The Best Water Flossers of 2026 (With Dentists' Tips on What to Look For)

Why we like it: The Waterpik Ion is the best water flosser overall for multiple reasons. As a countertop water flosser, it has a more compact profile (7.60 x 6.20 x 6.10 inches) than the two other countertop models tested: the Waterpik Aquarius and the AquaSonic Aqua Flosser Professional. According to the company, it’s 30% smaller in size than traditional plug-in models. The Ion is also tied with the Aquarius for the largest water tank at 651ml, which gives you 90 seconds of water capacity, so you don’t have to refill it as often during use. Plus, the tank is easy to separate from the device for cleaning.

Compared to the Aquarius, the Ion is $10 cheaper at $90, and it comes with one of the longest warranties on this list: a three-year limited warranty.

The Ion offers 10 pressure levels and six tips (implant denture, two precision, orthodontic, Pik Pocket and Plaque Seeker), each of which can rotate 360 degrees, making it a great option for braces, dentures, implants and getting around teeth. It has a 1-minute timer, an easy-to-use on/off switch and a magnetic handle cradle, which is fun to use. It’s also the only countertop water flosser on this list that can be unplugged, thanks to its 28-day battery life.

Most importantly, it has the American Dental Association Seal of Acceptance.

Who it’s best for: The Waterpik Ion is best for anyone who wants a compact countertop water flosser with a large water tank. It’s also great for anyone with braces, implants or dentures, thanks to the different tips and 360-degree rotation.

Who shouldn’t buy it: While the Ion offers great value for under $100, its $90 full price is still on the high side. Also, if you’re looking for an even more compact flosser, especially for travel, you might want to opt for a portable, cordless model.

Why we like it: At an affordable price of $39, the AquaSonic Precision Rechargeable was my favorite cordless water flosser because of its large, removable 290-ml water tank, which provides up to 2 minutes of flossing without needing to be refilled. While it only comes with two standard tips, it does have five different modes (soft, normal, quick jet, pulse and custom), more than any other water flosser on this list, and three pressure settings with every mode except custom, which has eight. It’s one of the more compact cordless water flossers on this list, measuring 9.5 x 3.10 x 4 inches.

Who it’s best for: This water flosser is best for anyone looking for a compact, cordless model under $50 with a large water tank and a variety of settings.

Who shouldn’t buy it: As the AquaSonic Precision Rechargeable doesn’t currently hold an ADA Seal of Acceptance (a brand representative tells me it’s working on it), I would advise anyone interested in this water flosser to check with their dentist first. Since it only comes with two standard tips, I also wouldn’t recommend it to anyone with braces, dentures or implants.

Why we like it: The ADA-accepted Waterpik Aquarius is my pick for the best water flosser for braces because it comes with seven tips (four precision, one orthodontic, one Pik Pocket and one Plaque Seeker) that rotate 360 degrees to reach around teeth and braces. According to the company, its orthodontic tip has been clinically shown to be up to 3x as effective at removing plaque around braces as brushing and string floss.

While I think the Waterpik Ion would also be great for braces, I like that the Aquarius has an additional “massage” mode that stimulates the gums to improve circulation and healing, which can be helpful for anyone whose braces irritate their gums. It also offers more pulses per minute (1400ppm) when compared to the Aquarius’ 1300ppm. Similar to the Ion, the Aquarius also has a removable 651-ml water tank, 1-minute timer, 10 pressure modes and a three-year limited warranty.

Who it’s best for: I’d recommend the Waterpik Aquarius to anyone with braces, thanks to its orthodontic tip with 360-degree rotation and its massage mode. It’d also be a great choice for anyone simply looking for a top countertop water flosser.

Who shouldn’t buy it: The Waterpik Aquarius is the most expensive water flosser on this list at a full price of $100, so it might be out of budget for some. It’s also the largest at 10.35 x 4.70 x 3.80 inches. Since the cord isn’t detachable from the device, it can be a bit cumbersome.

Why we like it: Having pre-measured mouthwash pods that dissolve directly in the tank can be a real game-changer — you’re basically flossing and freshening at the same time. I also appreciate that it has built-in UV-C sanitation, which cleans the tank and the tip. At 1,800 pulses per minute, it’s really effective at getting in between the crevices of your teeth. A single charge can last up to 30 days.

Who it’s best for: Anyone on a budget who wants a thorough clean. The soft mode is also great for anyone with sensitive teeth or gums. This device is on the smaller side, making it great for travel, too.

Who shouldn’t buy it: If you’re happy with a basic water flosser, the Aquapods aren’t necessary (you can use it without them). It’s also not ideal if you prefer larger tanks with fewer refills.

— Nasha Addarich Martínez, managing editor

Why we like it: I selected the Philips Power Flosser 3000 as the best cordless water flosser for braces because of its unique X-shaped Quad Stream tip, which splits the water flow into four jets to reach more areas between teeth and along the gumline. This design also makes it effective for cleaning in between braces.

The Power Flosser 3000 comes with a standard tip for general cleaning and includes 360-degree rotation, two modes (clean and deep clean) and three pressure levels. Its 250-ml water tank is the third-largest among cordless models on this list, making it great for the time it takes to get between braces. It’s also easy to screw off for cleaning.

