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Best Affordable Essential Oil Diffuser (2024 Update)

If you’re looking for an affordable and effective way to enjoy the benefits of essential oils, an essential oil diffuser may be just what you need. By dispersing essential oil vapors into the air, these devices help you relax, sleep better, and improve your overall well-being. However, with so many options on the market, it can be difficult to choose the best affordable essential oil diffuser for your needs.

Before making a purchase, readers need to consider a few factors, such as the size of the diffuser, the length of time it runs, and the noise level. They should also consider the type of essential oils they plan to use, as some diffusers work better with certain oils than others. Finally, readers should consider the ease of use and cleaning of the diffuser, as well as its overall durability and performance.

Are you looking for a way to bring relaxation and calmness to your daily routine? Do you want to improve your sleep quality without breaking the bank? If so, an affordable essential oil diffuser may be just what you need. But with so many models to choose from, how can you be sure you’re getting the best one for your needs? Check out our expert reviews and buyer’s guide for everything you need to know before making a purchase. From top features to key considerations, we’ve got you covered.

10 Best Affordable Essential Oil Diffuser

# Product Image Product Name Product Notes Check Price
1
The product is ideal for creating an aromatic and relaxing environment in large rooms or homes through essential oil diffusion.
2
Ideal for creating a relaxing ambiance and improving air quality in large rooms and workplaces through aromatherapy and humidification.
3
The product is ideal for adding scents, humidifying the air, and creating a relaxing atmosphere in homes or bedrooms.
4
The product is ideal for diffusing essential oils in large rooms while providing remote control, timer and colorful lighting features.
5
Ideal for creating a relaxing atmosphere and improving air quality in homes, offices, spas, and yoga studios.
6
Ideal for adding aromatherapeutic benefits to a large room or office with customizable mist settings, colored lights, and essential oils.
7
This product is ideal for enhancing the atmosphere of a home or office with essential oils and colorful mist.
8
This product is ideal for diffusing essential oils and acting as a cool mist humidifier for rooms and offices.
9
It is ideal for creating a relaxing atmosphere with essential oils in home, office, yoga studio, and spa.
10
This product is ideal for creating a relaxing and aromatic atmosphere in your home or office using essential oils.
The product is ideal for creating an aromatic and relaxing environment in large rooms or homes through essential oil diffusion.
Ideal for creating a relaxing ambiance and improving air quality in large rooms and workplaces through aromatherapy and humidification.
The product is ideal for adding scents, humidifying the air, and creating a relaxing atmosphere in homes or bedrooms.
The product is ideal for diffusing essential oils in large rooms while providing remote control, timer and colorful lighting features.
Ideal for creating a relaxing atmosphere and improving air quality in homes, offices, spas, and yoga studios.
Ideal for adding aromatherapeutic benefits to a large room or office with customizable mist settings, colored lights, and essential oils.
This product is ideal for enhancing the atmosphere of a home or office with essential oils and colorful mist.
This product is ideal for diffusing essential oils and acting as a cool mist humidifier for rooms and offices.
It is ideal for creating a relaxing atmosphere with essential oils in home, office, yoga studio, and spa.
This product is ideal for creating a relaxing and aromatic atmosphere in your home or office using essential oils.

1. Puremist Essential Oil Diffuser: The Ultimate Aromatherapy Experience

This essential oil diffuser boasts a larger 500ml tank, allowing for fewer refills. Despite the increased capacity, its compact size makes it easy to carry and move anywhere. The device has a unique low-output mode, which can run for up to 12 hours, and a strong fog mode, which greatly enhances the moisture in the air.

The diffuser is user-friendly, with a smart control system that allows for easy operation through a remote control or 4 timer settings. Additionally, it includes an auto shut-off feature that activates when the timer runs out or the water runs low, ensuring safety and peace of mind.

The diffuser also serves as a calming nightlight, with 7 different light combinations to choose from. Its super quiet operation offers a comforting glow, making it an ideal addition to your bedroom routine, helping you and your child sleep easily.

With advanced ultrasonic diffusion technology, this device atomizes essential oils to help you breathe better. It is particularly useful during allergy season, or when the air is dry or when sick. This diffuser is an essential part of a beautiful life, serving as a good partner to help you relax and unwind.

