Best Mouthwash Bad Breath of 2026

Last updated on 04/04/2026

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Best Choice

CB12 Menthol Menthol Mouthwash - Strengthens the Enamel - Pleasant Breathing for 12 Hours - 1 Litre

CB12 Menthol Menthol Mouthwash - Strengthens the Enamel - Pleasant Breathing for 12 Hours - 1 Litre

CB12

24% Off

Why we love it

Neutralizes bad breath instantly.
Provides 12-hour fresh breath.
Strengthens enamel with daily use.

Main Highlights

CB12 Mint Mouthwash counteracts the root cause of bad breath and prevents its reoccurrence by neutralizing the malodorous sulphur gases in your mouth. The effect of CB12 is instant and provides pleasant breath for 12 hours.
An alcohol-free mouthwash with a pleasant, soft Mint flavour.
CB12 Mint contains 0.05% sodium fluoride, an ingredient proven to strengthen your enamel with daily use.
Use as required, for a 24-hour effect, rinse morning and evening.
CB12 Mouthwash is recommended for daily use from the age of 12.
Always check the product packaging before use.

9.8

Exceptional

9.8

Exceptional

CB12

CB12 Menthol Menthol Mouthwash - Strengthens the Enamel - Pleasant Breathing for 12 Hours - 1 Litre

24% Off

Why we love it

Neutralizes bad breath instantly.
Provides 12-hour fresh breath.
Strengthens enamel with daily use.

Main Highlights

CB12 Mint Mouthwash counteracts the root cause of bad breath and prevents its reoccurrence by neutralizing the malodorous sulphur gases in your mouth. The effect of CB12 is instant and provides pleasant breath for 12 hours.
An alcohol-free mouthwash with a pleasant, soft Mint flavour.
CB12 Mint contains 0.05% sodium fluoride, an ingredient proven to strengthen your enamel with daily use.
Use as required, for a 24-hour effect, rinse morning and evening.
CB12 Mouthwash is recommended for daily use from the age of 12.
Always check the product packaging before use.

Value for Money

The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath, Icy Mint Flavour, 500 ml

The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath, Icy Mint Flavour, 500 ml

The Breath Co.

Why we love it

Provides 12 hours fresh breath.
Formula neutralizes bad breath.
Ideal for sensitive mouths.

Main Highlights

12 Hours of Fresh Breath: The Breath Co Fresh Breath Oral Rinse fights bad breath for 12 hours with our unique pH balanced formula, giving you long-lasting confidence with every use
Powered by Active Oxygen: Our unique formula powered by active oxygen is clinically shown to neutralise bad breath and cleans the whole mouth, even in hard-to-reach places
Dentist Formulated: Created by Dr. Harold Katz to help his daughter overcome her chronic bad breath, our mouthwash is made from his breakthrough research into fighting odour-causing mouth bacteria
PH Balanced: Our unique formula is pH-balanced, unlike other acid-based mouthwashes, and helps to resist daily acidic attacks that can harm your teeth enamel and gums
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour causing bacteria
Clean Label: Our mouthwash is made to the highest standards with no artificial dyes or saccharin, and is suitable for kosher, halal, gluten free, vegetarian, and vegan diets

The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath, Icy Mint Flavour, 500 ml

Why we love it

Provides 12 hours fresh breath.
Formula neutralizes bad breath.
Ideal for sensitive mouths.

Main Highlights

12 Hours of Fresh Breath: The Breath Co Fresh Breath Oral Rinse fights bad breath for 12 hours with our unique pH balanced formula, giving you long-lasting confidence with every use
Powered by Active Oxygen: Our unique formula powered by active oxygen is clinically shown to neutralise bad breath and cleans the whole mouth, even in hard-to-reach places
Dentist Formulated: Created by Dr. Harold Katz to help his daughter overcome her chronic bad breath, our mouthwash is made from his breakthrough research into fighting odour-causing mouth bacteria
PH Balanced: Our unique formula is pH-balanced, unlike other acid-based mouthwashes, and helps to resist daily acidic attacks that can harm your teeth enamel and gums
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour causing bacteria
Clean Label: Our mouthwash is made to the highest standards with no artificial dyes or saccharin, and is suitable for kosher, halal, gluten free, vegetarian, and vegan diets

The Breath Co. Alcohol Free Mouthwash - Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath - Mild Mint Flavour, 500ml

The Breath Co.

