Best flea collars for cats in 2021
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Cats, just like all other pets, are vulnerable to fleas, ticks, and other parasites. As a caring pet parent, you need to adopt a method that can be used to control these annoying parasites and keep your cat healthy and happy.

With over 2000 different species of fleas, the Ctenocephalides felis is the most common one that is found in both cats and dogs. These tiny parasites create a home in your cat’s body and feed on his blood to survive. 

A flea collar is one of the accessories that can be used to control fleas and ticks in cats and even dogs. You can use them to supplement other flea management techniques to get the best results overall.

Choosing the best flea collars for your cat is not the easiest thing to do especially when you have multiple cats to deal with. Every cat has his reaction towards a particular flea collar type and the chemicals used might prompt an allergic reaction.

Using the wrong flea collar on your cat can be dangerous because it can lead to health issues especially when the collar uses a toxic based chemical to control fleas.

Nowadays we even have a natural flea collar for cats as an option that is milder and safer to use. Either way, you need to know the product that will serve you best and keep your cat healthy in the long run.

We have gone through many products, did extensive research, and reviewed them just for you. Our buying guide on the 10 best flea collars in 2021 will help you narrow down to the product you want and provide solutions to the questions you might have.


How Do Cats Get Fleas and Ticks?

You know your home is super clean and well maintained, but you are wondering where your furry feline is getting all these annoying parasites from.

Indoor cats can get fleas from other pets or you can be the source too. Don’t get surprised. These little parasites might stick on your cloth or bag during the day in your outdoor errands and they may end up on your cat’s fur in the evening when you return home.

When your cat makes his outdoor adventures, he most likely will get fleas and ticks in many places out there including interactions with other pets and people.

Walking cat

This does not mean that you now deny him the chance to go out and have adventures. It however calls for your critical attention to where your feline friend spends his outdoor time. You can control this by ensuring that you walk him using a harness and leash whenever possible.

8 Shaped Harness

Once these little parasites get their way to your home, they can spread very fast by reproducing. They lay eggs on your cat’s coat which can then drop in different places in your home hence occasioning the spread.

One female flea is reported to lay about 2000 eggs in her lifetime. You, therefore, need to adopt a good method of flea control to remove them from your lovely cat and house at large.


How Do Flea Collars Work on Cats?

Just how do flea collars work on cats? Perhaps this is a question that has puzzled your mind and you are curious to know the answer. It’s quite simple. Flea collars work by emitting substances that are toxic to fleas and ticks.

Some work by emitting gases while others release liquids that spread on your cat’s skin, killing fleas and ticks found lodged on your cat’s body.

Cat flea collar

The ones that work by emitting gases are quite ineffective because it only eliminates fleas around the collar area. It is as well a dangerous mode of action because some toxic substances might also be toxic to your cat or other pets.

We have heard of previous cases where pets have died due to contact with the toxic substance used to control fleas.

The second way is more manageable, safe for use, and gets the work done almost perfectly. The video below from Elanco PetBasics summarizes the mode of action of flea collars.


Advantages Of Flea Collars

1. A safer way to control fleas and ticks

Flea collars with mild active ingredients provide a safer way to keep your cat free from fleas and ticks. This improves your cat’s hygiene and prevents him from getting diseases caused by the parasites.

cat with a collar

2. Breaks the parasite’s cycles

Flea collars, through their active ingredients, are also able to destroy existing flea and ticks’ eggs hence breaking their cycle on your cat’s body.

3. Long-lasting

With one flea collar, you can keep your cat clean for up to 8 months. This makes it an economical and effective way of controlling fleas on your cats.

4. Adjustable length

Most flea collars are adjustable and as such, it makes it easier to fit your cat well even when he grows bigger or loses weight.

5. Lightweight

Most modern flea and tick collars for cats are made with very lightweight material which is easier for them to walk around with. These collars do not add any burden on your cat’s neck when he wears them.


