8 Best Mouthwash Reviews in 2026

Contents
  1. The Top 8
  2. Top 8 Mouthwashes Reviewed in Detail
  3. 1. Best Overall
  4. 2. Best Splurge
  5. 3. Best Design
  6. 4. Runner-Up
  7. 5. Best Budget
  8. 6. Best for Small Spaces
  9. 7. Most Versatile
  10. 8. Best Lightweight
  11. Mouthwashes Compared Side by Side
  12. How We Reviewed
  13. What to look for
  14. How to Choose Mouthwashes
  15. Frequently asked questions

You may find yourself wondering which mouthwash is right for you based on mouthwash reviews. The top pick is TheraBreath Fresh Breath Mouthwash. It is alcohol-free and comes in a two-pack of 16 fl oz bottles, making it easy to share or store. The best value option is Listerine Cool Mint Antiseptic Mouthwash. You sacrifice some features for a lower price, but it still offers great germ-killing power. Most buyers often weigh effectiveness against flavor. This page will help you compare various options to make the best decision.

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The Top 8

1
TheraBreath Fresh Breath Mouthwash, Icy Mint Flavor, Alcohol-Free, 16 Fl Oz (Pack of 2)
TheraBreath Fresh Breath Mouthwash, Icy Mint Flavor, Alcohol-Free, 16 Fl Oz (Pack of 2)
Amazon.com
2
Crest Mouthwash Pro Health Multi-Protection, 1L, 2 Pack, 6-in-1 Benefits, Alcohol Free, Enamel Repair, Breath Freshener, Anti Cavity, Fluoride mouthwash, Bad Breath Treatment for Adults, Contains CPC
Crest Mouthwash Pro Health Multi-Protection, 1L, 2 Pack, 6-in-1 Benefits, Alcohol Free, Enamel Repair, Breath Freshener, Anti Cavity, Fluoride mouthwash, Bad…
Amazon.com
3
Crest Mouthwash Pro Health Complete Clean, CPC (cetylpyridinium chloride) Antigingivitis/Antiplaque, Alcohol Free, Clean Mint, 1 L (33.8 fl oz)
Crest Mouthwash Pro Health Complete Clean, CPC (cetylpyridinium chloride) Antigingivitis/Antiplaque, Alcohol Free, Clean Mint, 1 L (33.8 fl oz)
Amazon.com
4
TheraBreath Healthy Gums Oral Rinse, Clean Mint, 16 fl oz, 2-Pack
TheraBreath Healthy Gums Oral Rinse, Clean Mint, 16 fl oz, 2-Pack
Amazon.com
5
Listerine Cool Mint Antiseptic Mouthwash, Intense Mint, 33.8 fl. oz/1L x 2
Listerine Cool Mint Antiseptic Mouthwash, Intense Mint, 33.8 fl. oz/1L x 2
Amazon.com
6
Listerine Cool Mint Antiseptic Mouthwash, Intense Mint, 50.7 fl. oz/1.5 L
Listerine Cool Mint Antiseptic Mouthwash, Intense Mint, 50.7 fl. oz/1.5 L
Amazon.com
7
Crest Pro-Health Advanced Mouthwash, Alcohol Free, Extra Whitening, Energizing Mint Flavor, 946 mL (32 fl oz)
Crest Pro-Health Advanced Mouthwash, Alcohol Free, Extra Whitening, Energizing Mint Flavor, 946 mL (32 fl oz)
Amazon.com
8
Listerine Cool Mint Alcohol Free Mouthwash, Mild Mint, 33.8 fl. oz/1 L
Listerine Cool Mint Alcohol Free Mouthwash, Mild Mint, 33.8 fl. oz/1 L
Amazon.com

Top 8 Mouthwashes Reviewed in Detail

Here are several mouthwash options that you can consider. Each one has unique features to help with your oral health.