13% Off

Why we love it

Fights bad breath for hours.
Created by a renowned dentist.
Alcohol-free for mouth hydration.

Main Highlights

12 Hours of Fresh Breath: The Breath Co Fresh Breath Oral Rinse fights bad breath for 12 hours with our unique pH balanced formula, giving you long-lasting confidence with every use
Powered by Active Oxygen: Our unique formula powered by active oxygen is clinically shown to neutralise bad breath and cleans the whole mouth, even in hard-to-reach places
Dentist Formulated: Created by Dr. Harold Katz to help his daughter overcome her chronic bad breath, our mouthwash is made from his breakthrough research into fighting odour-causing mouth bacteria
PH Balanced: Our unique formula is pH-balanced, unlike other acid-based mouthwashes, and helps to resist daily acidic attacks that can harm your teeth enamel and gums
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour causing bacteria
Clean Label: Our mouthwash is made to the highest standards with no artificial dyes or saccharin, and is suitable for kosher, halal, gluten free, vegetarian, and vegan diets

The Breath Co. Alcohol Free Mouthwash - Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath - Mild Mint Flavour, 500ml

13% Off

Why we love it

Fights bad breath for hours.
Created by a renowned dentist.
Alcohol-free for mouth hydration.

Main Highlights

12 Hours of Fresh Breath: The Breath Co Fresh Breath Oral Rinse fights bad breath for 12 hours with our unique pH balanced formula, giving you long-lasting confidence with every use
Powered by Active Oxygen: Our unique formula powered by active oxygen is clinically shown to neutralise bad breath and cleans the whole mouth, even in hard-to-reach places
Dentist Formulated: Created by Dr. Harold Katz to help his daughter overcome her chronic bad breath, our mouthwash is made from his breakthrough research into fighting odour-causing mouth bacteria
PH Balanced: Our unique formula is pH-balanced, unlike other acid-based mouthwashes, and helps to resist daily acidic attacks that can harm your teeth enamel and gums
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour causing bacteria
Clean Label: Our mouthwash is made to the highest standards with no artificial dyes or saccharin, and is suitable for kosher, halal, gluten free, vegetarian, and vegan diets

Colgate Plax Cool Mint Mouthwash 500ml x 4, Alcohol Free

Colgate Plax Cool Mint Mouthwash 500ml x 4, Alcohol Free

Colgate

27% Off

Why we love it

Provides 24/7 plaque protection.
Enjoy cool, lasting freshness.
No alcohol, burning sensation.

Main Highlights

WHAT YOU'LL GET: Includes four (4) 500ml Colgate Plax Cool Mint Mouthwash bottles featuring a vegan formula without any alcohol**
COLGATE MINT MOUTHWASH: Fight bad breath and feel fresh and protected with 24/7* plaque protection when you use this specially designed Colgate mouthwash
ALCOHOL FREE MOUTHWASH: Colgate Plax is a vegan, fluoride mouthwash that contains 0% alcohol** for complete freshness without the burning sensation
FRESHER BREATH: Enjoy a cool mint flavour with a new cooling sensation powered by FreshFX technology for long-lasting freshness
UK'S TOP BRAND: Colgate is the number one dentist-recommended brand*** for toothpaste when it comes to dental health
*Plaque bacteria, when used twice daily **No ethyl alcohol ***Colgate Brand, Toothpaste, UK, Dentist Surgery 2021

Colgate Plax Cool Mint Mouthwash 500ml x 4, Alcohol Free

27% Off

Why we love it

Provides 24/7 plaque protection.
Enjoy cool, lasting freshness.
No alcohol, burning sensation.

Main Highlights

WHAT YOU'LL GET: Includes four (4) 500ml Colgate Plax Cool Mint Mouthwash bottles featuring a vegan formula without any alcohol**
COLGATE MINT MOUTHWASH: Fight bad breath and feel fresh and protected with 24/7* plaque protection when you use this specially designed Colgate mouthwash
ALCOHOL FREE MOUTHWASH: Colgate Plax is a vegan, fluoride mouthwash that contains 0% alcohol** for complete freshness without the burning sensation
FRESHER BREATH: Enjoy a cool mint flavour with a new cooling sensation powered by FreshFX technology for long-lasting freshness
UK'S TOP BRAND: Colgate is the number one dentist-recommended brand*** for toothpaste when it comes to dental health
*Plaque bacteria, when used twice daily **No ethyl alcohol ***Colgate Brand, Toothpaste, UK, Dentist Surgery 2021

The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath, ICY Mint Flavour, 300 ml

The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath, ICY Mint Flavour, 300 ml

The Breath Co.

