10 Best Ultrasonic Essential Oil Diffuser of December 2025

• 5-IN-1 AROMATHERAPY DEVICE: This ultrasonic essential oil diffuser is an amazing multifunction aromatherapy device unlike any other you've ever used. It features a large 500ml water tank, multiple mist diffuse modes, as well as a safety auto-switch that prevents it from overheating in case it runs out of water.
• GREATLY AROMA DIFFUSER: Besides its uses in aromatherapy, this essential oil diffuser also functions as a humidifier. Use it to improve your home's atmosphere quality, cover the smell of pets or smoking, and protect you family from excessively dry season, dust, and more!
• PREMIUM QUALITY MATERIALS: When it comes to our premium essential oil diffusers, we make a point of using nothing but the same ultra-high grade, safe, and eco-friendly PP materials baby bottles are made from, as well as state-of-the-art production processes and strict quality control.
• A GREAT GIFT IDEA FOR EVERYONE: If you're in the market for a nice and practical gift, you can stop looking. This great aromatherapy essential oil diffuser is a thoughtful and handy present, one that everyone can benefit from. With a combination of style, design and function like that, it's a great hit!
• 100% RISK FREE PURCHASE: At ASAKUKI, we have great faith in our essential oil diffusers. After all, we use them in our homes ourselves! Each one of them comes with a 1-year technical support. Your satisfaction is paramount!

ASAKUKI

• 5-IN-1 AROMATHERAPY DEVICE: This ultrasonic essential oil diffuser is an amazing multifunction aromatherapy device unlike any other you've ever used. It features an easy to use 100ml water tank, 7 different colors, adjustable mist modes, as well as a safety auto-switch that prevents it from overheating in case it runs out of water.
• GREATLY IMPROVES AIR QUALITY: Besides its uses in aromatherapy, this ultrasonic diffuser also functions as a humidifier. Use it to improve your home's air and atmosphere quality, cover the smell of pets or smoking, and protect you family from excessively dry air in winter, dust, and more!
• PREMIUM BPA-FREE MATERIALS: When it comes to our premium aromatherapy oil diffusers, we make a point of using nothing but the same ultra-high grade, safe, and eco-friendly PP materials that it’s 100% healthy for babies and kids, as well as state-of-the-art production processes and strict quality control.
• A GREAT GIFT IDEA FOR EVERYONE: If you're in the market for a nice and practical gift, you can stop looking. This great aromatherapy essential oil diffuser is a thoughtful and handy present, one that everyone can benefit from. With a combination of style, design and function like that, it's a great hit!
• 100% RISK FREE PURCHASE: At ASAKUKI, we have great faith in our essential oil diffusers. After all, we use them in our homes ourselves! Each one of them comes with a 1-year technical support. If you have any issue with your diffuser, do not hesitate to contact us - your satisfaction is paramount!

ASAKUKI

• Portable for yoga, gym, office, baby room or bedroom up to 200 sq feet.
• ADVANCED Ultrasonic Diffusing technology which produces vibrations at a frequency of 2.4 millions times per second breaks water and essential oils into extremely fine micro-particles without using heat (heat alters and destroys the properties of essential oils). ULTRASONIC diffusing feature ensures the integrity of the essential oils' beneficial molecular structure.
• Large 300ml water capacity that can continue use up to 8 hours each time. When time is up or there is no water, it will turn off automatically. Press the "Mist" button for more than one second, choose the timer from 60 mins, 180 mins, 360 mins or ON.
• This provides many benefits e.g. help to lift your mood and relieve stress & Remove odor.

URPOWER

• 2-IN-1 SOLUTION: Designed exclusively by Pure Enrichment, our original patent-pending salt lamp and aroma diffuser is the first of its kind to combine an ultrasonic oil diffuser with a Himalayan salt lamp — you can use both simultaneously or separately
• RELAXING AROMATHERAPY: Fill the 160ml (5.4oz) water tank and add your favorite essential oil to moisturize and deodorize the room
• 5 ADJUSTABLE LIGHT LEVELS: Customize the lamp’s brightness to the glow level fit for your mood
• HANDCRAFTED HIMALAYAN SALT CRYSTALS: Naturally mined in Pakistan and handcrafted for beauty. Emits negative ions to neutralize the potentially harmful positive ions that emit from electronic devices like smartphones, televisions, radios and more
• WHAT YOU GET: 2-in-1 Himalayan salt rock lamp and essential oil diffuser, 3 10-watt halogen light bulbs, measuring cup, ETL-approved power adapter, user manual, industry-leading 5 Year Warranty, caring customer support 7 days a week, and the peace of mind that comes from a trusted brand with millions of customers worldwide.