2. Aromahumid – Large Room Essential Oil Diffuser

The Hallaroma essential oil diffuser humidifier is a beautiful and functional addition to any living space. With an elegant marble grain, electroplated gold, and frosted surface design, this essential oil diffuser looks like a romantic and decorative accessory. It can be used as a home decor, office decor, spa decor or meditation decor, and it boasts a 500ml water tank that can provide up to 15 hours of mist time.

This aromatherapy diffuser features Heavy/Little/30s Intermittent fog mode to choose from, allowing you to customize your experience. Simply add 3-5 drops of your favorite essential oil to the water tank, and the ultrasonic technology instantly vaporizes it into a fragrant mist. This diffuser is great for respiratory comfort and sleeping better, as it can improve the environment around you.

The essential oil diffuser also comes with a remote control that allows you to change the misting, lighting, and timer modes. Additionally, the diffuser offers 7 LED colored light options that can be cycled through or set to a single fixed color. The soft light and essential oil mist create a romantic atmosphere, which helps you relax your tired body and mind after a long day of work.

The LED diffuser is designed to operate silently, with a working sound of less than 25dB. It gives out ultra-fine and smooth mist that can soften and moisturize dry and chapped skin in the winter. The aromatherapy diffuser creates a quiet and warm atmosphere, which helps you benefit from fragrance healing. It also features an automatic power-off function that will turn off the diffuser when the water runs out, giving you peace of mind while you sleep.

This diffuser for essential oils is carefully crafted from quality and safe materials, making it BPA-free and safe for use in a baby's room. The elegant marble grain and frosted surface design bring natural beauty, making it a perfect fit for any home decor. This large room diffuser will make an excellent and valuable gift idea for family and friends who love aromatherapy. Overall, this high-quality essential oil diffuser offers a relaxing and rejuvenating experience that enhances any living space.

3. 7-Color Aromatherapy Diffuser With Remote Control

Introducing the beautifully designed aromatherapy diffuser that is perfect for any space. The compact size of this diffuser is deceiving, as its 300ML reservoir can provide up to 8 hours of use. This essential oil diffuser is not only practical, but it also boasts a modern look that can enhance the ambiance of any room, including bedrooms, large rooms, bathrooms, and offices.

This model is powered by USB-C, and for your convenience, a 1.5M USB-A to USB-C power cable is provided. It can be powered by any 5V2A USB-A phone charger or power bank. This portable mini diffuser is of good quality and can be taken with you wherever you go.

The unit has a built-in run dry protection feature, which automatically cuts out when the reservoir is empty, providing peace of mind. Additionally, the vaporizer humidifier has a variable illumination feature that scrolls through the set colors gradually, blending each one into the next. You can switch off the light function if you prefer. Moreover, the color can be seen not only in a band around the fragrance diffuser but also through the pierced lid.

This diffuser also comes with an easy-to-use remote control that allows you to control the diffuser's on/off, timer modes, and lights. It has 3 timing modes (long time atomization, 2 hours, 4 hours) and 1 intermittent atomization mode (10 seconds atomization – 10 seconds pause, cycle atomization). You will enjoy its convenience and user-friendly features.

This diffuser is BPA free, making it safe for women and babies. It is also the perfect aromatherapy gift for men, women, and children on Valentine's Day, Christmas, birthdays, and other festivals. If you have any questions, the manufacturer provides excellent customer service and is available to assist you.

4. 550ml Oil Diffuser With Remote And Timer

Introducing the 550ml Aromatherapy Diffuser, a top-of-the-line essential oil diffuser that can help you relax and rejuvenate in the comfort of your own home. With a large 550ml capacity, this diffuser can last for 6-10 hours in strong mist mode and 11-15 hours in weak mist mode, allowing you to enjoy the benefits of aromatherapy for extended periods of time. It also doubles as a personal humidifier, making it perfect for apartments, offices, studios, and even your child's room.

This diffuser features 15 light modes and 7 ambient colors (dark/bright) that can be set to auto-color cycle. You can also choose from 2 fog intensity settings and 4 timer settings (1H/3H/6H/ON) to customize your experience and make your life more convenient. Additionally, this diffuser has an anhydrous automatic closing function that ensures your safety.

The ultra-quiet design of this diffuser uses ultrasonic technology to ionize water into a delicate cold mist, creating a relaxing environment without any noise. It also has an automatic shut-off feature that activates when the water runs out, making it safe for use at night.