33% Off

Why we love it

Long-lasting fresh breath guaranteed.
Clinically proven odor neutralization.
Gentle, alcohol-free formulation.

Main Highlights

12 Hours of Fresh Breath: The Breath Co Fresh Breath Oral Rinse fights bad breath for 12 hours with our unique pH balanced formula, giving you long-lasting confidence with every use
Powered by Active Oxygen: Our unique formula powered by active oxygen is clinically shown to neutralise bad breath and cleans the whole mouth, even in hard-to-reach places
Dentist Formulated: Created by Dr. Harold Katz to help his daughter overcome her chronic bad breath, our mouthwash is made from his breakthrough research into fighting odour-causing mouth bacteria
PH Balanced: Our unique formula is pH-balanced, unlike other acid-based mouthwashes, and helps to resist daily acidic attacks that can harm your teeth enamel and gums
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour causing bacteria

The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath, ICY Mint Flavour, 300 ml

33% Off

Why we love it

Long-lasting fresh breath guaranteed.
Clinically proven odor neutralization.
Gentle, alcohol-free formulation.

Main Highlights

12 Hours of Fresh Breath: The Breath Co Fresh Breath Oral Rinse fights bad breath for 12 hours with our unique pH balanced formula, giving you long-lasting confidence with every use
Powered by Active Oxygen: Our unique formula powered by active oxygen is clinically shown to neutralise bad breath and cleans the whole mouth, even in hard-to-reach places
Dentist Formulated: Created by Dr. Harold Katz to help his daughter overcome her chronic bad breath, our mouthwash is made from his breakthrough research into fighting odour-causing mouth bacteria
PH Balanced: Our unique formula is pH-balanced, unlike other acid-based mouthwashes, and helps to resist daily acidic attacks that can harm your teeth enamel and gums
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour causing bacteria

CB12 Mint Menthol Mouthwash, Enamel Strengthening, Pleasant Breath For 12 Hours, 250 ml

CB12 Mint Menthol Mouthwash, Enamel Strengthening, Pleasant Breath For 12 Hours, 250 ml

CB12

Why we love it

Instantly freshens breath effectively.
Alcohol-free with mild mint.
Strengthens enamel daily.

Main Highlights

CB12 Mint Mouthwash counteracts the root cause of bad breath and prevents its reoccurrence by neutralizing the malodorous sulphur gases in your mouth. The effect of CB12 is instant and provides pleasant breath for 12 hours.
An alcohol-free mouthwash with a pleasant, soft Mint flavour.
CB12 Mint contains 0.05% sodium fluoride, an ingredient proven to strengthen your enamel with daily use.
Use as required, for a 24-hour effect, rinse morning and evening.
CB12 Mouthwash is recommended for daily use from the age of 12.
Always check the product packaging before use.

CB12 Mint Menthol Mouthwash, Enamel Strengthening, Pleasant Breath For 12 Hours, 250 ml

Why we love it

Instantly freshens breath effectively.
Alcohol-free with mild mint.
Strengthens enamel daily.

Main Highlights

CB12 Mint Mouthwash counteracts the root cause of bad breath and prevents its reoccurrence by neutralizing the malodorous sulphur gases in your mouth. The effect of CB12 is instant and provides pleasant breath for 12 hours.
An alcohol-free mouthwash with a pleasant, soft Mint flavour.
CB12 Mint contains 0.05% sodium fluoride, an ingredient proven to strengthen your enamel with daily use.
Use as required, for a 24-hour effect, rinse morning and evening.
CB12 Mouthwash is recommended for daily use from the age of 12.
Always check the product packaging before use.

The Breath Co. Healthy Smile Mouthwash, Dentist Formulated Oral Rinse for 24 Hours of Cavity Protection with Sodium Fluoride, Strengthens Enamel, Alcohol Free, Non-Burning, 500ml

The Breath Co. Healthy Smile Mouthwash, Dentist Formulated Oral Rinse for 24 Hours of Cavity Protection with Sodium Fluoride, Strengthens Enamel, Alcohol Free, Non-Burning, 500ml

The Breath Co.

33% Off

Why we love it

24-hour cavity protection benefits.
Strengthens teeth and combats bacteria.
Ideal for fresh breath daily.