Pure Enrichment

• 550ML CAPACITY, RUN OVER 10 HOURS, MORE MIST OUTPUT: Our essential oil diffuser feature 550ml capacity, even in strong mist mode still work for 9-10 hours, and weak mist runs for 10-12 hours, works well disseminating the aroma steam to your room. You can use this as an aroma diffuser and personal humidifier, ideal for apartments, office, studio, child’s room. This is real, rather than other brands claims 300ml capacity run for 10 hours.(VAPOR AMOUNT: 55ml/h VS 30ml/h)
• TIMER SETTING AND MIST CONTROL，WATERLESS AUTO-OFF: You can change the lights to whatever you feel at the moment, constant color or rotation of 7 colors, each light has bright and dim modes. Timer set in 1H/3H/6H/continuous on. When time is up or there is no water, the cool mist humidifier will turn off automatically, no risk of burns.
• REDUCE ALLERGIES SYMPTOMS IN WINTER DRY CLIMATE: This aromatherapy diffuser could provide a large amount of fresh air for those who suffer from Dry Cough, Itchy Nose or Eyes, Allergies Sinus Headaches, and Sleeping Problems, Dry Skin. Helps to improve breathing and sleeping, relieve allergy, reduce static electricity shocks in the dry climate. Add to cart now, great housewarming or hostess gift idea for yourself, parents, friends, business partners.
• ADVANCED ULTRASONIC DIFFUSING TECHNOLOGY, SUPER QUIET: Ultrasonic diffusers generate the vapor without any heat, which best preserves the integrity of the essential oil. Diffusers are better than any scented candle, you can even combine two or more essential oils to create a unique blend. The tiny bit of white noise you barely notice it, which may help you relax and sleep better but not obnoxious at all.
• SLEEK and ELEGANT LOOKING, LIFETIME CUSTOMER SERVICE: The aromatherapy essential oil diffuser is made of plastic with a faux wood look, BPA-Free water tank, fine design, and good quality, it blends naturally with the most home decor. We provide you 12-month replacement or refund if you are not satisfied.

BZseed

• Consistent Aroma: With a patented oil flow system, the Anjou essential oil diffuser brings consistent scent and aromatherapy around your room from one fill, when a patented essential oil tube design enables an instant aroma diffusion thanks to a fast water-oil balance scheme
• Quiet Operation: Ultrasonic diffuser with patented noise reduction technology runs quietly with no water dripping sounds for a soothing environment to relax, study, work and sleep.
• 2 Mist Outputs & 7 Color Lights: Large 300ml capacity releases a soothing fragrant mist for up to 8 hours (control by the Power button); 7 gentle LED lights provide relaxing feelings
• Superior Safety: BPA-free diffuser includes a waterless auto-off function to automatically shut down when the water runs out, perfectly safe for overnight use
• 10 Pack Quality Essential Oil Set: GC tested, 10 x 5ml therapeutic grade essential oils pack Includes Lavender, Sweet, Tea Tree, Eucalyptus, Peppermint, Bergamot, Frankincense, Lemon and Rosemary, no additives, parabens or fillers, and vegetarian friendly

Anjou

• 【Ultrasonic Technology Diffuser & Humidifier】：Atomize pure water of the essential oil through ultrasonic technology, allowing the aroma to float in the air, soothing your mood, relieving stress, helping to sleep, and moisturizing the air. Your room will be full of fragrance with several drops of oil into the water, which can alleviate your daily fatigue and ensure you a better sleep. Perfect for bedroom, study, office, living room, bedroom, yoga, SPA, conference room, baby room, etc.
• 【7 Soothing LED Lights】：The LED light can be set to 7 soothing colors. You can cycle it through 7 colors, or set it to one fixed color.Colour change is smooth with gentle transitions.With the color change, it is also a good choice to create a romantic atmosphere.
• 【400ml Large Capacity 】：This aroma diffuser can work for up to 10 hours with a capacity of 400ml. It can generate 30-50ml mist per hour and refresh 10-60㎡. Natural style wood grain easily fits most room decoration.
• 【Waterless Auto shut-off & BPA Free】Designed with waterless auto shut-off function, this essential oil diffuser will turn off automatically after 5 seconds when water runs out. This can keep you safe and protect the aroma diffuser itself as well. What's more, aromatherapy diffuser is made of BPA-free materials, which is 100% non-toxic and environment-friendly.
• 【4 Timer Setting & 2 MIST Modes】 There are 4 timer setting, 1H, 3H, 6H or even continuous operation. You can set any time you like. With the continuous strong mist or intermittent fine mist, with or without light, you can choose the one to adapt your mood.

