Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Will a Cat Litter Deodorizer Work? Vet-Approved Facts & Info

man cleaning smelly litter box

There’s no doubt that people everywhere love cats. In fact, they outnumber dogs in some countries. However, there’s one thing that most people find unappealing about cats: their stinky litter boxes. Indeed, few things are more offensive to the nose than the smell of cat poo.

To the rescue comes cat litter deodorizer! This is a product that you can spread on cat litter to neutralize the smell of your cat’s waste. However, does it actually work? The answer is that cat litter deodorizers do help control litter box odor, but they aren’t considered a substitute for litter box hygiene and maintenance.

Now that you know a cat litter deodorizer will work, there’s a good chance that you have other questions. For example, is litter deodorizer safe for cats? What else can you use to stop a cat litter box from smelling? We answer these questions and several others here. If eliminating the smell left behind by your feline friend is your goal today, read on!

divider 2 cats

Is Litter Deodorizer Safe for Cats?

You’ll be relieved to know that cat litter deodorizer made specifically for cats is safe for them. One problem, though, is that some cats might object to the heavy fragrances that some companies use in their cat litter deodorizers. The scent of some deodorizers can be very potent, especially in a covered litter box, and some cats don’t like that at all.

Even the best cat litter can quickly start smelling bad. To avoid the expense and inconvenience of constantly replacing your litter, you can try a great litter additive like Hepper's Advanced Bio-Enzyme Cat Litter Deodorizer, a natural product that uses bio-enzymes to neutralize odors.

Hepper Advanced Bio-Enzyme Cat Litter Deodorizer Powder
  • Bio Enzymatic Cat Litter Freshener - Smart formulation uses natural ingredients eliminating cat...
  • Save Money - Stuff for cats isn’t the cheapest. With this litter box odor eliminator, you’ll...
  • Every Litter, Every Surface - Are you afraid this additive won’t work on your litter? Fear not!...

This deodorizer works on all types of litter and won't disrupt your cat's litter box habits.

At Catster, we’ve admired Hepper for many years and decided to take a controlling ownership interest so that we could benefit from the outstanding designs of this cool cat company!

What Else Can You Use to Stop a Cat Litter Box From Smelling?

Aside from a cat litter deodorizer, you can do several other things to stop a cat litter box from smelling. Some work better than others, but all of the methods here will help you reduce or eliminate litter box odors.

Add a Few Spoonfuls of Baking Soda

The active ingredient in many commercial litter deodorizers is baking soda. Baking soda has been around for decades and is a fantastic odor-neutralizer. It’s also cat-safe, costs very little, and is easy to use. You can put 2 or 3 tablespoons of baking soda in the bottom of the litter box every time you change the litter.

Use an Air Filter

A HEPA (high-efficiency particulate air) air filter with a carbon filter inside it will help control odors in your home, including those emanating from a litter box.

Scoop the Poop Daily

This odor-reducing method is a no-brainer, but in today’s busy world, it is also something many cat owners forget. The more poop in a litter box, the stinkier it will become. Cleaning your cat’s litter box daily is a great way to keep the smell to a minimum.

Replace the Litter Box

Plastic litter boxes can inherently retain odors, and over time, you may notice that the problem isn’t the litter but rather the box itself. Replacing the litter box might be a good idea in such a scenario.

Ventilate the Area

Another way to help control cat litter odor is to open a window or door or place your cat’s litter box in a well-ventilated area. Good airflow will help reduce the odor.

Wash the Litter Box

It is recommended to thoroughly clean the litter box at least once a week, or more often if you have more than one cat.

Did you know there's an enzyme cleaner that does it all? The Hepper Advanced Bio-Enzyme Pet Stain & Odor Eliminator Spray permanently removes the very worst smells and stains (truly, everything you can imagine!), and they offer a 100% satisfaction guarantee! Click here to get yourself a bottle.

Hepper Advanced Bio-Enzyme Pet Stain & Odor Eliminator Spray
  • ADVANCED ENZYMATIC CLEANER - Penetrates the most stubborn smells and stains at the deepest molecular...
  • FOR ANY MESS, ON ANY SURFACE - This pet odor eliminator cleans your carpets, floors, furniture,...
  • FRESH, NATURAL ODOR - Our unique formulation doesn't rely on dangerous or unpleasant chemical...

At Catster, we’ve admired Hepper for many years, and decided to take a controlling ownership interest so that we could benefit from the outstanding products of this cool cat company!

divider 3 paws

How Often Do You Need to Change Cat Litter?

Most cat litter is effective at reducing the odor left behind by your cat. However, cat litter isn’t made to last forever and in most cases, needs to be changed regularly. Also, several factors affect the frequency of changing your cat’s litter.

You should scoop out used litter from your litter box at least once daily. In addition, the litter as a whole should be replaced at least once a week. If you have multiple cats using the same litter box, this frequency needs to be increased.

How often you change your cat’s litter also depends on your cat. Some cats are very fastidious and won’t use their litter box if they find it too unpleasant. For those cats, you might need to change the litter more often. Then, of course, there’s the nose right on your face. If your nose tells you it’s time to change the cat litter, you should take its advice.

woman cleaning her pet cat's litter box
Image Credit by: sandyman, Shutterstock

How Much Litter Should You Put in a Cat Litter Box?