4 Main Types of Flea Collars for Cats

1. Absorption based

These types of flea collars have a more effective mode of action. They release insecticides that spread out on your cat’s body and get absorbed into his outer skin layer. This laces your cat’s entire body with insecticide which then eliminates the parasites from his body.

Absorption-based flea collars are more effective and they kill adult fleas, ticks, and offer additional protection to your cat for months.

outdoor cat

Improved models of these types of flea collars have insecticides with Insect Growth Regulators which help prevent fleas from reproducing and reaching maturity stage.

2. Gas-based

These types of flea collars work by releasing gaseous insecticides which then eliminate fleas and ticks on your cat’s body. As we pointed out earlier, these types of collars are not very effective because they only work within a small range.

3. Natural flea collars

Natural flea collars for cats are made with essential oils, herbal and natural extracts. They are more suitable for cats who have allergic reactions to chemical-based flea collars. Many veterinarians agree that natural flea collars may not be as effective as their chemical-based counterparts.

4. Ultra-sonic flea collars

These collars work by emitting high-frequency noise of between 20 to 60 kHz. The noise is supposed to irritate the fleas and make them leave your cat’s body. It is a good option for those who are more concerned about using toxic substances on their cat’s body to control parasites.

A study by flea science concluded that ultra-sonic flea collars do not affect fleas in any noticeable way. If you choose to buy this type of flea collar for your cat, there is anecdotal evidence that shows it may work. We however recommend using it in supplement with other flea control measures.


What To Look for When Buying a Flea Collar for Cats

When shopping for a suitable flea collar for your cat, you need to consider several factors before making the final purchase decision.

1. Toxic to fleas while non-toxic to pets and humans

A good flea collar should get the job done by killing and repelling fleas from your cat’s body. A more potent one should break the cycles of parasites on your cat by destroying the larvae and preventing any of those little parasites from reaching maturity stage.

Cat with a flea collar

While it does all these, a good flea collar for cats should be non-toxic to both you and your cat. It should prevent NO health hazards when handling with your hands. Remember this is an accessory that releases substances to your cat’s body and is lodged on his neck. Imagine what an unsuitable variant will do to your feline friend.

2. The Scent Produced

The scent produced by a flea collar will certainly be the most noticeable feature neither you nor your cat can avoid. A sharp unpleasant smell may prompt you and your cat to cough which can later lead to health concerns.

Get a collar that produces a soothing sweet-smelling scent that will not compromise your comfort. The smell produced by the flea collar is a direct attribution of the ingredients used.

3. Is it water-resistant?

For a laid-back experience, you need to get a flea collar made with materials that are not affected by water. This is very handy when it comes to bathing your feline friend or when he is outdoors in the rain. You do not have to remove and put it back on every time your cat is exposed to water.

Cat with water

4. Emergency breakpoints

Having in mind that a flea collar is a worn accessory, you need one that ensures your cat remains safe whenever he encounters an emergency and more especially because flea collars are worn on the neck.

A breaking point in a flea collar is a weak point where it can break and tear whenever subjected to high strength. This can happen when your cat is on adventures and gets his flea collar attached to an external object. In an attempt to free himself, your cat’s pull force will trigger the collar to break making him free and safe.

5. Price

Flea collars for cats have different price tags depending on several factors such as the units included in the package. The most common flea collars range from as low as $8 to as high as $60.

The ones that have a higher price also come with added perks aside from their basic core of controlling fleas and ticks. Just get the one that gets the job and fits your budget plan.

6. Is it Synthetic or Natural based?

The insecticides in flea collars that kill and repel fleas can either be synthetic or natural based. Synthetic chemical insecticides have long been associated with allergic reactions from cats and skin reactions.

The natural flea collar for cats is made with plant-based essential oils which have reduced association with allergic reactions and are safer.

We however cannot guarantee how your cat will react to any type of flea collar you use. Every cat has his reaction and it is caused by many factors including his pre-existing health condition.

