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Trusted by 10,000+ happy pet owners
Seresto® is a long-lasting flea and tick collar that provides up to 8 months of continuous, mess-free protection in a single application. The collar releases active ingredients slowly over time to kill and repel fleas, ticks, and lice. Vet-approved and trusted by Kiwi pet owners, it’s a simple and effective way to protect your dog all year long.
A Full 8 Months of Total Protection
Seresto takes the hassle out of monthly protection by:
Kills and repels fleas for up to 8 months
Destroys flea larvae in the home environment
Kills and repels ticks, including the paralysis tick
Treats and controls lice infestations
Odourless and water-resistant
Features a safety-release mechanism for peace of mind
Suitable for dogs from 7 weeks of age
Simple and Stress-Free Application
Unroll the collar and remove all plastic connectors. Fit snugly around your dog’s neck, allowing two fingers between the collar and the skin. Pull the end through the loop and trim any excess. The collar should be worn continuously for full protection, and you should check the fit regularly, especially on growing puppies.
Choose the Right Fit for Your Dog
Dogs up to 8 kg: use the 38 cm collar
Dogs over 8 kg: use the 70 cm collar
You’re in Safe Hands
We are a NZ-owned, vet-led, family company dedicated to making parasite protection simple and accessible. We promise:
Vet-approved products: The same safe, premium treatments we use for our own pets.
Fast, local shipping: Your order ships fast from our NZ base.
Expert support: Friendly help from our team if you ever need it.
No-hassle returns: Easy returns if it’s not right for your pet.
Active ingredients: Imidacloprid (100 mg/g) and Flumethrin (45 mg/g)
Approved for dogs from 7 weeks of age
Mild local skin reactions may occur (e.g. redness, itching, temporary hair loss) and usually resolve within 1 to 2 weeks
Rare side effects may include vomiting, drooling, diarrhoea, or behaviour changes in the first few days
Do not use with other insecticidal products
Not evaluated for use in pregnant or lactating dogs
Always read the label and use as directed Wash hands after handling
Store below 30°C in the original packaging until ready to use Dispose of used collars in household waste Keep out of reach of children
How long does Seresto last? Each collar provides up to 8 months of protection against fleas and ticks.
Is it water-resistant? Yes. It remains effective after swimming or bathing, but frequent water exposure may reduce duration.
Does it kill lice? Yes. Seresto treats and controls lice in dogs.
Is it safe for all dog breeds? Yes – suitable for all breeds over 7 weeks of age.
Vet-Approved Products: Trusted by Dr. Feargus, loved by pets, including Ace the rescue greyhound
Hassle-Free Service: Fast delivery and guaranteed results
Expert Care: Real customer support from a team that cares