In most situations, you only need 2 to 3 inches of litter. Though many cats can deal with more litter depth, it’s difficult for the litter deodorizer placed in greater depths to effectively control the smell from such a depth.

Do Closed Cat Litter Boxes Smell Less?

There’s no denying that some cats love enclosed spaces like boxes. That’s why such cats like doing their business in a closed litter box. The question is, do closed cat litter boxes smell less than open boxes? The answer is that, unfortunately, this isn’t always the case. While a closed litter box may help contain odors in some circumstances, it doesn’t reduce them. It’s also important to remember that some cats might not prefer a closed litter box.

Do Air Purifiers Get Rid of Cat Litter Smell?

As mentioned earlier, an excellent way to neutralize odors from your cat’s litter box is to place an air purifier nearby. Air purifiers work by pulling air in with a suction fan and filtering it before blowing it back out. When they do, the microscopic particles that cause pet odors are absorbed by the activated charcoal and other filters inside the air purifier. They can also help reduce other odors throughout your house and make the air cleaner for you and your cats. For that reason, many cat fanciers find air purifiers to be an excellent odor-reducing solution.

divider 1 paws

Final Thoughts

As we’ve seen, cat litter deodorizers work and are an accepted method of reducing the unpleasant odors emanating from a cat litter box. However, some cats might object to the litter deodorant’s strong scent, and a different deodorizer or odor-reducing method may be more pleasant for your pet. We hope you find a solution that works for your cat and keeps the litter box odors to a minimum.


Featured Image Credit: xamnesiacx84, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.

How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

How Do Cats Like to Be Held? Facts & Safety Tips

Owning a cat is a privilege that many of us acknowledge. Cats have unique quirks, fun little habits, and a sense of independence...

How to Train Your Cat: Vet-Approved Cat Training Guide

Cats have reputations that precede them. Even cats that are incredibly affectionate and what some owners might call “dog-like” can be incredibly headstrong....

Why Is My Cat Acting Weird? 5 Vet-Reviewed Reasons

Some cats display what many owners would consider odd or weird behavior regularly. Others settle into a routine and can be quite predictable....

Do Your Cats Like Wearing Clothes? Vet-Reviewed Ethics of Dressing Cats

There’s no shortage of cats in clothing on Instagram. Search for that term, and you’ll find cats in everything from holiday costumes to...

More related

Do Cats Feel Remorse or Guilt the Same Way Humans Do? Dealing With Bad Behavior (Vet-Reviewed)

While your beloved cat feels connected to you, he won’t feel bad if he pees or poops outside the litter box, scratches up...

Rabies Vaccines for Cats: A Complete Guide (Vet Answer)

Vaccines are an important way of contributing to your cat’s medical care and ensuring they stay healthy for many years to come. In...

Is It True That All Cats Shed? Vet-Reviewed Facts

If you’ve noticed a ton of hair around the house and your cat is shedding non-stop, you might be wondering if all cats...

Ask Dr. Paola – Stress, Treats & Biting (October 20, 2025)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

Keep reading

Your Cat Doesn’t Like Catnip? 6 Vet-Approved Alternatives

Not all cats are reactive to catnip. And sometimes, you might not like your cat quite as much when they are on the catnip high. Some can be very hyperactive and even aggressive. So for whatever reason you’re looking for...

Closeup of a cat eating catnip

Kirkland Signature Cat Food Review of 2025: Recalls, Pros & Cons

Kirkland Signature Cat Food Review Summary Home to bulk bargain buys, Costco provides the ultimate warehouse shopping experience. And often you can find some of the best brand name goods and groceries for a great price. Costco also has its...

Kirkland Signature Cat Food Review

How to Identify and Stop Food Aggression in Cats: Vet-Reviewed Advice

Cats are in touch with their wild side. You’ll see examples in their behavior, which may seem inappropriate in the home setting, but served them well at a different time. Survival is the primary motivator for most instinctive behaviors, which...

siamese cat eating food from bowl at home

Can Cats Drink Sunflower Oil? Nutritional Facts & FAQ

Cats are incredibly curious creatures that like to poke their noses, tongues, mouths, and paws into anything and everything. An inquisitive cat in the kitchen is a common occurrence for cat owners who cook. It is essential to know if...

Can Cats Drink Sunflower Oil

6 Best Dry Cat Foods in Australia in 2025 – Reviews & Top Picks

Choosing the right food for your cat is one of the best ways to ensure your kitty’s health and longevity. It can be confusing to pick a cat food with so many brands, and many of them use marketing ploys...

grey cat eating food

Why Do Cats Like Beards? 7 Vet-Reviewed Reasons

You may have noticed that your cat is fond of your beard, often snuggling up to it while you sleep and maybe even licking or biting it. But what causes this behavior? The most likely reason cats like beards is...

bearded man cuddling a cat close up

Can Cats Eat Oysters? Vet-Reviewed Facts & FAQ

The feline love for various types of seafood is well-known, but what about mollusks like oysters? The short version is that a plain, fully-cooked oyster is unlikely to harm a cat, but raw oysters and their shells are not safe...

Can Cats Eat Oysters

How to Tell If My Cat Has Ear Mites: 5 Vet-Reviewed Signs To Look For

Ear mites are small parasitic creatures that can cause significant damage to cats’ ears. Left untreated, ear mites can lead to a serious infection and even deafness in cats. If you suspect that your cat has ear mites, take them...

kitten with ear mites