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Seresto
/
Large Flea and Tick Collar (8kg+)

Large Flea and Tick Collar (8kg+)

Seresto
4.7
(
184
)
Seresto™ Collar for Dogs offers the longest-lasting flea and tick protection available in a collar, providing up to 8 months of continuous coverage against fleas and paralysis ticks — with no monthly treatments to remember. Using an innovative polymer matrix, the collar slowly releases two active ingredients (imidacloprid and flumethrin) through your dog's skin and coat, killing fleas and ticks on contact without the need for a bite. It also controls brown dog ticks and bush ticks for 4 months, and reduces transmission of tick-borne diseases including ehrlichiosis, babesiosis and anaplasmosis. Odourless, adjustable and water-resistant, Seresto is suitable for dogs and puppies from 7 weeks of age and is safe to use alongside other parasite treatments and medications.
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Overview

Seresto™ Collar for Dogs offers the longest-lasting flea and tick protection available in a collar, providing up to 8 months of continuous coverage against fleas and paralysis ticks — with no monthly treatments to remember.

Using an innovative polymer matrix, the collar slowly releases two active ingredients (imidacloprid and flumethrin) through your dog's skin and coat, killing fleas and ticks on contact without the need for a bite. It also controls brown dog ticks and bush ticks for 4 months, and reduces transmission of tick-borne diseases including ehrlichiosis, babesiosis and anaplasmosis.

Odourless, adjustable and water-resistant, Seresto is suitable for dogs and puppies from 7 weeks of age and is safe to use alongside other parasite treatments and medications.

Ingredients

Active: Flumethrin, Imidacloprid. Inactive: Dibutyladipate, Epoxidised Soybean Oil, Iron Oxide Black (E172), Polyvinyl Chloride, Propylene Glycol Dicaprylocaprate, Stearic Acid, Titanium Dioxide (E171).

