Does whitening mouthwash actually work?

Whitening mouthwash can work, although results may be subtle compared to in-office treatments. These mouthwashes contain hydrogen peroxide, which can remove surface stains. It’s important to also brush your teeth and visit a dentist for regular cleaning.

Is whitening mouthwash safe?

Whitening mouthwash is safe as it is regulated and approved for use. However, it is not safe to swallow, so be sure to follow the directions on the bottle. If you are concerned about specific ingredients in whitening mouthwash, speak to your dentist and/or choose a natural version.

Can yellow teeth become white?

Yellow teeth can become whiter if you get an in-office whitening treatment. You can also avoid foods that cause stains, such as coffee, tea, and wine, and be sure to practice good oral hygiene, which includes whitening toothpaste and mouthwash and regular flossing.

The 7 Best Whitening Mouthwashes of 2022

We independently research, test, review, and recommend the best products. Healthcare professionals review articles for medical accuracy. Learn more about our process. If you buy something through our links, we may earn a commission.

If you’ve been on the quest for the best products that'll leave you with a brighter smile, you’re not alone—according to Hexa Research, the global market for teeth whitening products is expected to reach over 7 billion dollars by 2024. (Yes, that's billion with a B). Accordingly, there's a wide variety of whitening products out there—and while whitening mouthwashes may not necessarily get the same attention as the uber-popular OTC whitening strips or flashy in-office treatments, they can be a great option for several reasons.

“In comparison to other whitening products, mouthwashes are the simplest to use and implement,” explains Dr. Jennifer Haddad, a cosmetic dentist based in West Hollywood. Beverly Hills-based cosmetic dentist Dr. Matt Nejad agrees, adding that they're especially great for warding off stains between professional cleanings. Translation: You may not get the dramatic whitening you’d get from other products, but given that they’re so easy to use and incorporate into your daily routine, it’s worth a swish.

Meet the Expert

Lawrence Fung, DDS, is a cosmetic dentist and founder of Silicon Beach Dental in Culver City, California. He is also the clinical instructor at the Center for Esthetic Dentistry at UCLA.

Dr. Jennifer Haddad, DDS, is a cosmetic dentist in West Hollywood. She focuses on minimally-invasive dentistry, and has also served as faculty for the University of South California.

Dr. Matt Nejad, DDS, is a cosmetic dentist in Beverly Hills whose celebrity clientele including Beyoncé and Jay-Z. In addition to being a clinical instructor at the University of South California, he also leads continuing education for dentists around the world and is a leading expert in veneers.

So what exactly should we look for in a mouth wash? Most whitening mouthwashes usually contain a form of hydrogen peroxide (the same active ingredient as is found in many other OTC products and professional-strength treatments)—which, as Fung points out, whitens via its oxidizing properties.

Ahead, the best whitening mouthwashes to rinse with now.

Our Top Picks

Best Overall:

Crest Whitening Mouthwash at Amazon

Best Budget:

Solimo Whitening Mouthwash at Amazon

Best Drugstore:

Colgate Optic White Whitening Mouthwash at CVS

Best With Fluoride:

ACT Anticavity + Whitening Mouthwash at Amazon

Runner-Up, Best With Fluoride:

Listerine Multi-Action Fluoride Mouthwash at Amazon

Best for Sensitive Gums:

Dr. Brite Whitening Mouthwash at Drbrite.com

Best Preventative:

Oral Essentials Lumineux Whitening Mouthwash at Thrive Market

Crest 3D White Glamorous White Whitening Mouthwash

View On Amazon View On Riteaid.com View On Walmart

What We Like

Effective
Won't cause stinging or irritate gums
Tastes great

What We Don't Like

Expensive

A triple-action formula makes this effective for whitening teeth, protecting against future stains, and killing the germs that cause bad breath. The brand claims you can see results in just two days, and Haddad, who’s a fan, says it does in fact work fast—even within a week. She also lauds it for being alcohol-free, so you won’t get any of that uncomfortable burning or dryness during or after use.

Active Ingredients: Hydrogen peroxide | Size: 32 fl. oz | Flavor: Fresh mint

View On Amazon

What We Like

Helps remove stains
Inexpensive
No strong taste

What We Don't Like

Very foamy

“This is a great, low-cost alternative that still contains the same main whitening active ingredient, hydrogen peroxide,” says Dr. Lawrence Fung, DDS, founder of Silicon Beach Dental in Los Angeles. (It’s Amazon’s in-house brand, hence the super wallet-friendly price). Indeed, happy Amazon reviewers comment repeatedly on the great value, as well as the whitening effects, particularly on daily stains from things such as coffee.

