Best Alkaline Mouthwashes (2024)

The question “What is the Best Alkaline Mouthwash?” can be answered by delving into the intricacies of oral pH levels, the effects of acidity on oral health, and the potential benefits of maintaining an alkaline environment within the mouth. This balance can play a pivotal role in preventing cavities, reducing bacterial growth, and promoting overall dental health. We explore the merits of choosing the best alkaline mouthwash variants below.

Best Alkaline Mouthwash

What is the Best Alkaline Mouthwash?

1. Plax

Key Specs:

  • pH Level: Typically alkaline, ranging around 8-9.
  • Primary Ingredients: Often contains cetylpyridinium chloride as an antibacterial agent. Pros:
  • Antibacterial: Effective in reducing and preventing the formation of plaque.
  • Loosens Plaque: Designed to help loosen and detach plaque for easier removal during brushing.
  • Freshness: Leaves mouth feeling fresh and clean. Cons:
  • Taste: Some users might find its taste less appealing compared to other brands.
  • Temporary Stinging: Can cause a temporary stinging sensation for some people.

2. Therabreath

Key Specs:

  • pH Level: Alkaline, often found to be between 8-9.
  • Primary Ingredients: Commonly features OXYD-8 (a proprietary stabilized chlorine dioxide) and zinc compounds. Pros:
  • Combat Bad Breath: Specially formulated to fight bad breath for up to 24 hours.
  • No Alcohol: Alcohol-free formulation, making it gentler on the mouth and suitable for long-term use.
  • Dentist Recommended: Widely recommended by dental professionals for its effectiveness. Cons:
  • Price: Slightly more expensive compared to other over-the-counter mouthwashes.
  • Taste: While designed for neutral taste, some users may still find it peculiar.

3. PRO Maintenance Rinse (previously known as CTx3)

Key Specs:

  • pH Level: Highly alkaline, often ranging around 9-9.82.
  • Primary Ingredients: Features a combination of xylitol, fluoride, and pH elevation to maximize oral health benefits. Pros:
  • Multifunctional: Designed not just for fresh breath but also for cavity prevention and treating gingivitis.
  • Highly Alkaline: Its high pH makes it one of the most alkaline mouthwashes in the market, beneficial for those targeting acidic oral environments.
  • Pleasant Taste: Comes in a range of flavors that many users find enjoyable. Cons:
  • Availability: Not as widely available in local drugstores compared to more mainstream brands.
  • Price Point: Its specialized formula might come at a higher cost than standard mouthwashes.

Research has consistently shown that the pH level within the oral environment significantly influences cavity formation. Oral bacteria are most likely to cause cavities in environments where the pH level ranges between 0-5.5. Regardless of the sugar content in consumed beverages, a predominantly acidic environment can facilitate cavity development. The mouth typically takes approximately an hour to neutralize acidity. Since many ingested items possess acidic qualities, promptly neutralizing the pH after consumption can be crucial in cavity prevention. On the pH scale of 0-14, any value above 7 denotes an alkaline nature. A variety of beverages, including diet sodas, juices, energy drinks, and certain bottled waters, exhibit acidic properties, often attributed to carbonation or added flavors.

Role of Mouthwash in pH Regulation
Mouthwash acts as a supplementary tool in dental hygiene, complementing toothpaste and floss, and effectively reaching areas they might overlook. Mouthwashes are beneficial in addressing concerns like bad breath, gingivitis, and cavity prevention. Nonetheless, it’s essential to note that the application of mouthwash doesn’t eliminate the need for routine brushing and flossing. A point of concern is the inherent acidity of several mouthwashes available in the market. While they might temporarily eliminate harmful bacteria, the subsequent acidic environment can be conducive for bacterial resurgence.

Mouthwashes with non-acidic pH levels are categorized as alkaline. A range of brands have undergone evaluation to ascertain their pH values.

Acidic Mouthwashes: A Word of Caution
Mouthwashes that register a pH value below 5.5 can enhance the risk of cavities. This includes renowned brands such as Listerine, Colgate, Scope, and even natural variants like Tom’s of Maine. These might be suitable for infrequent use, but their daily application is not advised.

Prominent Alkaline Mouthwashes
Alkaline mouthwashes serve their primary function and concurrently contribute to a cavity-resistant oral environment. Foremost alkaline brands encompass ACT variants, Biotene, Hello Activated Charcoal, and the prescription-restricted Peridex.

For individuals primarily focused on cavity prevention, mouthwashes that have pH values oscillating between 8.01-9.82 are deemed most effective. Researchers in this domain recommend brands like Plax, Therabreath, and PRO Maintenance Rinse (previously CTx3) for their multifaceted benefits.

For enduring cavity prevention, mouthwashes with non-acidic profiles are advocated. In this realm, the brands Plax, Therabreath, and CTx3 by Carifree are particularly highlighted.

Guide to Mouthwash pH Levels

  • Most Acidic: Natural Dentist Anti-Gingivitis Rinse (3.02), Listerine Total Care (3.07), Listerine Smart Mouth Mouthwash (3.23).
  • Neutral Range: Crest 3D White Multi-Care Whitening Rinse (4.98), Smartmouth Clinical DDS (5.00), PerioBrite (5.0).
  • Predominantly Alkaline: ACT Dry Mouth (6.36), Biotene (6.63), Plax (8.01), CTx3/PRO Maintenance Rinse (9.00), Therabreath (9.82).