Main Highlights

24 Hours of Cavity Protection: The Breath Co. healthy smile oral rinse fights cavities for 24 hours with our scientifically formulated fluoride mouthwash, helping you maintain healthy teeth and a fresh mouth with every use
Strengthens Enamel: Our dentist-formulated antibacterial mouthwash contains sodium fluoride, designed to strengthen enamel while combating the bacteria that causes bad breath, ensuring long-lasting oral health; flouride helps to prevent tooth decay
PH Balanced: Our unique pH-balanced formula helps resist daily acidic attacks that can harm your teeth enamel and gums, unlike other acid-based mouthwashes; this makes it an ideal mouthwash for bad breath and overall oral health
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour-causing bacteria; use as part of your daily routine for a healthy mouth and freshy minty breath
Clean Label: Made to the highest standards, our mouthwash contains no artificial dyes or saccharin, and our bottles are BPA-free; It is suitable for kosher, halal, gluten-free, vegetarian, and vegan diets

The Breath Co. Healthy Smile Mouthwash, Dentist Formulated Oral Rinse for 24 Hours of Cavity Protection with Sodium Fluoride, Strengthens Enamel, Alcohol Free, Non-Burning, 500ml

33% Off

Why we love it

24-hour cavity protection benefits.
Strengthens teeth and combats bacteria.
Ideal for fresh breath daily.

Main Highlights

24 Hours of Cavity Protection: The Breath Co. healthy smile oral rinse fights cavities for 24 hours with our scientifically formulated fluoride mouthwash, helping you maintain healthy teeth and a fresh mouth with every use
Strengthens Enamel: Our dentist-formulated antibacterial mouthwash contains sodium fluoride, designed to strengthen enamel while combating the bacteria that causes bad breath, ensuring long-lasting oral health; flouride helps to prevent tooth decay
PH Balanced: Our unique pH-balanced formula helps resist daily acidic attacks that can harm your teeth enamel and gums, unlike other acid-based mouthwashes; this makes it an ideal mouthwash for bad breath and overall oral health
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour-causing bacteria; use as part of your daily routine for a healthy mouth and freshy minty breath
Clean Label: Made to the highest standards, our mouthwash contains no artificial dyes or saccharin, and our bottles are BPA-free; It is suitable for kosher, halal, gluten-free, vegetarian, and vegan diets

UltraDEX Daily Oral Rinse, Mint 500 ml

UltraDEX

34% Off

Why we love it

Promotes oral health effectively.
Restores natural teeth whiteness.
Provides long-lasting fresh breath.

Main Highlights

Protects teeth & gums by removing bacteria
Restores natural teeth whiteness by gently lifting everyday stains
Instantly eliminates bad breath for 12 hours
Free from alcohol, chlorhexidine and colouring.
Item display volume: 500.0 milliliters

UltraDEX Daily Oral Rinse, Mint 500 ml

34% Off

Why we love it

Promotes oral health effectively.
Restores natural teeth whiteness.
Provides long-lasting fresh breath.

Main Highlights

Protects teeth & gums by removing bacteria
Restores natural teeth whiteness by gently lifting everyday stains
Instantly eliminates bad breath for 12 hours
Free from alcohol, chlorhexidine and colouring.
Item display volume: 500.0 milliliters

CB12 White Mouthwash, Whiter Teeth After 2 Weeks, Pleasant Breath For 12 Hours, 250 ml

CB12 White Mouthwash, Whiter Teeth After 2 Weeks, Pleasant Breath For 12 Hours, 250 ml

CB12

25% Off

Why we love it

Fresh breath for 12 hours.
Visibly whiter teeth quickly.
Alcohol-free peppermint flavor.

Main Highlights

CB12 Whitening Mouthwash specifically proven formula provides pleasant breath for 12 hours by neutralizing the processes that cause unpleasant breath
CB12 White removes stains and discolouration for whiter teeth after 2 weeks, used twice a day after brushing
An alcohol-free mouthwash with a pleasant, soft peppermint flavour
CB12 White contains 0.05% sodium fluoride, an ingredient proven to strengthen your enamel with daily use
Use as required, for a 24-hour effect, rinse morning and evening
CB12 White is recommended for daily use from the age of 12
Always check the product packaging before use

CB12 White Mouthwash, Whiter Teeth After 2 Weeks, Pleasant Breath For 12 Hours, 250 ml

25% Off

Why we love it

Fresh breath for 12 hours.
Visibly whiter teeth quickly.
Alcohol-free peppermint flavor.