This essential oils diffuser is crafted from quality and safe materials that are BPA-free, making it safe for your baby and pets. Its fine design and good quality blend naturally with most home decor. The changeable colored lights bring an elegant view, create a relaxing atmosphere to the room, and make your life more colorful.

This diffuser is incredibly easy to use and simple to operate. It comes with a remote control that can control it from up to 16.5 feet away. All of the features can be accessed with just a few clicks, making this diffuser perfect for anyone who wants to enjoy the benefits of aromatherapy without any hassle.

5. Ultrasonic Aromatherapy Diffuser: 20+ Hours Of Relaxation

Introducing the URPOWER Oil Diffuser, a high-capacity aromatherapy device that is designed to enhance your life quality. With its 700ml capacity, this diffuser can run for more than 20 hours in low mist mode and more than 10 hours in high mist mode, making it perfect for use in large rooms, bedrooms, and offices.

This diffuser boasts a unique square design with a modern feel, featuring a dark wood grain base that fits perfectly in any home or office decor. Not only is it an air diffuser for essential oils, but it also functions as a night light with 7 changing LED colors to choose from. You can select the gradually changing mode or choose one color mode with bright or dim adjustment.

The URPOWER Oil Diffuser also features a time setting, allowing you to choose between high mist mode, low mist mode, and timed options of 1 hour, 3 hours, 6 hours, and continuous use. Additionally, it is designed with your safety in mind as it will automatically shut down after the water runs out.

Using this humidifier with essential oil diffuser can help increase the humidity and aroma in the air, creating a comfortable environment for you to relax in. If you have any questions about the URPOWER diffuser, their team is always available to assist you.

6. Essential Comfort: Aromatherapy Diffuser Set

The InnoGear Aroma Diffuser is an excellent choice for anyone who wants to create a peaceful and relaxing atmosphere in their home. With four timer settings and two mist levels, you can customize the runtime and mist mode to suit your needs. The diffuser will automatically shut off when the timer is up or the water runs out, ensuring safe and worry-free operation.

With a large 400ml water tank, the diffuser can provide whole night's humidification and oil aromas in any large space. Despite its impressive capacity, it operates quietly, so you won't be disturbed by any annoying sounds. The diffuser's low noise design ensures a peaceful and relaxing environment, perfect for unwinding after a long day.

The InnoGear Aroma Diffuser also features a 7-color LED light ring that can help elevate your mood and create a calming atmosphere. The soft, soothing light won't dazzle your eyes at night, but it will perfectly liven up your space.

The diffuser is made from high-quality PP and ABS material, which makes it safe to use and cool to touch. You can rest assured that your family can use it without any worries. Additionally, the large base makes it easy to clean, so maintaining your diffuser is hassle-free.

The InnoGear Aroma Diffuser comes with 10 essential oils, including peppermint, orange, lavender, tea tree, rosemary, eucalyptus, lemongrass, lemon, clove, and vanilla. Each bottle contains 10ml of 100% pure and natural oil, allowing you to choose your favorite scent and enjoy the benefits of aromatherapy. With a nice package, this aromatherapy diffuser and essential oil set make a great gift idea for any holiday.

7. Innogear Aromatherapy Diffuser – Colorful And Calming Mist

The InnoGear Essential Oil Diffuser is a compact and versatile device that offers a range of features for your aromatherapy needs. Powered by an included AC/DC adapter, this diffuser has a palm-sized design that is perfect for small spaces. Whether you want to place it on your desk, countertop, or pack it in your carry-on while on the go, it won't take up much room.

With two misting modes, you can customize your aromatherapy experience to suit your preferences. The intermittent mist mode works for 6-8 hours and mists and pauses every 30 seconds, providing a long-lasting fragrance throughout the night. Alternatively, the continuous mist mode lasts for 3-4 hours and continuously mists until the water runs out, creating an instant fragrance in your room.

Made from PP material, this diffuser disperses a comfortable stream of room-temperature mist, which provides ideal coverage for small or medium-sized rooms. This cool mist is perfect for creating a relaxing and soothing environment in your home.

The InnoGear Essential Oil Diffuser also has a romantic mood light with eight soothing colors that can switch from dim to bright. This is great for creating just the right atmosphere for meditation or using as a night light.

