Best Mouthwash Whitening of 2026

Last updated on 04/04/2026
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1
Crest G/W Oral Rinse Frsh Mint 946 Ml
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Crest G/W Oral Rinse Frsh Mint 946 Ml

Crest
Why we love it
  • Essential dental care product.
  • Convenient pack of two.
  • Trusted Crest quality assurance.
Main Highlights
  • Product of crest
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9.8
Exceptional
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9.8
Exceptional
Crest

Crest G/W Oral Rinse Frsh Mint 946 Ml

Why we love it
  • Essential dental care product.
  • Convenient pack of two.
  • Trusted Crest quality assurance.
Main Highlights
  • Product of crest
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Value for Money
2
Hismile iD Stain Whitening Mouthwash, Gunk Removing Mouthwash for Fresh Breath, Hydrogen Peroxide Mouthwash to Promote Whiter Teeth, Alcohol-Free Mouthwash with Essential Oils 237ml
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Hismile iD Stain Whitening Mouthwash, Gunk Removing Mouthwash for Fresh Breath, Hydrogen Peroxide Mouthwash to Promote Whiter Teeth, Alcohol-Free Mouthwash with Essential Oils 237ml

HISMILE
Why we love it
  • Maintains white teeth and breath.
  • Targets gunk and debris.
  • Reaches tongue and gumline.
Main Highlights
  • Helps Maintain White Teeth and Freshen Your Breath: The iD Stain Whitening Mouthwash uses an advanced rinse that combines hydrogen peroxide and essential oils to help maintain a white smile and freshen breath - while also be completely alcohol-free.
  • Targets Gunk and Visible Build Up From Your Mouth: The advanced whitening mouthwash consists of a formulation that binds to proteins and debris in your mouth, pulling them into visible particles you can actually see in the sink. Using traditional Japanese gunk removal techniques to clean your mouth.
  • Packed With Four Essential Oil Actives: Combining four essential oils including thymol, eucalyptol, menthol, and methyl salicylate, the iD Stain Whitening Mouthwash will leave your mouth feeling cleaner, fresher and ready to smile.
  • Freshen Breath and Rinse Away Gunk: Brushing and flossing can be known to only reach 25% of the surfaces in your mouth, iD Stain Whitening Mouthwash picks up where your toothbrush leaves off targeting the soft tissue areas like your tongue, cheeks, and gumline for a cleaner feeling mouth.
  • Complete Your Routine: The iD Stain Whitening Mouthwash is the perfect addition to round out your routine. With an advanced formulation that targets gunk in your mouth, freshens breath and leaves your teeth whiter, this is the perfect add-on to your daily routine.
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9.7
Exceptional
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9.7
Exceptional
HISMILE

Hismile iD Stain Whitening Mouthwash, Gunk Removing Mouthwash for Fresh Breath, Hydrogen Peroxide Mouthwash to Promote Whiter Teeth, Alcohol-Free Mouthwash with Essential Oils 237ml

Why we love it
  • Maintains white teeth and breath.
  • Targets gunk and debris.
  • Reaches tongue and gumline.
Main Highlights
  • Helps Maintain White Teeth and Freshen Your Breath: The iD Stain Whitening Mouthwash uses an advanced rinse that combines hydrogen peroxide and essential oils to help maintain a white smile and freshen breath - while also be completely alcohol-free.
  • Targets Gunk and Visible Build Up From Your Mouth: The advanced whitening mouthwash consists of a formulation that binds to proteins and debris in your mouth, pulling them into visible particles you can actually see in the sink. Using traditional Japanese gunk removal techniques to clean your mouth.
  • Packed With Four Essential Oil Actives: Combining four essential oils including thymol, eucalyptol, menthol, and methyl salicylate, the iD Stain Whitening Mouthwash will leave your mouth feeling cleaner, fresher and ready to smile.
  • Freshen Breath and Rinse Away Gunk: Brushing and flossing can be known to only reach 25% of the surfaces in your mouth, iD Stain Whitening Mouthwash picks up where your toothbrush leaves off targeting the soft tissue areas like your tongue, cheeks, and gumline for a cleaner feeling mouth.
  • Complete Your Routine: The iD Stain Whitening Mouthwash is the perfect addition to round out your routine. With an advanced formulation that targets gunk in your mouth, freshens breath and leaves your teeth whiter, this is the perfect add-on to your daily routine.
Show More
3
Gutology Microbiome-Friendly Mouthwash Hydroxyapatite & Prebiotics - 3 Month Supply - Liquid Biome+ Oral Rinse | Alcohol-Free & Fluoride-Free
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Gutology Microbiome-Friendly Mouthwash Hydroxyapatite & Prebiotics - 3 Month Supply - Liquid Biome+ Oral Rinse | Alcohol-Free & Fluoride-Free

