3 Ways To Use Peppermint Oil To Keep Mice Out Of Your Car

how to keep mice out of your car

Mice can be quite the nuisance, especially when they decide to make a cozy home in your car. If you’re someone who values natural methods, you’ve come to the right place! It turns out that peppermint oil is one effective and eco-friendly way to deter these pesky rodents from your vehicle.

So why is peppermint oil so effective against mice? Well, it has to do with their keen sense of smell. Our furry foes possess noses that are 1,000 times more sensitive than ours – quite the sniffing superpower! The strong aroma of peppermint oil overwhelms and confuses their olfactory system, which makes them scram. It’s safe to say that for mice, when it comes to peppermint, the scent-sation is a bit too much!

To keep mice away from your car using peppermint oil, you can take a few easy steps- and we’ll talk about those today! Keep reading for all the information you’ll need to effectively use peppermint oil to get mice out of the car!

Key Takeaways:

  • Peppermint oil is a natural and eco-friendly way to repel mice from your car.
  • Mice have an extremely sensitive sense of smell; the strong aroma of peppermint oil overwhelms them, deterring them from your vehicle.
  • To use peppermint oil in your car, soak cotton balls in the oil or create a spray mixture, applying in your car’s cabin and engine area.
  • Reapply the oil every two weeks, and replace cotton balls a couple of times a week for the best results.

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Why do mice Hate Peppermint Oil?

bottle of peppermint essential oil

There’s a few specific reasons why peppermint oil works to repel mice! Let’s discuss!

Scent and Mice

As you know, mice have a highly sensitive sense of smell, and the menthol scent of peppermint oil can be overwhelming for them. This strong smell of peppermint oil actually burns their nose, making your car an unattractive environment for them. Based on research from NYS Integrated Pest Management System and this is a key reason why peppermint oil can be effective in repelling mice from your car. Moreover, the scent of peppermint oil effectively masks the smell of food crumbs, which might otherwise attract these pesky rodents.

Natural and Safe Method

Protecting your car from rodents doesn’t have to involve harsh chemicals or harmful traps. Using essential oils like peppermint oil is a natural and safe method for deterring mice from a car. Since it’s an essential oil, it poses minimal risk compared to potentially toxic chemicals or harmful traps. However, remember to reapply the oil regularly to maintain its effectiveness.

3 Ways To Use Peppermint Oil to keep Mice Away From Your Car

MethodSuppliesStepsHow Often to Refresh
Spray Bottle100% Pure Peppermint Oil, Spray Bottle, WaterCombine pure peppermint oil with 1 cup of water in the spray bottle. Shake well before each use to mix the solution. Spray it around your car, focusing on the areas where you’ve noticed mouse activity. The perfect DIY peppermint repellent!Reapply every two weeks
Cotton BallsPure Peppermint Essential Oil, Cotton BallsDab a few drops of 100% pure peppermint oil onto each cotton ball. Place the cotton balls strategically around your car where mice like to hide, such as under the seats or in the trunk.Replace every two weeks
PouchPure Peppermint Essential Oil, Small Cloth PouchesAdd a few drops of peppermint oil to the cloth pouches. Place the pouches in the areas of your car where you suspect mouse activity.Refresh every two weeks

If you’d like, here are some more specifics on peppermint oil’s mouse repelling properties in our other article!

Other Essential Oils To Keep Mice Away From Your Car

While peppermint oil is great for keeping mice away from your car, there are other essential oils that can also help in repelling these pesky critters. The trick is to find the right scent that mice find offensive, yet pleasant to you!

Diffusers and Essential Oils

Utilizing a car diffuser like this Aromatherapy Essential Oil Car Diffuser with various essential oils can help keep mice at bay, while also keeping your car smelling fresh. Here’s a list of essential oils that are effective against mice:

Essential OilWhy it repels mice
Thyme oilIts strong scent is overwhelming to mice.
Pine oilThe woody scent is uninviting to mice.
Eucalyptus oilThe strong and refreshing scent is unpleasant to mice.
Lavender oilThe floral scent is off-putting to mice.
Balsam fir oilThe crisp, forest-like fragrance is unattractive to rodents.
BergamotThe citrusy scent is overwhelming and unpleasant to mice.
Lemon oilIts zesty aroma is a no-go for mice.
Lemongrass oilThe citrusy aroma is unpleasant to their senses.