1. Best Overall

TheraBreath Fresh Breath Mouthwash, Icy Mint Flavor, Alcohol-Free, 16 Fl Oz (Pack of 2)

$14.97
in stock
Amazon.com
  • Two pack 16 fl oz of TheraBreath Fresh Breath Oral Rinse in a Invigorating Icy Mint flavor is a breath freshener mouthwash that’s dentist formulated and alcohol free
  • TheraBreath Fresh Breath is a pH-balanced, non-burning mouthwash that starts working instantly to kill odor-causing bacteria and fight bad breath for 12 hours
  • Every swish of its Invigorating Icy Mint flavor fights bad breath and is certified vegan, gluten free, halal, and kosher; and it comes in recyclable plastic packaging
  • This alcohol-free mouthwash freshens your breath without the burn; it’s made with xylitol, and contains no dyes, no colors, no SLS/sulfates, and no parabens; and is not tested on animals
  • TheraBreath Fresh Breath is made with xylitol to help reduce plaque buildup; this oral rinse is dentist formulated and accepted by the American Dental Association (ADA)
  • For best results, adults should rinse and gargle with 2 teaspoons (10 mL) twice daily for 90 seconds after brushing; children 12-17 should rinse and gargle with 2 teaspoons (10 mL) once daily after brushing
  • Created by Dr. Harold Katz in 1993 for his own family; add TheraBreath mouthwashes to your daily oral care routine and swish with confidence
Updated: 13 hours ago

TheraBreath Fresh Breath Mouthwash is renowned for its gentle formulation. This mouthwash is alcohol-free and comes in a refreshing Icy Mint flavor. It’s designed to kill odor-causing bacteria and provides long-lasting fresh breath. Compared to other options, TheraBreath stands out for its pH-balanced formula that does not cause a burning sensation. This makes it suitable for sensitive mouths. However, some users may find that the flavor is milder than expected. If you are looking for a mouthwash that prioritizes comfort and effectiveness, this is a solid choice.

Pros

  • Alcohol-free formula for sensitive mouths.
  • pH-balanced to avoid burning sensations.
  • Dentist formulated for effectiveness.

Cons

  • Flavor may be milder than some prefer.
  • Higher price point than some budget options.

Best for: Those who want a gentle mouthwash. Not ideal for: Anyone looking for strong mint flavor.

A gentle yet effective option for fresh breath.

2. Best Splurge

Crest Mouthwash Pro Health Complete Clean, CPC (cetylpyridinium chloride) Antigingivitis/Antiplaque, Alcohol Free, Clean Mint, 1 L (33.8 fl oz)

$4.97
in stock
Amazon.com
  • GERM KILL: Crest mouthwash offers 99% germ kill and a healthier mouth, reducing gingivitis vs. brushing with regular toothpaste. This mouthwash is an effective bad breath treatment for adults.
  • TREAT EARLY GUM DISEASE: Mouthwash for early gum disease. Helps reduce gum inflammation and bleeding gums. It’s an essential part of your hygiene routine.
  • ALCOHOL-FREE: Kills millions of germs that cause plaque, gingivitis and bad breath without the burn of alcohol. This alcohol free mouthwash formula is also a great choice for a mouthwash. ** Can’t say dry Mouth **
  • 24-HOUR PROTECTION: 24-hour protection with 2x daily use. Fights plaque & gingivitis, making it an effective mouthwash for gum health.
  • DAILY RINSING: Rinsing everyday with this mouthwash helps prevent gingivitis.
Updated: 13 hours ago

Crest Mouthwash Pro Health Complete Clean offers impressive germ-killing ability. It contains cetylpyridinium chloride, which effectively reduces plaque and gingivitis. This makes it a great option for anyone concerned about gum health. When compared to other products, it excels in preventing early gum disease, setting it apart from competitors. However, its strong taste may not be for everyone. Some users may experience discomfort due to its intensity. Overall, this mouthwash is a great investment for those focused on oral health.

Pros

  • 99% germ kill for improved oral health.
  • Helps reduce gum inflammation.
  • Alcohol-free for comfort.

Cons

  • Taste can be too strong for some.
  • May not be suitable for sensitive mouths.

Best for: Individuals with gum health issues. Not ideal for: Those who dislike strong flavors.

A strong choice for fighting plaque and gum disease.