Gutology
Why we love it
  • Microbiome-friendly formulation supports health.
  • Fluoride-free for a gentle experience.
  • Lasts up to three months.
Main Highlights
  • MIRCOBIOME-FRIENDLY - Liquid Biome+ is microbiome-friendly, using prebiotics to support microbiome balance without the harsh chemicals found in traditional mouthwash.
  • FLUORIDE-FREE BY DESIGN - We chose a different approach - Formulating with hydroxyapatite, a gentle mineral that works in harmony with your mouth’s natural biology.
  • REINFORCING NOT STRIPPING - Powered by hydroxyapatite a science-backed mineral that helps protect enamel and support the mouth’s natural mineral balance.
  • 3 MONTH SUPPLY - Our concentrated formula needs to be diluted with water with each use - this means one bottle will last you up to 3 months!
  • FRESH BREATH - Unlike harsh mouthwash that just mask it, Liquid Biome+ supports a balanced oral microbiome a key factor in long-lasting freshness.
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9.7
Exceptional
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9.7
Exceptional
Gutology

Gutology Microbiome-Friendly Mouthwash Hydroxyapatite & Prebiotics - 3 Month Supply - Liquid Biome+ Oral Rinse | Alcohol-Free & Fluoride-Free

Why we love it
  • Microbiome-friendly formulation supports health.
  • Fluoride-free for a gentle experience.
  • Lasts up to three months.
Main Highlights
  • MIRCOBIOME-FRIENDLY - Liquid Biome+ is microbiome-friendly, using prebiotics to support microbiome balance without the harsh chemicals found in traditional mouthwash.
  • FLUORIDE-FREE BY DESIGN - We chose a different approach - Formulating with hydroxyapatite, a gentle mineral that works in harmony with your mouth’s natural biology.
  • REINFORCING NOT STRIPPING - Powered by hydroxyapatite a science-backed mineral that helps protect enamel and support the mouth’s natural mineral balance.
  • 3 MONTH SUPPLY - Our concentrated formula needs to be diluted with water with each use - this means one bottle will last you up to 3 months!
  • FRESH BREATH - Unlike harsh mouthwash that just mask it, Liquid Biome+ supports a balanced oral microbiome a key factor in long-lasting freshness.
Show More
4
Oral-B Pro-3D White Clinical Intensive Whitening Toothpaste Radiant White 75ml
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Oral-B Pro-3D White Clinical Intensive Whitening Toothpaste Radiant White 75ml

Oral-B
50% Off
Why we love it
  • Whiter teeth in one day.
  • Protects against new stains.
  • Suitable for sensitive teeth.
Main Highlights
  • Whiter teeth in 1 day by removal of surface stains
  • Lifts surface stains and shields teeth to protect from new stains
  • Toothpaste suitable for sensitive teeth
  • Clinically proven, professionally designed
  • Evergreen mint flavor toothpaste
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9.5
Superb
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9.5
Superb
Oral-B

Oral-B Pro-3D White Clinical Intensive Whitening Toothpaste Radiant White 75ml

50% Off
Why we love it
  • Whiter teeth in one day.
  • Protects against new stains.
  • Suitable for sensitive teeth.
Main Highlights
  • Whiter teeth in 1 day by removal of surface stains
  • Lifts surface stains and shields teeth to protect from new stains
  • Toothpaste suitable for sensitive teeth
  • Clinically proven, professionally designed
  • Evergreen mint flavor toothpaste
Show More
5
Listerine Advanced White Milder Taste (Zero Alcohol) Mouthwash (1000ml), Fluoride Mouthwash to Whiten and Protect from New Stains While Remineralising and Strengthening Teeth
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Listerine Advanced White Milder Taste (Zero Alcohol) Mouthwash (1000ml), Fluoride Mouthwash to Whiten and Protect from New Stains While Remineralising and Strengthening Teeth