Ingredient images are illustrative only and may not represent the exact source or form used by manufacturers.
Flumethrin chemical structure in black lines with rings and bonds on a white background, used for dog parasite control
Flumethrin
Flumethrin
Summary
Flumethrin is a synthetic pyrethroid used in tick and flea collars for dogs. It repels and kills parasites on contact by disrupting nerve signal transmission, providing long-lasting protection against ticks, fleas, and mites.
Black and white diagram of imidacloprid’s chemical structure with hexagonal and pentagonal rings and labelled atoms
Imidacloprid
Imidacloprid
Summary
Imidacloprid is a neonicotinoid insecticide used in topical flea treatments for dogs. It acts on the nervous system of fleas by binding to nicotinic acetylcholine receptors, causing paralysis and death within hours of contact.
Pale yellow, glossy liquid puddle of dibutyladipate with a smooth texture on a white background
Dibutyladipate
Dibutyladipate
Di-n-butyl Adipate, Dibutyl Ester Adipic Acid, Adipic Acid Dibutyl Ester, E472c
Summary
Dibutyladipate is a synthetic compound derived from adipic acid and butanol, categorised as an ester. It is primarily used as a plasticiser or carrier in pet food formulations, aiding in the even distribution of nutrients or additives. Dibutyladipate is not present in its natural form but is specifically manufactured for functional use, ensuring safety and efficacy in processed pet foods.
Why it's used?
Dibutyladipate is included as a plasticiser to improve the flexibility and durability of packaging materials, helping to maintain product integrity during storage and transport. Its use supports extended shelf life by protecting the pet food from environmental factors.
Glossy golden-yellow droplet of epoxidised soybean oil with a smooth, liquid texture on a white background
Epoxidised Soybean Oil
Epoxidised Soybean Oil
Epoxidised Soyabean Oil, ESBO, E443, Glycine Max Oil Epoxide
Summary
Epoxidised soybean oil is a plant-derived ingredient produced by chemically modifying soybean oil through epoxidation. It is primarily used as a stabiliser and plasticiser in pet food packaging rather than as a direct nutritional additive. This ingredient is not used in its natural oil form; instead, it is utilised in its epoxidised state to enhance packaging safety and durability.
Why it's used?
Epoxidised soybean oil is included as a cost-effective plasticiser and stabiliser, primarily to improve the texture and shelf stability of pet food products. Its use also helps maintain product consistency during processing and storage.
Fine reddish-brown iron oxide powder with a soft, earthy texture and subtle ridges, used in dog supplements
Iron Oxide
Iron Oxide
Ferric Oxide, E172, Fe2O3, CI 77491
Summary
Iron oxide is an inorganic compound derived from iron, commonly sourced from mineral deposits. It serves as a supplemental source of iron, supporting the formation of healthy red blood cells and overall oxygen transport in pets. Iron oxide is not used in its natural, raw metallic state; instead, it is utilised in a processed, stable compound form to ensure safety and effective absorption.
Why it's used?
Iron oxide is included as a colourant to enhance or standardise the visual appearance of pet food, making it more appealing to consumers. It serves no nutritional function for pets but supports marketing objectives by improving product presentation.
Fine white powder texture of polyvinyl chloride ingredient in a close-up circular view for dog health context
Polyvinyl Chloride
Polyvinyl Chloride
PVC, E-PVC, Vinyl Chloride Polymer, E458
Summary
Polyvinyl chloride is a synthetic polymer derived from petrochemical sources. It is not a natural food ingredient and is primarily used in industrial applications, such as packaging or equipment, rather than for nutritional benefit. In pet food manufacturing, if present, it is not used in its raw polymer form but may be utilised as a component in processing materials, not as a dietary ingredient.
Why it's used?
Polyvinyl chloride is included as a packaging material rather than a direct pet food ingredient, serving to provide a durable, moisture-resistant barrier that helps maintain product freshness and extend shelf life. Its use is driven by functional requirements for product stability and protection during storage and transport.
Milky white liquid splash of propylene glycol dicaprylocaprate with a smooth, glossy texture on a plain background
Propylene Glycol Dicaprylocaprate
Propylene Glycol Dicaprylocaprate
Propylene Glycol Dicaprylate/Dicaprate, Propylene Glycol Caprylate/Caprate, PG Dicaprylate/Dicaprate, E477
Summary
Propylene Glycol Dicaprylocaprate is a synthetic compound derived from propylene glycol and caprylic/capric acids, which are typically sourced from plant oils. It functions primarily as an emulsifier and stabiliser, helping to maintain texture and consistency in pet foods. This ingredient is not used in its natural form but is specifically manufactured for safe use and optimal absorption in formulated diets.
Why it's used?
Propylene Glycol Dicaprylocaprate is included as an emulsifier and stabiliser to improve texture and maintain the uniform distribution of fats and oils in pet food formulations. Its use helps optimise product consistency and shelf stability.
Fine white powder of stearic acid with a soft, smooth texture, commonly used in dog supplements and pet care products
Stearic Acid
Stearic Acid
Octadecanoic Acid, E570, C18 Fatty Acid, N-Octadecanoic Acid
Summary
Stearic acid is a saturated fatty acid derived primarily from animal fats or plant oils. It serves as an energy source and supports healthy skin and coat in pets. In pet food, stearic acid is not used in its raw, natural state but is incorporated as a refined, food-grade compound to optimise digestibility and ensure safety for animal consumption.
Why it's used?
Stearic acid is included as a functional ingredient to improve the texture and binding of kibble, ensuring product consistency during manufacturing. It may also serve as a stabiliser to enhance shelf life and maintain the integrity of fats within the formulation.
Fine white powder texture of titanium dioxide, a common food additive used in dog supplements and treats
Titanium Dioxide
Titanium Dioxide
CI 77891, Pigment White 6, E171, Titanium(IV) Oxide
Summary
Titanium dioxide is a naturally occurring mineral derived from titanium-bearing ores. In pet food, it is primarily used as a whitening and brightening agent to enhance the visual appeal of products. Titanium dioxide is not used in its raw mineral state; instead, it is utilised as a refined, food-grade compound to ensure safety and effective dispersion within the formulation.
Why it's used?
Titanium dioxide is included as a whitening and brightening agent to enhance the visual appeal of pet food products, making them more attractive to consumers. Its use is primarily for aesthetic purposes and does not contribute nutritional value.

About

Brand
Seresto
Company
Elanco Animal Health
Manufactured
Germany
Life Stage
All Life Stages
Breed Size
Medium, Large
Processing Level
High

PRODUCT TAGS

Preventative Collar
Flea
Tick
Lice
8 Month Protection
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About the Brand

Seresto

Seresto offers a unique long term solution for parasite control with a single collar providing up to eight months of protection against fleas and paralysis ticks. View the Seresto range to explore the odourless, water resistant collars that offer a convenient and vet recommended alternative to monthly dosing.

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Large Flea and Tick Collar (8kg+)
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