My Seresto collar doesn’t smell at all. Does this mean it’s not working properly?

No, it doesn’t mean this. The collar is odorless, so there are none of the unpleasant chemical smells you may associate with other flea and tick collars.

What makes a Seresto collar different from other flea and tick collars?

Its innovative technology enables it to release the active ingredients over a long period of time. The ingredients are transferred to your pet’s skin and coat and spread across their entire body, keeping them protected from fleas and ticks for 8 continuous months. Seresto kills fleas and ticks through contact 1 , so no bite is required for it to work.

How to Avoid Fake Seresto® Collars

Due to the widespread popularity of Seresto flea and tick collars, pet owners might come across fake imitation collars. Your pet is our top priority, so here are some tips for how to ditch the dupes.

APPROVED RETAILERS

ABOUT SERESTO

A column of three circles with dark outlines and icons showing how to fight fakes. Texts from top to bottom: eliminate counterfeit collars, packaging innovation and training law enforcement

How We're Fighting Fakes

Fake Seresto collars are ineffective and can put your furry friend at risk for expensive flea and tick infestations, and painful flea and tick bites, which can result in transmission of certain diseases. We're working to eliminate counterfeit collars by removing counterfeits from e-commerce and brick-and-mortar retailers, training law enforcement and customs officials, and creating packaging and labeling innovations.

As an additional layer of precaution, we want to empower pet owners to spot fakes for themselves. Here are some tips on how to tell if a Seresto collar is real.

How to Spot Fake Seresto Collars

An ad of a fake collar and a “Sale” sign in red

Suspicious advertisements

Is the collar deeply discounted? Does the price look too good to be true? Odds are, it is. Keep an eye out when looking at ads on social media or search engines.

A product detail post of a Flea and Tick Collars sold on “Discounts.com” website, and a yellow warning sign on the top left

Unauthorized retail platforms

One of the best ways to make sure your Seresto collar is authentic is by purchasing from one of our authorized retailers. Check out the list below before shopping.

Signs of fake products include uncentered, tilted or blurry labels on the packaging

Questionable packaging

Signs of phony products include uncentered, tilted or blurry labels on the packaging.

Where to Buy Real Seresto Collars

Authentic Seresto collars provide long-lasting, vet-recommended flea and tick protection for 8 continuous months.

Authorized online retailers
Your veterinarian’s clinic
Your local pet specialty store

Seresto Authorized Online Retailers

Retailer logos including Amazon, Walmart, chewy, petco and PETSMART

Shop Seresto Online

Seresto is rigorously regulated worldwide with your pet in mind.

SERESTO SAFETY PROFILE

Real vs Fake Seresto Collar

A puppy in a “down” position, wearing a Seresto collar and a light blue tag

What if I Bought Fake Seresto Collars?

If you think you may have fallen victim to a counterfeiter and purchased a fake product, please do not put it on your animal. Discard the collar and be sure to only purchase authentic Seresto collars from an approved retailer.

FAQs About How Seresto Works

: No, it doesn’t mean this. The collar is odorless, so there are none of the unpleasant chemical smells you may associate with other flea and tick collars.
: Its innovative technology enables it to release the active ingredients over a long period of time. The ingredients are transferred to your pet’s skin and coat and spread across their entire body, keeping them protected from fleas and ticks for 8 continuous months. Seresto kills fleas and ticks through contact¹, so no bite is required for it to work.

Seresto®, Elanco, and the diagonal bar logo are trademarks of Elanco or its affiliates.

All other trademarks are the property of their respective owners.

Seresto is protected by U.S. Patent No. 7,910,122.