Who it’s best for: I would recommend the Philips Power Flosser 3000 to anyone looking for a cordless model under $100 that can help with water flossing between braces. Since it doesn’t have an ADA Seal of Acceptance, anyone interested in buying should consult with their dentist first.

Who shouldn’t buy it: At a full price of $80, this is the second-most expensive cordless water flosser on this list. It also has the shortest battery life of 14 days. So if you’re looking for a less expensive model with more battery life, this isn’t the one for you.

Why we like it: Made in collaboration with Burst’s community of hygienists and dentists, the cordless Burst Water Flosser has the highest battery life, up to 80 days, out of any water flosser on this list. It also has three modes (standard, turbo and pulse) and comes with one standard tip that rotates 360 degrees. For cleaning, the water tank can also be removed with a tab on the bottom.

Who it’s best for: The Burst Water Flosser is ideal for anyone seeking a cordless water flosser with long battery life.

Who shouldn’t buy it: As the Burst Water Flosser has a 110-ml water tank, the smallest on this list, I wouldn’t recommend it to someone who wants more use out of a water flosser tank. At a full price of $70, it’s also the second-most expensive cordless water flosser on this list, so it wouldn’t be a good fit for budget-conscious shoppers. Since it only comes with one classic tip, it wouldn’t be ideal for those with braces unless you’re willing to purchase the ortho tip separately for $8.

Why we like it: The smallest water flosser on this list, measuring 9 x 3.7 x 2.7 inches, the cordless Quip Water Flosser would be great for travel. Despite its low profile, this water flosser still features a 155-ml top-fill water tank, providing 1 minute of flossing time on its gentle setting. It also offers one other mode: deep clean.

With its magnetic charging cable, the Quip Water Flosser charges in four hours and has a 56-day battery life. It comes with a single tip that rotates 360 degrees and magnetically attaches to the flosser. Among the water flossers tested on this list, Quip offers the sleekest design for $50.

Who it’s best for: The Quip Water Flosser is best for anyone who wants a minimalist, under-$50, cordless water flosser that is small and perfect for travel.

Who shouldn’t buy it: I wouldn’t recommend this water flosser to someone with more complex dental needs, such as braces, because it only comes with one standard tip. The water tank also isn’t removable, but can be cleaned once per month by running a one-part vinegar, two-part water solution through the flosser. Then, rinse with three tanks of warm water. Stains or buildup can be cleaned with a damp cloth, water and a few drops of dish soap. Once a week, you can also run warm water through it and let it air-dry.

Why we like it: Three water flossers I’ve seen mentioned for being quiet are the Waterpik Cordless Advanced 2.0, Philips Power Flosser 3000 and Waterpik Cordless Pulse 3100, so I put them to the test using the Decibel X:dB Sound Level Meter app. With water inside and about 1 inch from my phone, the Waterpik Cordless Pulse 3100 was the quietest at both its highest (67.5 dBA) and lowest (61.3 dBA) settings. Just note that no water flosser will be completely silent.

The Waterpik Cordless Pulse 3100 has an ADA Seal of Acceptance, the second-highest battery life on this list (63 days), two pressure modes, two tips (a tongue cleaner and standard) and is tied with Quip as the third-least expensive model on this list at $50.

Who it’s best for: The Waterpik Cordless Pulse 3100 is a good option for anyone who wants a quiet cordless water flosser. It has the second-highest battery life on this list at 63 days, making it a good fit for someone looking for long battery life.

Who shouldn’t buy it: Because the Cordless Pulse 3100 only comes with a standard tip and tongue cleaner, it isn’t ideal for those with braces, implants or dentures. It’s also on the simpler side, with just two pressure settings, so it wouldn’t be for someone who wants a water flosser with more features.

“Water flossers are especially beneficial for people with braces or other orthodontic appliances, as well as patients with implants, bridges or crowns, where cleaning around dental work can be more challenging,” says prosthodontist Theresa Wang, adding that they can also be helpful for individuals with gum disease or deep gum pockets, since the pressurized water can reach areas that traditional floss may miss. Patients with sensitive gums may also find a water flosser more comfortable and gentler.

Water flossers can be helpful for those with dexterity challenges who can’t use traditional string floss. “With the assistance of a caregiver, they can also be useful for those who may have a physical or intellectual disability,” says dentist Suparna Mahalaha.

While most people can safely use a water flosser, Wang recommends that those who have recently had oral surgery or have specific dental concerns consult their dentist first.

“If a patient is experiencing ongoing pain, bleeding or irritation [when using a water flosser], they should stop use and seek professional guidance,” Wang states.

Mahalaha also doesn’t recommend water flossers to people who can’t take liquids by mouth, as the water stream could be swallowed. Those with children should also have adult supervision if using a water flosser.

The cordless water flosser with the longest battery life is the Burst Water Flosser, which offers up to 80 days of battery life.

While no water flosser will be completely silent, in our tests, we found the Waterpik Cordless Pulse 3100 to be the quietest water flosser for shared bathrooms, operating at 67.5 dBA on its high setting and 61.3 dBA on its low setting.