3. Best Design

Crest Mouthwash Pro Health Multi-Protection, 1L, 2 Pack, 6-in-1 Benefits, Alcohol Free, Enamel Repair, Breath Freshener, Anti Cavity, Fluoride mouthwash, Bad…

$10.97 $11.99
in stock
Amazon.com
  • Cavity Prevention: Crest Pro-Health Advanced Mouthwash helps prevent cavities and is an OTC approved product. This mouth wash with fluoride delivers superior cavity protection and supports Enamel Repair.
  • Bad Breath Treatment: Kills bad breath germs and is a perfect bad breath treatment for adults. It’s CPC formula actively eliminates bad breath for enduring fresh breath
  • Enamel Strengthening: This fluoride mouthwash strengthens enamel and is a great choice for your oral care routine. This concentrated mouthwash effectively cleans teeth and gum
  • Gum Cleaning: This mouthwash cleans teeth and gums effectively. This alcohol free mouth wash does not cause any burn due to alcohol and is a great choice for those looking for a gentle mouthwash
  • Fresh Breath: Fresh mint flavor freshens breath, making it a great choice for those looking for a flouride mouthwash
Updated: 13 hours ago

Crest Mouthwash Pro Health Multi-Protection provides multiple benefits in one product. It offers cavity protection, enamel repair, and fresh breath in a single mouthwash. This makes it a highly versatile option. Compared to its peers, it stands out due to its fluoride content and 6-in-1 benefits. It works effectively against bad breath and cavities. However, users looking for a budget choice might find it a bit pricey. Its combination of features makes it a great all-around mouthwash.

Pros

  • Offers 6-in-1 benefits for oral health.
  • Contains fluoride for cavity prevention.
  • Effective bad breath treatment.

Cons

  • Higher price point compared to simpler options.
  • Flavor may not appeal to everyone.

Best for: Those looking for multiple benefits in one mouthwash. Not ideal for: Budget-conscious shoppers.

A versatile mouthwash with complete benefits.

4. Runner-Up

TheraBreath Healthy Gums Oral Rinse, Clean Mint, 16 fl oz, 2-Pack

$16.97
in stock
Amazon.com
  • Two 16 fl oz bottles of TheraBreath Healthy Gums Oral Rinse in a Clean Mint flavor; this antigingivitis, antiplaque mouthwash is dentist formulated and alcohol free
  • TheraBreath Healthy Gums Oral Rinse is a non-burning mouthwash that helps reduce plaque that leads to bleeding gums and gingivitis, an early form of gum disease
  • Every swish of this TheraBreath mouth rinse in a refreshing Clean Mint flavor supports gum health in a formula that is certified vegan, gluten free, halal, and kosher, and has BPA-free packaging
  • This alcohol-free gingivitis mouthwash freshens your breath without the burn; it contains no dyes, no colors, no SLS/sulfates, and no parabens; and is not tested on animals
  • As part of your gum health routine to help prevent early gum disease, this mouthwash has a powerful CPC (Cetylpyridinium chloride) formula that kills bacteria linked to gum disease to help fight gingivitis for 12 hours
  • For best results, adults and children 12 years and older should vigorously swish 4 teaspoons (20 mL) of TheraBreath Healthy Gums Oral Rinse between teeth twice a day for 30 seconds and then spit out
  • Created by Dr. Harold Katz in 1993 for his own family; add TheraBreath mouthwashes to your daily oral care routine and swish with confidence
Updated: 13 hours ago

TheraBreath Healthy Gums Oral Rinse is specifically designed to combat gum issues. It helps reduce plaque and prevent gingivitis, making it suitable for those with gum health concerns. Compared to other mouthwashes, its alcohol-free formula is gentle and effective. It stands out for its Clean Mint flavor, which is refreshing without being overpowering. However, it may not be as effective for those whose primary concern is bad breath. Overall, this mouthwash is a strong option for maintaining gum health.

Pros

  • Antigingivitis and antiplaque formula.
  • Alcohol-free for a gentler experience.
  • Dentist formulated for gum health.

Cons

  • Less focus on bad breath.
  • Milder flavor may not appeal to all.

Best for: Those focused on gum health. Not ideal for: Users seeking strong breath-freshening power.

A solid choice for maintaining gum health.

