Flea and tick prevention, reinvented
Kills and repels fleas and ticks through contact - so they don't have to bite to die.
Stays effective for 8 continuous months.
One non-greasy, odorless collar instead of messy monthly treatments.
Water-resistant - no need to remove it before swimming or bathing.
How Seresto Works
Award Winning Product
Seresto collars have been awarded as the best flea and tick collars for pets in 2021, 2020, 2019, 2018
Designed for Your Pet
No messy coating here. Active ingredients are stored in the collar's unique polymer matrix and released in low concentrations over 8 months. Plus, a familiar design and ratchet-release mechanism makes putting it on simple.
Frequently asked questions
Can Seresto be used alongside identification collars?
Yes, Seresto can be used alongside identification collars without damaging them.
What are the active ingredients in Seresto® for dogs?
The active ingredients in Seresto® are imidacloprid and flumethrin.
What are the active ingredients in Seresto® for cats?
The active ingredients in Seresto® for cats are imidacloprid and flumethrin.
How quickly does Seresto® begin working?
For Seresto® flea and tick collar for dogs, kills and repels fleas and ticks within 48 hours. For Seresto® flea and tick collar for cats, kills and repels fleas within 24 hours and ticks within 48 hours.
Does the Seresto® collar for cats and dogs also kill flea eggs?
Yes, the Seresto collar kills flea eggs, as well as flea larvae and adult fleas.