Just imagine the delightful aromas and the mice-repelling benefits! Simply add a few drops of your preferred essential oil to your car diffuser, and let it work its magic!

Planting Mint

Did you know that mice have an aversion to mint plants? Planting mint around your car’s parking area can deter mice from coming too close. Sure, it’s not as portable as peppermint oil or a diffuser, but it’s a fantastic, natural way to get the job done!

To further increase the effectiveness, you can experiment with growing other aromatic herbs, like rosemary and lavender. Your car will be like a fortress, impervious to the tiny intruders!

While peppermint oil in a car is an excellent way to repel mice, there are other options to explore. Give these methods a try, and soon these furry troublemakers will be a distant memory! Remember, sometimes it’s better to go the natural and aromatic route!

Alternatives To Peppermint Oil

Peppermint oil can be an effective natural solution to repel mice in an RV, shed, or garage. Here are some locations where you can apply peppermint oil to repel mice effectively:

In an RV:

  • Spray peppermint oil around the perimeter of the RV, especially in areas where mice may enter, such as around doors and windows.
  • Place cotton balls soaked in peppermint oil in corners, cabinets, and other areas where mice may hide.
  • Use a diffuser to release the scent of peppermint oil into the air.

In a shed:

  • Spray peppermint oil around the perimeter of the shed, especially in areas where mice may enter, such as around doors and windows.
  • Place cotton balls soaked in peppermint oil in corners, shelves, and other areas where mice may hide.
  • Fill small sachet bags with dried peppermint leaves or cotton balls soaked in peppermint oil and place them in areas where mice may enter or hide.

In a garage:

  • Spray peppermint oil along the perimeter of the garage and in areas where mice may enter, such as around doors and windows.
  • Place cotton balls soaked in peppermint oil in corners, shelves, and other areas where mice may hide.
  • Use a diffuser to release the scent of peppermint oil into the air.

Remember to reapply the peppermint oil every few days to ensure its effectiveness in repelling mice. Additionally, it’s important to note that while peppermint oil can be effective in repelling mice, it may not be sufficient as a standalone solution and should be used in conjunction with other pest control methods.

Preventative Measures

Garden Dormouse, Eliomys quercinus, 2 months old, in front of white background

Seal Gaps and Holes In Your Car

Pest control starts with sealing gaps and holes in your car. Mice can sneak in through the smallest of openings. Inspect your garage, attic, and vehicle for any potential entry points. Consider applying caulk or other sealants to prevent rodents from infiltrating your precious ride. One example is sealing the gaps in your car’s insulation, which can prevent mice from nesting within it.

Declutter Vehicles

A cluttered car can be an inviting place for mice to build their nest. Clear your vehicle of paper, garbage, tissues, and fast-food bags. This reduces possible food sources for rodents and makes it less desirable for them to enter. Try to keep your car’s interior as clean as possible!

Other Methods To Using Peppermint Oil To Keep Mice Away

MethodHow to useEffectiveness
MouthwashUsing peppermint mouthwash or a flavored mouthwash like spearmint and wintergreen oils have a scent that mice may find unpleasant, using this method is not an effective way to deter mice.Low
Spearmint OilSoak cotton balls in undiluted spearmint oil and place them in corners and other areas where mice may hide. The scent of spearmint can help to deter mice.Moderate
Wintergreen OilSoak cotton balls in undiluted wintergreen oil and place them in corners and other areas where mice may hide. The scent of wintergreen can help to deter mice.Moderate
AltoidsPlace a few drops of undiluted peppermint oil on a cotton ball or tissue and place it inside an Altoids tin. The strong scent of peppermint can help to deter mice and other pests.