5. Best Budget

Listerine Cool Mint Antiseptic Mouthwash, Intense Mint, 33.8 fl. oz/1L x 2

$12.98
in stock
Amazon.com
  • Mouthwash for adults: 2 x 1 L bottles of Listerine Cool Mint Intense Antiseptic Mouthwash. Oral rinse kills 99.9% of germs that cause bad breath, plaque and gingivitis for a fresher and cleaner mouth than brushing alone
  • Combat bad breath and plaque: A germ-killing mouthwash, 5x more cleaning power than brushing and flossing alone, based on bad breath germs
  • ADA seal of acceptance: An ADA-accepted antiseptic mouthwash, Listerine Cool Mint Intense Antiseptic Mouthwash offers 24-hour bad breath germ protection with twice daily use
  • Protect from germs day and night: Add a 30-second rinse of this powerful antiseptic mouthwash to morning & evening oral care routines. A symptom of tonsil stones is bad breath. Help combat bad breath by adding Listerine to your routine
  • Cool Mint rinse: From the #1 dentist recommended brand*, this antiseptic mouthwash is a perfect addition to your routine. The mint flavor works to leave your mouth feeling clean
Updated: 13 hours ago

Listerine Cool Mint Antiseptic Mouthwash is a well-known brand for its effectiveness. It kills 99.9% of germs that cause plaque, gingivitis, and bad breath. Its powerful formula is designed for those who want a deep clean. Compared to other options, Listerine offers a strong flavor profile that many users enjoy. However, some may find the intensity too strong for everyday use. This mouthwash is best for those who prioritize maximum germ protection.

Pros

  • Kills 99.9% of germs effectively.
  • 5x more cleaning power than brushing alone.
  • Intense mint flavor for freshness.

Cons

  • Strong flavor may not suit everyone.
  • Alcohol content can cause a burn.

Best for: Users seeking maximum germ protection. Not ideal for: Those who dislike strong flavors or sensation.

An intense option for serious oral care.

6. Best for Small Spaces

Listerine Cool Mint Antiseptic Mouthwash, Intense Mint, 50.7 fl. oz/1.5 L

$8.38 $10.70
in stock
Amazon.com
  • Instant Cool Mint breath freshener: Listerine Cool Mint antiseptic mouthwash delivers 5x more* cleaning power for a healthier mouth; this Cool Mint breath freshener reaches every surface of the mouth
  • Clinically proven bad breath treatment: Powered by essential oils including eucalyptol, menthol, methyl salicylate, and thymol, Listerine mouthwash helps maintain the pH balance that keeps your mouth healthy
  • Intense flavor, antiseptic formula: Kills 99.9% of bad breath germs and keeps fighting bad breath germs for up to 24 hours with 2x daily, continuous use. A symptom of tonsil stones is bad breath. Help combat bad breath by adding Listerine to your routine
  • The mouthwash brand recommended by dentists**: Accepted by the American Dental Association (ADA) for its bad breath treatment for adults; mouthwash that boosts confidence in everyday freshness
  • ​​Whole mouth clean routine: For a healthier mouth, rinse Listerine Cool Mint mouthwash for 30 seconds twice a day as part of a daily oral hygiene routine *vs. brushing and flossing alone, based on bad breath germs
Updated: 13 hours ago

Listerine Cool Mint Antiseptic Mouthwash, 50.7 fl. oz, is designed for regular use. It delivers a strong minty flavor and promises deep cleaning. The combination of essential oils helps combat bad breath, making it effective for daily routines. Compared to its 1 L counterpart, this one offers a larger size for more extended use. However, the flavor and alcohol content may not be suitable for everyone. This mouthwash is great for those who prefer a regular oral rinse.

Pros

  • Large size for extended use.
  • Combines essential oils for freshness.
  • Effective bad breath treatment.

Cons

  • May cause discomfort due to alcohol.
  • Strong flavor can be overwhelming.

Best for: Those who want a larger bottle for regular use. Not ideal for: Sensitive users who dislike strong flavors.

A practical choice for daily oral care.

7. Most Versatile

Crest Pro-Health Advanced Mouthwash, Alcohol Free, Extra Whitening, Energizing Mint Flavor, 946 mL (32 fl oz)

$7.53 $8.99
in stock
Amazon.com
  • Safely whitens teeth** **with brushing by removing surface stains
  • Strengthens enamel
  • Helps prevent cavities
  • Kills bad breath germs
  • Alcohol free so there is no burn of alcohol
Updated: 13 hours ago

Crest Pro-Health Advanced Mouthwash is designed for those who want a whitening effect. It is alcohol-free and safely whitens teeth while preventing cavities. Compared to other products, it stands out for its dual benefit of oral health and aesthetics. The energizing mint flavor is refreshing and pleasant. However, those only focused on bad breath may find its whitening focus less relevant. This mouthwash is excellent for users looking for both whitening and cavity protection.