This diffuser also features a waterless auto-off function, which makes it safe for use at night. You can enjoy a restful sleep and keep this diffuser on without worrying about it running out of water and causing damage. Once the water runs out, the diffuser will automatically shut off.

8. Ceramiccool Ultrasonic Oil Diffuser

The Premium Ceramic Diffuser from InnoGear is a stylish and multifunctional device that can be an excellent addition to any home. With a handmade ceramic cover that is both sturdy and durable, it has an excellent surface performance that makes it resistant to dirt and easy to clean. The unique and elegant style of this diffuser also makes it a perfect complement to any decor scheme.

The tank of this diffuser is made of high-quality PP material, ensuring that the mist produced is safe. Additionally, it comes with two misting modes that you can set according to your preferences. The continuous mode lasts for 4-6 hours, making it suitable for activities such as reading, working, and more. The intermittent mode, on the other hand, lasts for 8-10 hours, making it perfect for sleeping, ensuring all-night humidification and fragrance, and freeing you from the trouble of adding water at midnight.

The essential oil diffuser also features an independent LED light that you can use as a night light to create a romantic ambiance. You don't have to worry about the light keeping you up while you enjoy the essential oil mist overnight. The device also comes with a safe auto-off function that ensures it powers off when the water runs out. This feature ensures the device's safety and longevity.

The diffuser's chimney shape outlet ensures high mist stream, leaving no vapor on your furniture. It also comes with a noise-reducing inner lid that effectively reduces water dripping noise when running, making it a silent device.

The InnoGear ceramic oil diffuser is a multifunctional home device that is perfect for aromatherapy relaxation. It can also be used as a humidifier, a night light, or even a piece of home decor. This device could be the perfect thoughtful gift idea for your family, friends, and loved ones for holidays, Thanksgiving, Christmas, and any other occasion. With its premium quality and thoughtful design, the Premium Ceramic Diffuser from InnoGear is a must-have for anyone who loves aromatherapy or wants to add a touch of luxury to their home.

9. Essential Mist 500ml Aromatherapy Diffuser

Introducing the Mute Design Essential Oil Diffuser, the perfect addition to your home or office. This diffuser is designed to provide a quiet and comfortable environment for restful sleep, while also replenishing water and nutrition into cells for a clean, white, and natural complexion.

With its high capacity, this diffuser can continuously run for up to 10 hours with a large 500ml water tank. The diffuser essential oils help create a pleasant environment for studying, working, or living, while also providing a sweet dream for you and your family.

The Mute Design Diffuser comes with a convenient remote control, allowing for easy operation without leaving your bed or sofa. You can easily turn the diffuser on or off, adjust the mist level from low to high, and set the timer to your desired length.

Featuring four timer settings and adjustable mist levels, this diffuser can create multiple modes of mist nebulization and automatically shut off to protect the device. The essential oils help effectively eliminate odors and add oxygen molecules to the air, creating a comfortable and relaxing atmosphere.

Safety is a top priority, which is why the Mute Design Diffuser features an automatic shut-off function when the timer runs out or the water level is low. This makes it perfect for families and friends who love aromatherapy.

10. Ultimate Aromatherapy Kit With Advanced Diffuser Technology

The OUTIFUO Multifunction Essential Oil Diffuser is a must-have for anyone who loves aromatherapy. This state-of-the-art diffuser can be used as an aromatherapy essential oil diffuser and night light, making it a great addition to any room. With a capacity of 550ml, it uses wave diffusion technology to atomize essential oils, and has an auto-shutoff feature for low water levels, making it easy to use.

The OUTIFUO diffuser is incredibly quiet, thanks to its advanced ceramic ultrasonic technology. You won't even notice it's there, making it perfect for use while sleeping or working. Simply add your favorite essential oil and enjoy the pleasant fragrance, helping to create a more joyful environment.

This diffuser has 4 time setting modes, including continuous, 1 hour, 4 hours, and 8 hours, and offers 2 options of mist, strong and standard. It also includes 15 ambient light modes, so you can customize your experience and enjoy a relaxing atmosphere.

The OUTIFUO Multifunction Essential Oil Diffuser comes with a set of 10 natural pure plant grade organic oils, including Lavender, Rose, Peppermint, Lemon, Grapefruit, Citronella, Eucalyptus, Lemongrass, Jasmine, and Orange. Each oil comes in an amber 10ml jar to protect against sun degradation, ensuring their quality and potency.

