What Can I Put In My Humidifier To Make It Smell Good?

Humidifiers are among the most used household appliances in the fall and winter. The steam emitted from a humidifier can effectively counteract the dryness and lack of moisture during the cold season.

Many people use humidifiers not only with pure water but also consider adding other substances. These additives are usually essential oils, which are often used as fragrances. As the steam from the humidifier spreads throughout your room, it carries with it a lovely scent. Pleasant scents like this can significantly improve the atmosphere in your home. They create a sense of relaxation and peace for all family members.

Please keep reading to learn what can you put in my humidifier to make it smell better.

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What Can You Put in A Humidifier to Smell Good?

Humidifiers are easy-to-use household appliances. But they also need to be taken care of. Therefore, it’s essential to know what ingredients you should add to your humidifier so that the environment smells nice without damaging the device.

You must use a cool mist humidifier when it comes to adding ingredients. Cool mist humidifiers don’t ruin the fragrance elements the way warm mist humidifiers do. Also, ingredients should be added to the humidifier in a tiny amount. Only 3 to 4 drops of the ingredients listed below are enough to create a wonderfully fragrant ambiance.

Below are some categories of products that you can add to your humidifier without damaging the device.

Related reading: Can You Put Alcohol In A Humidifier?

Important Note

One of the most important things to keep in mind when adding ingredients to your humidifier is to clean the humidifier properly after every use.

Even though some newer humidifier models have a compartment for essential oils, most humidifiers aren’t designed to deliver fragrance along with the steam. That’s why it’s important to keep the unit as clean as possible after use. If you do that, the device will work smoothly, without malfunctioning, and won’t be damaged.

To be on the safe side, you should always check the manual of your humidifier to see if you can add essential oils to the water tank of your device.

BestAir Splash Scents

BestAir Splash Scents Humidifier ScentBestAir Splash Scents Humidifier ScentCHECK CURRENT PRICE

BestAir Splash Scents can be great ingredients to add to your humidifier. The BestAir company makes these scents specifically designed for use in humidifiers. They’re available in a variety of scent types. For example, Cinnamon Apple, French Vanilla, Soothing Eucalyptus, etc. When you add them to your humidifier, they can add a lovely scent to the air.

They can be used in any steam humidifier. The proper mixing ratio is also written on the package. This way, the scents won’t damage your humidifier’s filter. This way, you get a lovely smelling home and don’t have to worry about the device.

Lemon Juice

Another substance you can add to your humidifier is lemon juice.

With just a tablespoon of lemon juice, your humidifier can give off a citrusy and refreshing smell in your home. This is the most readily available ingredient on our list.

Related reading: Can You Put Juice in a Humidifier?

Vanilla Extract

We all are familiar with the mild and soothing smell of vanilla extract. We know that you’re not supposed to smell the extract. You’re supposed to taste it. But guess what? You can put vanilla extract in your humidifier, too. But you must watch the amount. Because overusing such an ingredient can damage your humidifier before you know it.

If you add just 2 to 3 drops of the extract, you can spread a lovely scent throughout your home. Plus, vanilla extracts are also known for their medicinal properties. So it’s an excellent ingredient for your humidifier!

Related reading: Can You Put Vanilla Extract in A Humidifier?

Lavender Oil

We all know that lavender gives off a beautiful and relaxing scent. For the same reason, the lavender essential oil is the first choice for your humidifier. This oil is known for its stress-relieving effects. It helps relieve anxiety and puts you in a calm and peaceful mood.

Eucalyptus Oil

Many people use eucalyptus oil in their humidifiers because it offers additional health benefits. In addition to the soothing smell, the oil is also known to help with dry coughs and colds. The chemical components of eucalyptus oil are nutritious and beneficial to health.

Related reading: Can You Put Eucalyptus Oil in a Humidifier?

Rosewood Oil

Roses symbolize love and warmth. By adding rosewood oil to your humidifier, you can spread the beautiful scent of roses throughout your home. According to studies, the smell of rosewood oil isn’t only relaxing. Still, it can also help lower blood pressure and anxiety.

Tea Tree Oil

Tea tree oil is known for its air purifying properties. The oil contains a natural and environmentally friendly fragrance. Similar to eucalyptus, the chemical components of tea tree oil also can relieve coughs and congestion.

If you have a pet, you should avoid using tea tree oil as it’s toxic to pets in higher concentrations.

Sweet Basil Oil

For a nurturing and balanced scented environment, sweet basil oil is the perfect choice to add to your humidifier. Basil is one of the most delicate herbs with a mild and calming scent. Adding this oil to your humidifier will make your home smell extra vibrant!

Patchouli Oil

Do you love the smoky yet sweet scent of patchouli? Then this choice from our list is just right for you. The scent of patchouli oil can reduce stress-inducing behaviors. The oil is also good for your health. It’s known to relieve skin problems, depressive feelings, and physical ailments.

Peppermint Oil

Peppermint is known for its refreshing and beguilingly fragrant leaves. They give off a scent that can be calming and mood-lifting. Besides the scent, peppermint oil in your humidifier can also help with headaches and depression. It’s one of our favorites on this list!

Jasmine Oil

For a home that smells like flowers, jasmine oil is the ideal oil for your humidifier. Especially when guests are present, the scent of jasmine oil can make your home stand out. It can make your surroundings seem lively and energetic.

Sandalwood Oil

Sandalwood belongs to the aromatic wood species. These woods have a sweet smell and are known to retain their scent for a long time. So, you can use sandalwood oil in your humidifier to create a sweet, long-lasting scent in your home. Also, the smell of sandalwood is known to improve sleep, reduce anxiety, and lighten your mood.

Lemongrass Oil

Lemongrass oil is another favorite on our list. Lemongrass has a light and citrusy scent. The scent of lemongrass oil also repels mosquitoes. If you want to give your home a bright and lemony atmosphere, adding lemongrass essential oil to your humidifier would be the best first step!

Marjoram Oil

The mild-smelling marjoram herb has tremendous medicinal benefits. Marjoram essential oil can add a spicy scent to the ambiance of your home. Experts also recommend aromatherapy with marjoram oil. The chemical components of the oil can significantly reduce feelings of anxiety.

Bergamot Oil

We’ve already talked about essential oils from herbs and flowers. Now we’ll talk about fruity oil. Its sweet and spicy aroma makes bergamot essential oil one of the best oils to add to your humidifier’s water tank. The ingredients in this oil are known to help with depression and anxiety. Bergamot oil is a good choice if you want your humidifier to smell good.

Related reading: Can I Put Tea in My Humidifier?


In conclusion, adding ingredients to your humidifier can be an excellent mood booster for the whole family. The pleasant and satisfying smell of the added ingredients can give your home a great atmosphere.

Each ingredient has its own scent and properties, but our favorite on the list is peppermint oil and lemon juice!


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