RENWER

• THE COMPLETE BUNDLE - Our Essence Diffuser has a 300 ml capacity and uses state of the art wave diffusion technology to atomize essential oils for ultimate wellness. The Essence diffuser includes 7 ambient light modes with two intensity settings for 14 different light combinations. It also includes 4 timer settings and a convenient auto shutoff feature for low water levels. Essence is made of BPA free plastic with a beautiful printed wood grain design.
• ANCIENT FORMULAS PROVEN RESULTS - Our oils are formulated using the highest quality plants, such as lavender from France, Indonesian Cumin and Roman Chamomile. Our oil blends mix specific ratios of our essential oils to create powerful effects on mind, body and overall well being. Our oils have no added fillers and absolutely zero additives. Simply add 6-8 drops into the water tank to add a light scent to any room.
• 10 ESSENTIAL PLANT OILS - Our Top 10 essential oils include lavender, eucalyptus, tea tree, orange, peppermint, lemongrass, jasmine, nutmeg, clove, and spearmint oils. All oils are therapeutic grade come in amber 10ml jars to protect from sun degradation
• NO ADDITIVES NO FILLERS - Absolutely zero cheap additives or fillers are used in creating our oils. We use local harvest (when possible).It takes longer but is better for the environment and creates a better essential oil. We employ a variety of extraction processes such as steam distillation and cold press depending on plant harvested.
• WHATS IN THE BOX – 1 300ml ultrasonic essence diffuser, 10ml lavender essential oil, 10ml eucalyptus essential oil, 10ml tea tree essential oil, 10ml orange essential oil, 10ml peppermint essential oil, 10ml lemongrass essential oil, 10ml jasmine essential oil, 10ml nutmeg essential oil, 10ml clove essential oil, 10ml spearmint essential oil, power cable, and manual.

Pure Daily Care

• COMPACT SIZE FOR SPACE-SAVING: Without occupying much space, you can easily place this palm sized diffuser on your desk, countertop, or pack in carry-on while on the go.
• 2 MISTING MODES: You can set it to intermittent mist (6-8 hrs working time) that diffuser mists and pauses every 30s, it goes for almost the whole night; Or set it to continuous mist (3-4 hrs working time) that keep misting until water runs out, it creates an instant fragrance in your room.
• PP MATERIAL AND COOL MIST: Using PP material, this diffuser disperses a comfortable stream of room-temperature mist, which provides ideal coverage for small or medium sized room.
• COLORFUL MOOD LIGHT: InnoGear essential oil diffuser has 8 soothing colors, light can switch from dim to bright. Great for creating atmosphere, meditation, or using as a night light.
• WATERLESS AUTO-OFF: You can enjoy a restful sleep and keep this diffuser on at night without worrying about overheating. The diffuser will automatically shut off once the water runs out.

InnoGear

• 3-IN-1 – get an aromatherapy diffuser, new design 2019 no Condensation a night lamp and an air humidifier in 1 item that also serves well as an oil burner, air freshener, fragrance diffuser and the best treatment against tiredness;
• ENLARGED CAPACITY – our aroma essential oil diffuser has a waterless auto shut-off. Thanks to the high water capacity (530 ml) it runs up to 16h without refilling (producing 30-40 ml/h). 3 time modes: 2H/4H/8H;
• RELAX WITH 1 CLICK – create your own spa at home with our quiet & easy in use, ultrasonic oil wood grain diffuser. Control the mist direction of this power saving diffuser by rotating its top cover 360˚;
• WIDELY-USED – the urpower essential oil diffuser works as a natural aroma humidifier with different essential oils, emitting fresh scents to your bedroom, living room, office, etc;
• HIGH QUALITY – made of non-toxic and BPA-free raw materials, this ultrasonic cool mist humidifier serves you for a lifetime. If it’s not – a total refund is guaranteed.

Lilend