This aromatherapy essential oil diffuser features a super modern wood grain design, making it a stylish decorative piece for any room. It's the perfect gift for friends and family on special occasions such as birthdays, anniversaries, Christmas, Father's Day, Mother's Day, Valentine's Day, and more.

Best Affordable Essential Oil Diffuser FAQs

Are there any affordable essential oil diffusers that come with multiple settings?

Yes, there are several affordable essential oil diffusers that come with multiple settings. One option is the InnoGear 150ml Essential Oil Diffuser, which has three timer settings (1 hour, 3 hours, and continuous) and two mist modes (strong and weak). Another option is the URPOWER 500ml Essential Oil Diffuser, which has four timer settings (1 hour, 3 hours, 6 hours, and continuous) and two mist modes (high and low).

Additionally, the VicTsing 300ml Essential Oil Diffuser has four timer settings (1 hour, 3 hours, 6 hours, and continuous) and two mist modes (strong and weak). The Aromatherapy Essential Oil Diffuser by Natrogix also comes with multiple settings, including three timer settings (1 hour, 3 hours, and 6 hours) and two mist modes (continuous and intermittent).

All of these diffusers are affordable and offer multiple settings to customize your aromatherapy experience.

Can you recommend an essential oil diffuser that is both effective and budget-friendly?

Yes, I can recommend an essential oil diffuser that is both effective and budget-friendly. The InnoGear Upgraded 150ml Aromatherapy Diffuser is a great option for those who are looking for a reliable and affordable diffuser. It has a sleek and modern design, and can run continuously for up to 5 hours, or intermittently for up to 8 hours. The diffuser also has 7 different color LED lights that can be cycled through, or set to your favorite color. Additionally, the InnoGear diffuser is easy to use and clean, making it a great choice for those who are new to aromatherapy. Overall, the InnoGear Upgraded 150ml Aromatherapy Diffuser is a fantastic option for anyone who wants to enjoy the benefits of essential oils without breaking the bank.

Can you suggest an essential oil diffuser that is easy to use and clean?

Yes, I can suggest an essential oil diffuser that is easy to use and clean. The URPOWER Essential Oil Diffuser is a great option for those who want a hassle-free diffusing experience. It is incredibly easy to use – simply fill the water tank with tap water and add a few drops of your favorite essential oil. The diffuser has a capacity of 100ml, which allows for up to 6 hours of continuous mist.

Cleaning the URPOWER diffuser is also a breeze. Simply unplug the unit and wipe it down with a damp cloth. It is important to clean the diffuser regularly to prevent any buildup of oil or residue. The unit also has an auto shut-off feature, which ensures safety and prevents the diffuser from running dry.

Overall, the URPOWER Essential Oil Diffuser is a great choice for those who want a user-friendly and low maintenance diffusing experience.

Is it possible to find a high-quality essential oil diffuser that is also affordable?

Yes, it is definitely possible to find a high-quality essential oil diffuser that is also affordable. There are many diffusers available in the market that offer excellent performance without breaking the bank. The key is to look for diffusers that are made of high-quality materials and have a good reputation in the market.

One of the best ways to find an affordable diffuser that is also high-quality is to look for reviews online. There are many websites and forums where people share their experiences with different diffusers, and this can be a great way to find a product that meets your needs and budget.

Another important factor to consider when buying a diffuser is the features it offers. Some diffusers come with advanced features like timers, automatic shut-off, and LED lights, while others are more basic. You should choose a diffuser that has the features you need, but also fits within your budget.

Overall, with a little research and careful consideration, it is definitely possible to find a high-quality essential oil diffuser that is also affordable.

What are some of the best essential oil diffusers that are under $50?

There are many essential oil diffusers available that are under $50. Here are some of the best options:

1. InnoGear Upgraded Version Aromatherapy Essential Oil Diffuser: This diffuser has a large water capacity and 7 LED color options. It also has a timer and automatic shut-off feature.

2. URPOWER Essential Oil Diffuser: This diffuser has a sleek design and can run for up to 6 hours. It also has 7 LED light options and an automatic shut-off feature when the water runs out.

3. Pure Enrichment PureSpa Essential Oil Diffuser: This diffuser has a compact design and can run for up to 7 hours. It also has a color-changing LED light and automatic shut-off feature.

