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Seresto™ Collar for Cats 

The Seresto collar is the longest-lasting flea and tick protection product for cats. Seresto repels and kills ticks and fleas fast, and through contact, which means they don’t have to bite your cat to be killed. Seresto for cats keeps your cat protected from ticks, fleas and flea-borne diseases for 8 months. 

Why choose Seresto™ for your cat?

  • Flea & tick graphic

    Kills fleas and repels and kills ticks on contact – no biting required 

  • Number eight

    Effective for 8 months

  • No odour icon

    Odourless and easy to apply

  • Water resistant icon

    Water-resistant*

    *See product label for further information 

Seresto Collar for Cats product details 

Parasite protection: Ticks, fleas and flea-borne diseases 

Pet type: Cats and kittens 

Application type: Collar 

Dosage: 8 months flea and tick protection 

Convenient, one-size-fits-all 

How does Seresto for Cats work? 

Active Ingredients: Seresto’s innovative polymer matrix stores two active ingredients, imidacloprid and flumethrin, within the collar. 

Innovative collar technology: Once fitted to your cat, the active ingredients migrate from the collar and spread through the fatty/oily layer of your cat’s skin and hair coat, where they work on contact to kill fleas and ticks. 

Long lasting protection: The active ingredients continue to migrate in low doses from the collar to your cat, as needed, to provide continuous protection against fleas and ticks for 8 months. 

Seresto is safe for pets, families and the environment

  • Adjustable and odourless collar grows with your pet
  • Low risk of exposure and safe for families
  • Safe in combination with other parasite products and medications

Find us at your favourite retailers

Stop Sucking with Seresto.

Steps on how to apply Seresto

Graphic showing connectors.

1.

Remove the Seresto™ collar from its protective pouch and unroll, ensuring that no plastic connectors remain attached to the inside surface of the collar.

Put on collar on cat.

2.

Put the collar around your cat’s neck and insert the loose end through the two loops.

Ensure 2 fingers fit between collar and neck.

3.

Adjust the collar around the cat’s neck without it being too tight or too loose. It should be possible to fit two fingers comfortably between the collar and the neck.

Cut off the extra length.

4.

Cut off any extra collar length, leaving about 2 cm of the loose end beyond the second loop. Check collar periodically and adjust the fit as necessary. For kittens, leave additional length to allow for adjustment of the collar as they grow.

Products

Seresto Cat

Seresto™ for Cats


Seresto™ is a registered trademark of Elanco.

Read the product leaflet for full instructions.

Download the product Safety Data Sheet.

Seresto™ and the diagonal bar or logo are trademarks of Elanco or its affiliates. ABN 64 076 745 198. Level 3, 7 Eden Park Drive, Macquarie Park NSW 2113. For further information contact: 1800 995 709 from anywhere in Australia Monday to Friday or email productsupportau@elancoah.com © 2025 Elanco

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Elanco acknowledges the Traditional Custodians of Country throughout Australia and their continuing connection to land, sea and community. We pay our respects to all Aboriginal and Torres Strait Islander peoples, their cultures and to their Elders past and present. © 2026 Elanco or its affiliates. PM-AU-25-0796