Active Ingredients: Hydrogen peroxide | Size: 32 fl. oz | Flavor: Clean mint

Courtesy of Walmart

View On CVS View On Walmart

What We Like

Strong formula
Whitens teeth quickly
Helps remove stains

What We Don't Like

Not the most pleasant taste

Fung says this wash, which has a 2 percent concentration of hydrogen peroxide (slightly higher than many of its counterparts), works well. It’s also alcohol-free and will work even faster if you pair it with the brand’s Optic White toothpaste, which is also hydrogen peroxide-based.

Active Ingredients: 2% hydrogen peroxide | Size: 32 fl. oz | Flavor: Icy fresh mint

View On Amazon View On Walgreens

What We Like

Helps prevent cavities
Easy-to-use packaging
A little goes a long way

What We Don't Like

Smaller bottle than other options

Both Fung and Haddad like this pick because it contains fluoride. “This mouthwash, compared to all others, works in a two-fold manner because it whitens and prevents against cavity formation with fluoride,” explains Haddad. You only need to use it once a day, and the bottle has a convenient dosing system that lets you squirt out just the right amount.

Active Ingredients: 0.02% sodium fluoride | Size: 16.9 fl. oz | Flavor: Gentle mint

Listerine Healthy White Vibrant Multi-Action Fluoride Mouthwash

View On Amazon View On Walgreens View On Walmart

What We Like

Helps prevent cavities
Can be used longer for extra whitening
Doesn't cause tooth sensitivity

What We Don't Like

Very foamy

“This is the only whitening mouthwash I use and it works well,” says Nejad. It, too, contains fluoride for cavity prevention and tooth-strengthening purposes, along with hydrogen peroxide (Nejad points out that your mouth will be bubbly from the peroxide). Pro tip: To maximize the whitening effect and stain removal, avoiding rinsing this off for 30 minutes, advises Nejad.

Active Ingredients: 0.02% sodium fluoride | Size: 16 fl. oz | Flavor: Clean mint

View On Drbrite.com View On Thrive Market

What We Like

Contains vitamin C
Doesn't irritate gums
Doesn't cause tooth sensitivity
Made with organic ingredients

What We Don't Like

Not a dramatic whitening effect

“The perk of this natural mouthwash is that it incorporates vitamin C to help soothe and nourish the gums,” says Haddad. “It also has an excellent flavor that most tend to rave about,” she adds. It’s alcohol-free as well, and the majority of the natural ingredients it contains (aloe and mint leaf oil) are organic.

Active Ingredients: Vitamin C, activated charcoal | Size: 8 / 16 fl. oz | Flavor: Mint

Oral Essentials Lumineux Whitening Mouthwash

Courtesy of Vita Cost

View On Thrive Market

What We Like

Helps prevent cavities
Mouth feels clean
Doesn't cause tooth sensitivity
Doesn't irritate gums

What We Don't Like

Not a dramatic whitening effect

This natural, hydrogen peroxide-free option relies on ingredients such as sea salt, coconut, lemon peel, and clove flower. Also in the mix is xylitol, which Haddad says gives you even more bang for your buck. “Xylitol helps prevent tooth decay," she explains. "Not only are you whitening your teeth with this product, but you’re also decreasing the stickiness of plaque, decreasing bad oral bacteria as a result."

Active Ingredients: Xylitol | Size: 16 fl. oz | Flavor: Mint

What to Look For in Whitening Mouthwashes

Whitening Ingredients

Of course, when you are looking for whitening mouthwash, you want to make sure it does its job. There are a handful of ingredients that may help whiten your teeth, but when it comes to effective whitening using mouthwash, hydrogen peroxide is a safe bet. The strength of hydrogen peroxide will vary, but up to 2%, which is a high strength, can be found in mouthwash. Some natural mouthwashes will include activated charcoal as a whitening ingredient.

Cavity Protection

If you want your whitening mouthwash to also help prevent cavities, choose one with fluoride. Some whitening mouthwashes have hydrogen peroxide to whiten and sodium fluoride to prevent decay. While this is not a replacement for fluoride-containing toothpaste, it helps add more protection as a final step in your oral hygiene routine.

Antibacterial

Whitening mouthwash can also help freshen your mouth and kill bacteria that can cause bad breath or decay. Look for ingredients such as alcohol, or if you do not like the burning sensation, try xylitol.

FAQ

Does whitening mouthwash actually work?

Whitening mouthwash can work, although results may be subtle compared to in-office treatments. These mouthwashes contain hydrogen peroxide, which can remove surface stains. It’s important to also brush your teeth and visit a dentist for regular cleaning.
Is whitening mouthwash safe?

Whitening mouthwash is safe as it is regulated and approved for use. However, it is not safe to swallow, so be sure to follow the directions on the bottle. If you are concerned about specific ingredients in whitening mouthwash, speak to your dentist and/or choose a natural version.
Can yellow teeth become white?

Yellow teeth can become whiter if you get an in-office whitening treatment. You can also avoid foods that cause stains, such as coffee, tea, and wine, and be sure to practice good oral hygiene, which includes whitening toothpaste and mouthwash and regular flossing.