4. VicTsing Essential Oil Diffuser: This diffuser has a wood-grain design and can run for up to 10 hours. It also has a timer and automatic shut-off feature.

5. ArtNaturals Essential Oil Diffuser: This diffuser has a large water capacity and can run for up to 7 hours. It also has a color-changing LED light and automatic shut-off feature.

These diffusers are all affordable and have great features. It's important to choose a diffuser that fits your needs and preferences.

What are the best essential oil diffusers that are affordable?

There are many essential oil diffusers available in the market, and finding the right one can be overwhelming. However, there are affordable options that are also effective at diffusing essential oils. Here are some of the best essential oil diffusers that are affordable:

1. InnoGear Upgraded Version Aromatherapy Essential Oil Diffuser: This is a compact diffuser that is easy to use and affordable. It has a 150ml water tank that can last up to 5 hours.

2. URPOWER Essential Oil Diffuser: This is a popular diffuser that is affordable and has a 130ml water tank that can last up to 6 hours. It also has 7 LED lights that can be adjusted to your preference.

3. VicTsing 300ml Cool Mist Humidifier Ultrasonic Aroma Essential Oil Diffuser: This is a larger diffuser that has a 300ml water tank that can last up to 10 hours. It also has 7 LED lights and can be used as a humidifier as well.

4. Pure Enrichment PureSpa Essential Oil Diffuser: This is a stylish diffuser that is affordable and has a 100ml water tank that can last up to 7 hours. It also has a color-changing LED light.

Overall, these diffusers are not only affordable but also effective at diffusing essential oils.

What are the features to look for in an affordable essential oil diffuser?

When looking for an affordable essential oil diffuser, there are a few key features to consider. First, consider the size of the diffuser and how much space it can cover. You'll want to make sure it's large enough for the room you plan to use it in. Next, consider the run time of the diffuser, as well as the size of the water tank. A larger tank will allow the diffuser to run for longer periods of time, without needing to be refilled. Additionally, consider the diffuser's noise level and whether it has any lighting options. Some diffusers come with LED lights that can create a calming ambiance, while others may have a noise level that can be distracting. Finally, make sure the diffuser is easy to clean and that replacement parts, such as filters, are readily available and affordable. By considering these features, you can find an affordable essential oil diffuser that meets your needs and budget.

What are the most affordable essential oil diffusers that have a large water tank?

There are a number of affordable essential oil diffusers that have a large water tank. One option is the InnoGear 500ml Aromatherapy Essential Oil Diffuser, which is priced around $25 and can run for up to 10 hours. Another option is the URPOWER 500ml Aromatherapy Essential Oil Diffuser, which is priced around $20 and can run for up to 15 hours. The ASAKUKI 500ml Essential Oil Diffuser is also a good option, priced around $30 and with a runtime of up to 16 hours. It's important to note that while these diffusers may be more affordable, they may not have as many features or be as durable as more expensive models. However, they can still provide a great value for those looking for an affordable way to diffuse essential oils in their home or office.

Which is the best affordable essential oil diffuser that is portable?

One of the best affordable essential oil diffusers that is also portable is the URPOWER Essential Oil Diffuser. It is small and lightweight, making it easy to carry around and use wherever you go. This diffuser has a 130ml capacity and can run for up to 6 hours on continuous mode or 10 hours on intermittent mode. It also has 7 different LED light colors to choose from, adding to the ambiance of any room. The URPOWER diffuser is made with BPA-free materials and has an auto shut-off feature for safety. Overall, this diffuser is a great choice for those who want an affordable and portable option for using essential oils.

Which is the most affordable essential oil diffuser that has a long-lasting aroma?

When it comes to finding an affordable essential oil diffuser that has a long-lasting aroma, there are a few options to consider. One option is the InnoGear Essential Oil Diffuser, which is priced reasonably and has a 500ml capacity that can run for up to 10 hours. Another option is the URPOWER Essential Oil Diffuser, which is a bit smaller with a 300ml capacity but can also run for up to 10 hours. Both of these diffusers have multiple mist settings and automatic shut-off features for safety. It's important to note that the longevity of the aroma will also depend on the quality and type of essential oils used. To prolong the scent, it's recommended to use high-quality oils and to clean the diffuser regularly to prevent buildup and clogging.