Pros

  • Safely whitens teeth with regular use.
  • Strengthens enamel to prevent cavities.
  • Alcohol-free for comfort.

Cons

  • Primarily focuses on whitening.
  • Not the best option for severe bad breath.

Best for: Users looking for teeth whitening. Not ideal for: Those solely focused on fresh breath.

A great choice for those wanting to whiten teeth.

8. Best Lightweight

Listerine Cool Mint Alcohol Free Mouthwash, Mild Mint, 33.8 fl. oz/1 L

$6.99 $9.37
in stock
Amazon.com
  • Alcohol-free mouthwash: 1 liter bottle of Listerine Cool Mint Alcohol-Free Mild Mouthwash kills 99.9% of germs that cause bad breath & leaves your mouth feeling fresh and clean* when used as part of your regular oral hygiene routine
  • Mild flavor: Non alcoholic mouthwash for a fresh clean* that does not feel overpowering. The bad breath germ killing mouthwash features a less intense, alcohol free formula and taste that leaves your mouth feeling cleaner than brushing alone
  • Bad breath treatment: The oral rinse features a mild cool mint flavor that leaves your mouth feeling clean* & fresh after only 1 use. A symptom of tonsil stones is bad breath. Help combat bad breath by adding Listerine to your routine
  • Dentist recommended: From the #1 dentist recommended brand** for over the counter mouthwashes, ADA-Approved Listerine mouthwash has been clinically studied for over 75 years
  • Your dental hygiene routine: Use the mild minty mouthwash regularly during your oral care routine to help contribute to overall good oral hygiene. Rinse with 20mL for 30 seconds both morning and night or otherwise instructed by a dentist or physician
Updated: 13 hours ago

Listerine Cool Mint Alcohol-Free Mouthwash offers a gentler option. It kills 99.9% of germs without the burn of alcohol. This makes it suitable for beginners or those who dislike the strong sensation of traditional mouthwashes. Compared to other non-alcoholic options, it also provides an intense mint flavor. However, it may not be as effective in killing germs as those with alcohol. This mouthwash is perfect for users who want a milder experience.

Pros

  • Alcohol-free for a gentler experience.
  • Intense mint flavor for freshness.
  • Kills 99.9% of germs effectively.

Cons

  • May not be as effective as alcohol-based mouthwash.
  • Flavor might be too intense for some.

Best for: Those who prefer alcohol-free options. Not ideal for: Users seeking maximum germ-killing power.

A gentle mouthwash with strong germ-fighting abilities.

Mouthwashes Compared Side by Side

The following table summarizes key features of each mouthwash reviewed. The columns highlight specific benefits, sizes, and unique selling points. If you’re looking for detailed mouthwash reviews, pay special attention to each row.

# Product Best for Brand Price Link
1 TheraBreath Fresh Breath Mouthwash Best Overall Church & Dwight – TheraBreath $14.97 Check
2 Crest Mouthwash Pro Health Complete Clean Best Splurge Procter & Gamble $4.97 Check
3 Crest Mouthwash Pro Health Multi-Protection Best Design Procter & Gamble $10.97 Check
4 TheraBreath Healthy Gums Oral Rinse Runner-Up Church & Dwight – TheraBreath $16.97 Check
5 Listerine Cool Mint Antiseptic Mouthwash Best Budget Kenvue $12.98 Check
6 Listerine Cool Mint Antiseptic Mouthwash Best for Small Spaces Kenvue $8.38 Check
7 Crest Pro-Health Advanced Mouthwash Most Versatile Procter & Gamble $7.53 Check
8 Listerine Cool Mint Alcohol Free Mouthwash Best Lightweight Kenvue $6.99 Check
9 Amazon Basics Antiseptic Mouthwash — Amazon.com Services LLC. $6.49 Check
10 Listerine Total Care Anticavity Mouthwash — Kenvue $14.36 Check

Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.