Main Highlights

CB12 Whitening Mouthwash specifically proven formula provides pleasant breath for 12 hours by neutralizing the processes that cause unpleasant breath
CB12 White removes stains and discolouration for whiter teeth after 2 weeks, used twice a day after brushing
An alcohol-free mouthwash with a pleasant, soft peppermint flavour
CB12 White contains 0.05% sodium fluoride, an ingredient proven to strengthen your enamel with daily use
Use as required, for a 24-hour effect, rinse morning and evening
CB12 White is recommended for daily use from the age of 12
Always check the product packaging before use

The Breath Co. Healthy Gums Mouthwash, Dentist Formulated Oral Rinse for 24 Hours of Plaque Control with Anti-Microbial Ingredient, Alcohol Free, Non-Burning, 500ml

The Breath Co. Healthy Gums Mouthwash, Dentist Formulated Oral Rinse for 24 Hours of Plaque Control with Anti-Microbial Ingredient, Alcohol Free, Non-Burning, 500ml

The Breath Co.

33% Off

Why we love it

24-hour plaque control effectiveness.
Anti-microbial for healthier gums.
Alcohol-free, gentle on mouth.

Main Highlights

24 Hours of Plaque Control: The Breath Co. healthy gums oral rinse fights plaque build-up for 24 hours, helping you maintain healthy gums and a fresher, cleaner mouth with every use
Anti-Microbial Ingredient: Our dentist-formulated antibacterial mouthwash contains C.P.C. (Cetylpyridinium Chloride), a professional anti-microbial ingredient that helps control and reduce the growth of bacteria in the mouth
Dentist Formulated: Created by a dentist, the healthy gums mouthwash is designed to support oral health and provide fresh breath confidence all day, making it a great addition to your oral rinse routine
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour-causing bacteria; it's a great choice for those in need of a mouthwash alcohol-free option
Clean Label: Made to the highest standards, our mouthwash contains no artificial dyes or saccharin, and our bottles are BPA-free; It is suitable for kosher, halal, gluten-free, vegetarian, and vegan diets

The Breath Co. Healthy Gums Mouthwash, Dentist Formulated Oral Rinse for 24 Hours of Plaque Control with Anti-Microbial Ingredient, Alcohol Free, Non-Burning, 500ml

33% Off

Why we love it

24-hour plaque control effectiveness.
Anti-microbial for healthier gums.
Alcohol-free, gentle on mouth.

Main Highlights

24 Hours of Plaque Control: The Breath Co. healthy gums oral rinse fights plaque build-up for 24 hours, helping you maintain healthy gums and a fresher, cleaner mouth with every use
Anti-Microbial Ingredient: Our dentist-formulated antibacterial mouthwash contains C.P.C. (Cetylpyridinium Chloride), a professional anti-microbial ingredient that helps control and reduce the growth of bacteria in the mouth
Dentist Formulated: Created by a dentist, the healthy gums mouthwash is designed to support oral health and provide fresh breath confidence all day, making it a great addition to your oral rinse routine
Alcohol Free: Our non-burning mouthwash is free from alcohol that can irritate and dehydrate the mouth, which when dehydrated can increase odour-causing bacteria; it's a great choice for those in need of a mouthwash alcohol-free option
Clean Label: Made to the highest standards, our mouthwash contains no artificial dyes or saccharin, and our bottles are BPA-free; It is suitable for kosher, halal, gluten-free, vegetarian, and vegan diets

We scanned 1679 products

We reviewed these offers relevant to the Mouthwash Bad Breath within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like CB12, The Breath Co., Colgate, UltraDEX, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Mouthwash Bad Breath in the market, we considered we took a deep dive into 8396 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is CB12 Menthol Menthol Mouthwash - Strengthens the Enamel - Pleasant Breathing for 12 Hours - 1 Litre. We love many things about this product by CB12. What sets it apart from the competition is Neutralizes bad breath instantly, Provides 12-hour fresh breath, Strengthens enamel with daily use.
The best value product for most shoppers and where user satisfaction is continuously the highest is The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath, Icy Mint Flavour, 500 ml by The Breath Co. based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Mouthwash Bad Breath and the best cost-to-value ratio is UltraDEX Daily Oral Rinse, Mint 500 mlat UltraDEX with a 34% discount.
Our list of the best Mouthwash Bad Breath is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.