When to Call Professionals

Although peppermint oil can be an effective mice deterrent for your car, there are situations when professional pest control is necessary. If you’re dealing with a large-scale mouse infestation in your home, it’s time to call the experts! They have the knowledge and tools to quickly and safely get rid of mice. Additionally, if you’ve tried peppermint oil and other natural methods with little to no success, a professional can provide more powerful solutions.

At times, it’s better to leave it to the experts when mice have made a home in hard-to-reach areas. A pest control professional might use rodent-deterrent tape or other specialized techniques to remove the pesky critters.

What to Expect

When a professional pest control company arrives at your door, here’s what you can expect:

  • They will inspect your property to identify the extent of the infestation and possible entry points for the mice.
  • After a thorough examination, they will present a customized treatment plan tailored to your situation. They might suggest using different techniques, such as traps or rodenticides in combination with peppermint oil.
  • The pest control professional will then apply the treatment and monitor the effectiveness of the chosen method.
  • Finally, they’ll provide preventive measures and tips to keep mice from returning, which may include continued use of peppermint oil in your car, sealing entry points, and maintaining cleanliness.
InspectionIdentify infestation and entry points
Treatment PlanCustomized plan based on your situation
Treatment ApplicationApply chosen method and monitor effectiveness
Preventive MeasuresTips to keep mice from returning

Remember, professional help can be a game-changer when natural methods, like peppermint oil, aren’t cutting it. Make sure to research reputable pest control companies and read reviews before making a decision. Sometimes, leaving it to the pros can save you time, stress, and further damage to your property. Happy mice hunting, and may the power of peppermint oil be with you!

Common Limitations and Solutions

Wood Mouse (Apodemus sylvaticus) rodent in green moss natural environment with herbs on sand. Wildlife Scene of Nature in Europe.

Not Always Effective By Itself

Peppermint oil, although a popular natural method for deterring mice in cars, may not always be solely effective. However, combining it with other natural repellents like capsaicin (found in chili peppers) can enhance its efficacy. Some other factors contributing to its effectiveness may depend on individual scents, menthol quantity, and oil quality.

Mice are known for their weak vision, and they rely on their sense of smell to navigate. So, using strong smells like peppermint oil can help in keeping them at bay.

Maintaining Repellent Strength

Since the scent of peppermint oil fades over time, it’s essential to reapply it regularly. Here are a few tips to ensure the strength of the peppermint oil remains effective:

  1. Regularly refresh the application: Replace cotton balls or cloth saturated with peppermint oil every few weeks to maintain its effectiveness.

  2. Enhance with other natural ingredients: As mentioned earlier, you can combine peppermint oil with capsaicin to create an even more potent repellent.

  3. Keep your car clean: A clean car is less attractive to mice, rats, and even insects like roaches or snakes! Make sure to remove any food scraps and regularly vacuum the interior.

Sure, I can relate to the struggle of keeping pests out of my car, especially during winter when they try to keep warm!


Peppermint oil has proven to be an effective home remedy for repelling mice both indoors and outdoors, especially in your car. It is a natural method that works well as a preventative measure! Here is a succinct recap of using peppermint oil in a car to keep those pesky mice at bay:

  1. Purchase 100% pure peppermint oil.
  2. Mix two teaspoons of oil for every one cup of water in a spray bottle.
  3. Spray the solution on the car engine and around other areas where mice have been spotted.
  4. Reapply the peppermint oil mixture regularly to maintain its effectiveness.

According to research, mice dislike the strong scent of peppermint oil. This is because their vision is weak, but they have a keen sense of smell. As someone who has dealt with this issue personally, I can affirm that the scent is not only a mouse repellent but also masks any other odors that might attract them.

To wrap things up, using peppermint oil in your car presents a natural, straightforward, and effective method for deterring mice without having to resort to hazardous chemicals or traps. So, give it a try and confidently say goodbye to unwelcome visitors while maintaining a safe environment for yourself and your family. Happy driving!

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