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.

Vaseline for Cat Hairballs? What Vets Want You to Know First

Can Cats Eat vaseline

You’re watching your cat hack up yet another hairball on your carpet when someone suggests Vaseline. Wait, what? That stuff sitting in your bathroom cabinet? It sounds bizarre, maybe even dangerous, but people swear by it for treating hairballs. So what’s the actual truth here? Is Vaseline safe for cats, or are you about to accidentally poison your pet with petroleum jelly?

The short answer is that Vaseline isn’t toxic to cats in small amounts and has actually been used to treat hairballs for years. But before you start slathering it on your cat or mixing it into their food, there are some real risks you need to understand. The difference between helpful and harmful comes down to how much your cat ingests and whether they have any underlying health issues.

Let’s dig into what Vaseline actually is, how it works for cats, and when it becomes dangerous.

divider cats oct 2024

What Vaseline Actually Is

Vaseline is petroleum jelly, also called petrolatum, made from a mixture of waxes and mineral oils.

People use Vaseline for everything. It heals minor burns and cuts, moisturizes dry skin, prevents diaper rash, removes eye makeup, adds shine to hair, lubricates squeaky doors, and even moisturizes pet paw pads. It’s one of those products that seems to have endless applications.

But just because it’s useful doesn’t automatically mean it’s safe for your cat to consume.

lubricant or Vaseline
Image Credit: Anna Gawlik, Shutterstock

The Petroleum Connection

Knowing that Vaseline comes from petroleum might make you nervous. After all, petroleum products include gasoline and crude oil, neither of which you’d want anywhere near your cat. But here’s the important distinction: the petroleum found in petroleum jelly is safe for both humans and pets because it’s been triple-purified to remove any cancer-causing substances.

Vaseline acts as an occlusive substance, meaning it forms a protective layer on the skin’s surface without being absorbed. Your cat’s skin won’t absorb it, and neither will their digestive tract. Instead, the petroleum jelly forms a coating along the digestive system and on hairballs, which is actually how it helps move them through.

So putting Vaseline on your cat’s paw pads or skin is safe, and small amounts ingested won’t poison them. The key phrase here is “small amounts.”

divider cat paws oct 2024

Understanding Hairballs

If you own a cat, hairballs are probably an unwelcome but familiar part of life. They tend to show up more frequently in spring and fall when cats shed heavily and swallow more fur during grooming. Some households deal with them year-round.

Most of the fur your cat ingests passes through their digestive system without issue and comes out in their feces. Hairballs form when the digestive system can’t properly move the ingested hair out of the stomach and intestines. The problem is usually motility, meaning the movement of hair through the digestive tract gets disrupted.

Certain illnesses can slow down digestion and contribute to hairball formation. Hyperthyroidism, inflammatory bowel disease, gastroenteritis, and other gastrointestinal problems can all make hairballs worse or more frequent.

pet hairball on owner hand after combing the cat
Image Credit: RJ22, Shutterstock

How Vaseline Helps With Hairballs

Most cats vomit up hairballs occasionally, which is completely normal. But there are supplements designed to help prevent them, and most of these contain petroleum jelly mixed with flavoring to make them more appealing to cats. They work by helping move hair through the digestive system more efficiently.

Some veterinarians recommend these petroleum jelly supplements for cats with recurring hairball issues. If you’re thinking about using plain Vaseline instead of a commercial product, talk to your vet first. They can determine whether it’s the best option for your specific cat and situation.

divider cat paws oct 2024

The Real Risks of Vaseline

While Vaseline can effectively treat hairballs and even constipation, there are legitimate dangers you need to know about before giving it to your cat.

Aspiration Pneumonia

Vaseline is made with mineral oil, which is extremely harmful if cats inhale it. If your cat breathes in petroleum jelly, it can enter their lungs and cause aspiration pneumonia and potentially fatal lung toxicity.

The chances of this happening aren’t huge, but they’re real enough that you should keep Vaseline away from your cat’s face, especially around their nose, where inhalation becomes more likely. Never force your cat to eat Vaseline. Forcing it increases the risk that they’ll accidentally inhale it, and that’s when serious lung damage becomes a genuine threat.

Dehydration and Nutrient Deficiency

Here’s the irony: the same property that helps Vaseline move hairballs through the digestive system can also prevent your cat’s body from absorbing water and nutrients properly. Over time, this can cause stomach issues like diarrhea and dehydration. The lack of proper nutrient absorption can eventually lead to more serious health complications.

A healthy cat can handle small amounts of Vaseline without problems. But if your cat already has underlying health issues and regularly consumes petroleum jelly, you could be making things worse instead of better.

Hispanic woman working in modern vet clinic talking to bengal cats owner
Image Credit: Pressmaster, Shutterstock

Talk to Your Vet First

Before you reach for that jar of Vaseline as a home remedy, call your veterinarian. Your cat’s hairball problem might actually be a symptom of an underlying health issue that needs professional diagnosis and treatment. The last thing you want is to create additional health problems while trying to solve one on your own.