1. The Science Behind Alkalinity and Acidity

Our mouth is a bustling hub of activity. With a complex balance between various bacteria, the pH level plays a pivotal role in determining oral health. A neutral pH level stands at 7, but a mouth’s natural environment can sometimes lean acidic.

2. Why pH Matters in Mouth Hygiene

Bacteria, especially the harmful kind, thrive in acidic environments. An acidic pH can accelerate tooth decay and lead to cavities. Alkaline solutions, on the other hand, deter bacterial growth, thus promoting a healthier mouth.

3. Alkaline vs. Acidic: Breaking Down the Basics

In essence, anything below a pH of 7 is acidic, and above it is alkaline. Our aim, in the context of oral health, is to ensure our mouth leans towards the alkaline side of the spectrum.

4. Sugar-Free Drinks: A Deceptive Oral Health Threat

While sugar-free sodas might seem like a healthier choice, they often hide a secret: high acidity. Such beverages can quickly disrupt the pH balance in the mouth.

5. Alkaline Mouthwash: An Unsung Hero

More than just battling bad breath, an alkaline mouthwash creates an environment where harmful bacteria are less likely to thrive. This provides an essential line of defense against oral diseases.

6. Popular Mouthwashes: How Do They Stack Up?

Many over-the-counter mouthwashes might freshen your breath, but they can ironically be acidic. It’s crucial to scrutinize labels and opt for those that support an alkaline environment.

7. Evaluating Mouthwash pH: The Research

Studies have indicated a wide variance in the pH levels of popular mouthwashes. Brands that prioritize alkalinity can often provide a better shield against bacteria and decay.

8. Averting Cavities: Alkaline Mouthwash’s Primary Role

By consistently maintaining an alkaline environment, these mouthwashes can greatly reduce the risk of cavities, setting the stage for long-term oral health.

9. Recommendations: Top Alkaline Mouthwashes

After extensive research, we recommend brands such as [Brand A], [Brand B], and [Brand C] for their consistent alkaline properties and overall dental benefits.

10. Natural Alternatives: Not Always the Best Choice

While natural solutions like baking soda rinses can be alkaline, not all natural mouthwashes maintain the desired pH balance. It’s vital to choose with discretion.

11. Making the Switch: Transitioning to Alkaline Mouthwash

To start, integrate the mouthwash into your nightly routine, gradually increasing frequency as you gauge its effects. Remember to swish thoroughly for maximum benefits.

12. Complementing Mouthwash with Diet

A diet rich in vegetables and low in acidic foods and beverages can further support an alkaline mouth environment, amplifying the effects of your mouthwash.

13. Expert Opinions: What Dentists Say

Many dentists now recommend alkaline solutions as a staple in oral care routines, emphasizing their role in cavity prevention and overall oral health.

14. Cost Analysis: Investment vs. Benefits

Though some alkaline mouthwashes might carry a higher price tag, the long-term savings from averting dental issues make it a worthy investment.

15. DIY Alkaline Mouthwashes: Are They Effective?

While there are recipes available, it’s essential to ensure the correct pH level is achieved. Store-bought options often provide more consistency.

16. For Kids: Safe Alkaline Mouthwashes

Children, too, can benefit from the protective shield of alkaline mouthwashes. Brands like [Child-Friendly Brand] are specially formulated for younger users.

17. Debunking Myths: Separating Fact from Fiction

Contrary to popular belief, a mouthwash’s flavor intensity doesn’t correlate with its effectiveness. The pH level is a far more crucial determinant.

18. Global Trends: Alkaline Mouthwashes Around the World

From Europe to Asia, the shift towards alkaline oral solutions is evident. Brands globally are recognizing and responding to the demand for pH-balanced products.

19. Future of Oral Care: What’s Next for Alkaline Mouthwashes?

With technology ever-advancing, we anticipate even more effective and tailored alkaline solutions that cater to specific oral health needs.

20. Taking Action: Your Step-by-Step Guide

Prioritize your oral health today. Review your current products, research alkaline alternatives, and make the switch to ensure a healthier, brighter smile.


The path to optimal oral health is paved with knowledge and the right tools. Alkaline mouthwashes stand as a formidable ally in this journey, promising not just fresher breath but a healthier oral environment.


  • Q: Why is alkalinity so important for oral health?
  • A: Alkalinity deters harmful bacterial growth, reducing the risk of cavities and tooth decay.
  • Q: Are all natural mouthwashes automatically alkaline?
  • A: Not necessarily. It’s crucial to check the pH level before choosing.
  • Q: Can I make my own effective alkaline mouthwash at home?
  • A: While possible, store-bought options often offer more consistency in pH levels.
  • Q: How do I integrate an alkaline mouthwash into my daily routine?
  • A: Start by incorporating it into your nightly routine and adjust frequency based on comfort.
  • Q: Is it safe for children to use alkaline mouthwashes?
  • A: Yes, but it’s advisable to choose brands specifically formulated for children.

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Last update on 2024-07-23 / Affiliate links / Images from Amazon Product Advertising API

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