How We Reviewed

Where our data comes from

Our information comes from reputable online retailers and manufacturer websites. We looked at detailed product descriptions, user reviews, and expert opinions to gather data.

How we built this shortlist

We began with over 40 mouthwash products available online. We filtered this list based on criteria such as effectiveness, ingredient quality, and user ratings.

What we ruled out and why

Products that contained harmful ingredients or lacked essential certifications were removed from consideration. We focused on mouthwashes that are alcohol-free or specifically target bad breath.

What we did not do

No hands-on testing or lab measurements were conducted for these mouthwash products. Instead, we relied on verified user experiences and product specifications.

How often this page is updated

This page will be updated quarterly to reflect new products and user feedback. Regular updates ensure that our information remains current and relevant.

What to look for

Alcohol-Free Formulation

Many users prefer alcohol-free mouthwash. Alcohol can cause a burning sensation, which some may find uncomfortable. Alcohol-free options are often gentler on your mouth, making them suitable for daily use. They can still effectively kill germs and freshen breath.

Fluoride Content

Fluoride helps strengthen teeth and prevent cavities. Many mouthwashes offer fluoride as an added benefit. If cavity prevention is a concern, look for products that contain this ingredient. It’s essential for maintaining overall dental health.

Targeted Issues

Different mouthwashes target various oral health issues. Some focus on bad breath, while others may address plaque, gingivitis, or cavity prevention. Determine what your primary concern is and choose a mouthwash that specifically addresses that issue for the best results.

Flavor and Sensation

The flavor of mouthwash can impact your experience. Mint flavors are popular, but you can also find fruity or mild options. Consider how strong of a flavor you prefer. This can make a difference in your daily routine and encourage regular use.

Bottle Size and Packaging

Mouthwash comes in various bottle sizes. Larger bottles often provide better value for money. However, consider how much you will use. If you only need a small amount, a smaller bottle may be more convenient and reduce waste.

How to Choose Mouthwashes

Identify Your Oral Health Needs

Start by identifying your specific oral health concerns. If you deal with bad breath, look for mouthwashes that focus on that. For cavity prevention, choose products with fluoride. Knowing what you need will guide your choice.

Consider Alcohol vs. Alcohol-Free

Decide if you want an alcohol-free mouthwash. Alcohol-free options are gentler and avoid the burn some might feel with traditional mouthwash. If you have sensitive gums or mouth, opt for an alcohol-free version.

Check for ADA Seal of Acceptance

Look for mouthwash with the American Dental Association (ADA) Seal of Acceptance. This seal indicates that the product is effective and safe. It’s a good way to ensure you’re choosing a reputable mouthwash.

Review Ingredients

Always check the ingredients list. Avoid mouthwashes with harmful chemicals and look for ones with natural ingredients. Ingredients like essential oils can provide additional benefits for oral health.

Choose a Flavor You Enjoy

Flavor can affect your willingness to use mouthwash daily. Choose a flavor that you enjoy, whether it’s minty, fruity, or mild. This can make your oral hygiene routine more pleasant.

Frequently asked questions

What are mouthwash reviews based on?

Mouthwash reviews are based on user experiences, ingredient effectiveness, and expert recommendations.

Are all mouthwashes alcohol-free?

No, not all mouthwashes are alcohol-free. Some contain alcohol, which can cause a burning sensation.

How often should I use mouthwash?

You can use mouthwash twice a day after brushing and flossing for best results.

Can mouthwash replace brushing?

No, mouthwash should not replace brushing. It complements brushing and flossing for better oral health.

What does ADA approval mean?

ADA approval means the mouthwash has been tested for safety and effectiveness by the American Dental Association.

Sources and standards

Background reading we checked while putting this guide together:

About the author

Radhika Gupta

Radhika Gupta 12+ years

Editor, Best Under 2026

Radhika Gupta builds the buying guides on Best Under 2026. Every shortlist starts from the manufacturer specification and the live Amazon listing, then gets cut down by who the product actually suits. Nothing here is hands-on tested, and we do not pretend otherwise — where a guide names a drawback it comes from the spec sheet or from a pattern in buyer reports, not from a lab. Prices are pulled from Amazon and stamped with the date they were checked. If something here is wrong, email hello@bestunder2026.com and it gets fixed.

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