Your vet can determine whether Vaseline is appropriate for your cat’s specific situation or if there’s a better, safer alternative. They can also rule out medical conditions that might be causing excessive hairballs in the first place.

divider cats oct 2024

The Bottom Line

Vaseline can provide real benefits for cats, including helping with stubborn hairballs. But petroleum jelly also carries risks, particularly if your cat inhales it accidentally or consumes too much over time. Small amounts are generally safe for healthy cats, but that doesn’t mean you should start using it without veterinary guidance.

Your cat’s health and safety matter too much to rely on bathroom cabinet remedies without professional input. Talk to your vet before giving your cat Vaseline, and make sure it’s truly the best option for their situation. Sometimes the simple solution is the right one, but sometimes it’s just simple.


Did You Know? 

  • Our brand-new posts are rounded up and included in our weekly emails. Don’t miss out on the latest – sign up for our newsletter below!


 

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

24 Types of Ragdoll Cat Colors & Patterns (With Pictures)

Ragdoll cats are wonderful for so many reason, including a generally relaxed and affectionate nature. Their striking blue eyes and soft, medium-length coat...

How Old is My Cat? Vet-Approved Ways to Determine Age

Adopting a rescue cat is one of the best feelings in the world. You get to give a cuddly feline a good home...

Why Does My Cat Meow So Much? 6 Reasons (Vet Answer)

Cats can be the most loving, loyal, and fun companions. They can be less time-consuming than other pets and often fit more easily...

Rare Cat Diseases: 10 Illnesses & What to Watch For (Vet Answer)

When you’re owned by a cat, you want to make sure you know all there is to know about their grooming, feeding, preventative...

More related

Is Nephthytis (Arrowhead Plant) Poisonous to Cats? Vet-Reviewed Houseplants Examined

Nephthytis (arrowhead plant) is a common and popular houseplant due to its air-purifying properties. If you’re a plant and a cat lover, you...

Munchkin British Shorthair Cat Mix: Info, Pictures, Temperament & More

The Munchkin British Shorthair mixed breed creates a feline with short legs with many British Shorthair traits. Generally, these cats almost always have...

Do Cats Get Mad When You Leave? Feline Feelings Explained

If you’ve come back from vacation and your cat is acting a bit strangely, you may be wondering if cats get upset when...

Chinchilla Cat: Info, Pictures, Care & Traits

A Chinchilla cat is not a separate cat breed or an unlikely mix. Instead, this term refers to a specific coat type of...

Keep reading

Prosthetics for Cats: Vet-Verified Info & Success Stories

Prosthetics help restore mobility to pets who’ve lost limbs, by allowing them to walk, jump, and run more naturally. Cats do fine with one leg missing, but amputations often result in increased stress being distributed to pets’ spines and remaining...

cat with prosthetic legs

6 Common Scents Cats Absolutely Hate, And Why That Helps You

If you’ve ever come home to the unmistakable smell of cat pee on your favorite chair or rug, you know the frustration is real. Cats naturally mark their territory with urine, but when they start choosing your furniture over the...

close up of an angry cat facial expression

Why Do Cats Like Salt? 3 Vet-Reviewed Reasons

There’s nothing quite as tasty as a handful of salty nuts or a bowl of potato chips. But unfortunately, your cat might agree and try to snatch chips right out of your hand. As strange as it may sound that...

Food sea salt of a coarse grinding and grey cat on the table

9 Best Hairball Remedies for Cats in 2026 – Reviews & Top Picks

It’s never pleasant when your best feline friend coughs up a hairball. With cats cleaning themselves so often, it’s inevitable for all that fur to cause problems. Hair, or fur in this case, can’t be digested. These nine reviews will...

cat hairball

My Cat Ate Cheese: Vet Approved Advice on What to Do

Cats are curious creatures that love to explore their environment. They often stumble upon various human foods on their adventures, which will likely result in tasting them. However, certain foods could be toxic or dangerous to cats. One common human...

My Cat Ate Cheese

10 Best Flea Sprays for Cats (2026) – Reviews & Top Picks

Fleas can be irritating at the best of times, but if left untreated, they can cause discomfort and even lead to your cat developing flea allergy dermatitis. At the first sign of fleas, it’s a great idea to treat your...

Cat-with-fleas

Can Cats Eat Oatmeal? Vet-Reviewed Facts & Considerations

There are few staple breakfast foods that keep you satisfied and full of energy like oatmeal does. But just because it’s good for us doesn’t mean oatmeal is good for cats. So, can cats eat oatmeal? Oatmeal is technically safe...

Can Cats Eat Oatmeal

Are Dahlias Poisonous to Cats? Vet-Reviewed Houseplants Examined

Dahlias are perennials that bring a splash of color to late-summer gardens. The flower blooms from mid-July until the first frost in most parts of the U.S. Smaller varieties grow well in pots, and many gardeners bring the cut flowers...

Catster_Are Dahlias Poisonous to Cats