for outdoor cats. Experiences are not uniform: reported protection duration ranges from around two weeks to eight months, and customers disagree about skin irritation, collar durability and value. The listing’s 7–8-month claim may suit buyers seeking less frequent treatment, but the reported variation matters if predictable duration or skin tolerance is a priority.

Positive themes

Customers report flea control, comfortable wear and easy fitting.
Some customers describe the collar as useful for outdoor cats.

Negative themes

Some customers report skin sores or irritation.
Some report the collar’s protection lasted only around two weeks.

Mixed feedback

Reported duration varies, with some customers saying it lasted eight months and others reporting much shorter use.
Customers disagree about durability and whether the collar is worth its price.

Frequently asked questions

How long does the Seresto cat collar claim to last?

The listing claims 7–8 months of protection. Customer feedback reports mixed duration, so treat that period as a listing claim rather than a guaranteed result.

What are the active ingredients?

The listed active ingredients are imidacloprid and flumethrin.

What should I consider before fitting it?

Check the product instructions and suitability for your cat. Customer feedback includes differing reports of skin irritation, so seek veterinary advice if you are concerned.