7. Adjustability

All flea collars for cats have a form of adjustability that enables them to fit many cats of diverse sizes and ages. However, you should pick the one that is made with a material that does not loosen up too quickly when used. A good flea collar should be able to maintain the same size after several months.


Best Flea Collars for Cats 2021

1. Seresto Flea & Tick Collar for Cats

Seresto is without a doubt the most well-known flea collar for cats among pet parents. It is an absorption-based flea collar for cats from Bayer and it has two active ingredients that kill and repel parasites on your feline friend.

The two insecticides, flumethrin, and imidacloprid, are well known for their safety and reliability when it comes to parasite control.

The collar is made with a polymer matrix which is very easy to use and it does not affect your cat. It is odorless, non-greasy and besides killing the adult parasites, it also eliminates larvae and nymphs.

This is very essential in breaking up the flea cycle from your cat’s body. The insecticides have a dual mode of action that attacks fleas in contact with no need for biting. It offers protection for up to eight months on your cat’s body.

It has a water-resistant formula that ensures that your cat is constantly protected even after bathing or playing with water.

Even though the Seresto flea collar for cats is safe for use around children, do not let your children play with them.

Many customers around the globe have a positive account of how this flea collar works best for them. The major concern about it is in the toxicity that has been reported by a handful of users.

We can consider the claims as an exception rather than the rule and it may have been brought up as a result of assumptions.

Pros

Works within a short time of application.

It is easy to use and can be adjusted to various sizes.

It has a quick-release mechanism that is safe for your cat.

The non-greasy formulation makes it very comfortable.

Cons

Some users have raised issues about their cats’ developing sores around the neck. Although the cause is not confirmed, this is something you might want to consider.

Have a look at the video below from Bayer US that showcases this product


2. Hartz Ultra Guard Flea and Tick for Cat and Kitten Collar

This flea collar is recommended for use by cats and 12 weeks or older kittens. It has a fresh scent that will complement your feline friend’s elegance while being able to kill and repel all ticks and fleas from his body.

It has a formulation capable of killing fleas and ticks for up to 7 months. It has been reported that sometimes it can work in less than 7 months but at the least, it will get your cat going for 4 months.

This collar’s design is unique and can complement your cat’s regular collar for added beauty. Talking of beauty, Hartz has made this collar with a reflective strip that gives your cat added visibility in dark areas.

The hartz ultraguard flea and tick collar for cats has a water-resistant formulation that enables it to continue working even after your feline friend takes a stroll in the rain or after bathing. It has a safety release snap that breaks away easily to permit your cat to escape in case of any emergency.

Pros

It is affordable.

The reflective strip increases visibility.

The fresh scent is long-lasting too.

Cons

It might need other forms of flea control to work best.


3. Flea and Tick Collar for Cat, Made with Natural Plant Based Essential Oil

If you are more concerned about chemical-based flea collars, then you have the option to buy a natural-based one that might work well for your cat.

This flea collar has the following mixture of natural essential oils; Citronella oil, Cinnamon oil, Garlic oil, Lemongrass oil, and Thyme oil.

All these oils constitute the active ingredients that will kill and repel fleas and ticks from your kitty’s body. They together give out a Light citronella natural scent which is appealing to both the cat and other pets.

The flea collar is non-greasy making it comfortable for your cat and also very easy to use. It offers protection for up to 12 months which is impressive.

It is adjustable and can be used by any cat of 10 weeks old and above. You will simply have to adjust the neck circumference to get a fit that works well for your cat. This product can also be used to remove fleas and ticks from dogs.

The ShengKou has a water-resistant design that will extend protection even under the rain, swimming, or while taking a bath. You just need to be careful about the duration you expose this collar to water. Longer exposure will reduce the service life.

Last but not the least, this collar offers an emergency breaking point that allows your cat to escape with ease in case of an emergency.

Pros

It works fast and effectively.

It is safe for your cat and the surrounding.

The citronella smell is nice.

It is easy to use.

Cons

It might tend to loosen a bit after some time of use.


4. SOBAKEN Flea and Tick Prevention for Cats, Natural Flea and Tick Collar for Cats

Here, we also have another natural-based flea collar for cats. This one is from SOBAKEN and it can protect your cat from fleas and ticks for up to 8 months.

SOBAKEN has used a new insecticide formula for this flea collar which is more powerful and it is capable of breaking the flea cycle from your cat’s body.

The formulation is hypoallergenic for both you and your cat. Something we cannot guarantee is how your cat will react to this product, every cat has his reaction to collars. Some are linked to diet, environment, pre-existing medical conditions, and much more.

The collar is adjustable making it a perfect option for cats of all ages and sizes. It has a water-resistant polymer matrix that will continue to work even after your cat is rained on or after bathing.

Do you love and care about animals? You can participate in changing the story and saving animals by purchasing this product today. SOBAKEN takes $3 of every purchase to organizations working towards saving and improving animals’ welfare.

Pros

It works well for all cat sizes.

It kills and prevents a variety of parasites.

The scent is pleasant.

Your purchase donates a fraction to saving animals charity.

Cons

Might work for less than 4 months.


5. Pets vv 2 Pack Flea Collar for Cats, Adjustable Cat Tick Collar for 8-Month Protection

This flea collar from pets vv brand comes in duplicate and it can be used for up to 7 to 8 months. It uses an insecticide formulation that kills and repels parasites by contact and not biting. Greater results are seen when you give your cat a flea bath before using this product on him.

The insecticide is safe for pets and humans hence ensuring that the entire family remains safe as you eliminate parasites from your feline friend. The natural plant essential oil used in the formulation is both mild and sweet-smelling and yet dangerous to fleas and ticks.

This flea collar has an automatically adjustable design, makings it a good option for both kittens and cats. It is also very easy and convenient to use.

The polymer matrix of this collar is water-resistant. This extends protection to your cat even when he is under the rain or after taking a bath.

The collar has an emergency breaking point with natural formula components which allows your cat to escape with ease in case of emergencies.

Pros

Nontoxic and hypoallergenic to you and your cat.

It has a quick action time.

The scent is pleasant.

Cons

Might stop working within a few months of usage.


6. MONIPGU Flea and Tick Collar for Cats,2 Pack, Natural Flea and Tick Prevention for Cats

This flea collar from MONIPGU will offer your cat protection against fleas and ticks for up to 8 months. Some users have reported a shorter timeline of service but that will depend on the conditions you subject this product to. Even though it is water-resistant, constant and longer exposure to water can reduce its efficiency and service life.

It has a natural-based formulation that is hypoallergenic and hence safe for use within a family setting. Despite this rating, it is recommended to keep this product away from children because they might tamper with it or chew.

The formulation kills and repels parasites of different types ranging from fleas, ticks, chewing lies, sarcoptic mange, and even flea larvae. This is essential because it breaks the flea cycle hence improving your cat’s hygiene.

One user has reported that this product worked well in eliminating ticks from his cat more than fleas. He further observed that it works best for fleas around the neck area more than any other part of his cat’s body. Again, this is not a rule and it may not apply to you, but we can see that it achieves good control for ticks.

This collar has an adjustable length that can be altered to fit cats of all sizes and ages. The innovative release technology used makes it easier to put on and use this product. It also has an emergency breaking point which allows your cat to escape with ease from a worrying situation.

Pros

A nice collar for the price.

It has a good smelling formulation.

It controls a variety of parasites.

Cons

The scent is not long-lasting compared to other similar collars.


7. ONMOG Collars for Cats, Safe, Natural and Effective Cats Collars, Works with Water Collar for Cats

This flea collar from ONMOG is non-greasy, making it a comfortable product to use as it does not cause a mess on your hands nor your cat’s body. It is made with a natural-based insecticide formulation which has a pleasant smell making it a good option to use in a family setting.

This collar kills and repels fleas, and ticks together with their larvae hence breaking the parasites’ cycle on your cat’s body. It offers up to 12 months of protection but this duration may be shortened depending on the usage conditions.

The polymer matrix making this collar is water-resistant, it, therefore, assures your cat of continuous protection after bathing or swimming. Be careful not to continuously expose this collar to water because it will reduce the service life and effectiveness.

The collar has an adjustable length that makes it a good fit for cats of all sizes and ages. It is very easy to use and maintain this collar.

ONMOG assures all buyers of a one-month warranty in all units of this collar bought. If you get a defective unit, you will be guaranteed a free return and full refund within one month.

Pros

It is of high quality and very stable on the neck.

Very easy to use.

It leaves your cat’s coat smooth.

It can be used for dogs too

Cons

It might not serve for 12 months but it will give you a reasonable service life.


8. Flea and Tick Collar for Cats,8-Month Tick and Flea Control for Cats

Youzxde offers this flea collar that controls parasites on your cat for up to 8 months. It has an adjustable design that makes it a perfect fit for cats of all sizes and ages.

It has an insecticide formulation that is made with plant-based natural oils which are hypoallergenic. This makes it a good option to use in a family setting.

When subjected to external force, the collar has an emergency braking point that will allow your cat to escape with ease. This is a safety feature that ensures your feline friend remains safe even on adventures.

With a water-resistant design, your cat will continue to enjoy maximum protection even after swimming or taking a bath.

Pros

It has a pleasant scent.

Works for a variety of parasites.

Very easy to use and maintain.

It has useful safety features.

Cons

It might loosen after a few months of service.


9. Rolf Club 3D FLEA Collar for Cats – Flea and Tick Prevention for Cats

This flea collar from Rolf Club works with small to large cats and it has a service life of up to 8 months. It offers control against several parasites including fleas, ticks, larvae, and even mosquitos. The collar releases insecticide which kills the parasites on contact before they bite your feline friend.

The insecticide formulation is non-toxic and hypoallergenic. This means that it treats your feline friend with care and safety.

It is also a good option to use in a family setting, just make sure you do not keep it near children who can tamper with it. The new formula used ensures that your cat does not get any allergic reactions when using this collar.

The collar releases a pleasant smell that is also not dangerous for you nor your cat. It has a quick mode of action that starts eliminating fleas within the first 24 to 48 hours of installing it.

The polymer matrix of this collar has a water-resistant design that ensures your cat receives his protection even after exposure to water. Take caution on the amount, frequency, and time of water exposure because it can potentially reduce the service life of this collar.

Pros

It also works to eliminate mosquitos.

It has a pleasant smell.

It works well for its price

Cons

It might work well for the first 2 to 4 months of usage.


10. TropiClean Natural Flea & Tick Repellent Collar for Cats – Flea & Tick Collar for Cats

Unlike most of the flea collars for cats on our list, this particular unit from TropiClean has an advertised service life of 4 months. It is an absorption-based flea collar that releases insecticides to your cat’s body evenly to kill and repel parasites.

It has a Cedarwood & Peppermint scent which is pleasant for both cats and humans. The scent comes from the active ingredients cedarwood and peppermint oils which are natural and nontoxic.

The collar has a breakpoint design which will snap off when subjected to a strength of 4.5 pounds or above. This is a good safety feature to enable your feline friend to escape with ease when he gets into an emergency.

It is made with a water-resistant matrix which allows you to bathe your cat without necessarily removing the collar. This guarantees your cat all-around protection against fleas and ticks.

Pros

It is easy to use.

It has a pleasant natural scent.

It does the job decently.

Cons

It has a stiff construction that might easily break off when adjusting the size.


Conclusion

Now that you know the 10 best flea collars for cats in 2021, I hope that you have found a product or two that fits your needs and budget.

It is of essence that I remind you that all cats might exhibit a different reaction to flea collars. My cat’s reaction might not necessarily mean that yours will react in the same manner.

The most important thing is to find a nontoxic flea collar that does not compromise your health or that of your cat.

Thanks for reading through my buying guide. If you have any questions or concerns, please leave a comment below and I will attend to you.

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