Listerine
38% Off
Why we love it
  • Whiter teeth in one week.
  • Alcohol-free and gentle formula.
  • Strengthens teeth with fluoride.
Main Highlights
  • Listerine is the 1# mouthwash brand in the UK & Ireland*. This alcohol-free mouthwash is clinically proven to help give you whiter teeth in just 1 week** and kills up to 99% of germs that cause plaque when used twice daily***
  • This milder taste mouthwash whitens and protects the teeth with a protective shield that helps prevent new stains. Its non-abrasive whitening technology does not harm enamel
  • Listerine Advanced White Milder Taste Mouthwash formula contains fluoride which helps to remineralise and strengthen the teeth
  • How to use: Pour 10ml (2 x 5ml teaspoonfuls) of Listerine mouthwash into a glass, rinse around teeth and gums for 60 seconds, then spit out. Especially effective when used morning and night after brushing
  • Product details: Listerine Advanced White Milder Taste (Zero Alcohol) Mouthwash (1000ml), helps to kill plaque-causing germs, whiten and protect from new stains, and strengthen teeth with fluoride
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9.5
Superb
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9.5
Superb
Listerine

Listerine Advanced White Milder Taste (Zero Alcohol) Mouthwash (1000ml), Fluoride Mouthwash to Whiten and Protect from New Stains While Remineralising and Strengthening Teeth

38% Off
Why we love it
  • Whiter teeth in one week.
  • Alcohol-free and gentle formula.
  • Strengthens teeth with fluoride.
Main Highlights
  • Listerine is the 1# mouthwash brand in the UK & Ireland*. This alcohol-free mouthwash is clinically proven to help give you whiter teeth in just 1 week** and kills up to 99% of germs that cause plaque when used twice daily***
  • This milder taste mouthwash whitens and protects the teeth with a protective shield that helps prevent new stains. Its non-abrasive whitening technology does not harm enamel
  • Listerine Advanced White Milder Taste Mouthwash formula contains fluoride which helps to remineralise and strengthen the teeth
  • How to use: Pour 10ml (2 x 5ml teaspoonfuls) of Listerine mouthwash into a glass, rinse around teeth and gums for 60 seconds, then spit out. Especially effective when used morning and night after brushing
  • Product details: Listerine Advanced White Milder Taste (Zero Alcohol) Mouthwash (1000ml), helps to kill plaque-causing germs, whiten and protect from new stains, and strengthen teeth with fluoride
Show More
6
UltraDEX Daily Oral Rinse Whitening, 500 ml
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UltraDEX Daily Oral Rinse Whitening, 500 ml

UltraDEX
11% Off
Why we love it
  • Eliminates bad breath instantly.
  • Clinically proven effective treatment.
  • Dentist recommended for decades.
Main Highlights
  • Instantly eliminates bad breath (Halitosis) for 12 hours of fresh breath
  • Clinically proven to treat the root cause, remove bacteria & neutralise VSCs
  • Whitens and protects teeth, enamel & gums from plaque build-up
  • Free from alcohol, sugar, sulphates, SLS and chlorhexidine
  • Dentist developed and recommended for 30+ years
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9.4
Superb
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9.4
Superb
UltraDEX

UltraDEX Daily Oral Rinse Whitening, 500 ml

11% Off
Why we love it
  • Eliminates bad breath instantly.
  • Clinically proven effective treatment.
  • Dentist recommended for decades.
Main Highlights
  • Instantly eliminates bad breath (Halitosis) for 12 hours of fresh breath
  • Clinically proven to treat the root cause, remove bacteria & neutralise VSCs
  • Whitens and protects teeth, enamel & gums from plaque build-up
  • Free from alcohol, sugar, sulphates, SLS and chlorhexidine
  • Dentist developed and recommended for 30+ years
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7
Listerine Total Care Stay White Mouthwash 500ml (Pack of 2)
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Listerine Total Care Stay White Mouthwash 500ml (Pack of 2)

Listerine
Why we love it
  • Total oral care in one.
  • Kills plaque and germs effectively.
  • Maintains white teeth with ease.
Main Highlights
  • The information below applies to each unit in the pack
  • Listerine is the 1# mouthwash brand in the UK & Ireland*. This product is designed to kill up to 99% of bacteria that cause plaque and bad breath left after brushing for 12-hour germ protection and up to 24-hour fresh breath protection when used twice daily
  • This fluoride mouthwash is designed to remineralise enamel, strengthen teeth, and offer gum protection, while zinc chloride acts to help prevent tartar — teeth are protected from cavities and decay
  • The mint mouthwash is proven to be 5x more effective than floss at reducing plaque** and helps maintain naturally white teeth (**Germ kill provides sustained plaque reduction above the gumline after a dental cleaning. Use alongside brushing and flossing)
  • How to use: Pour 20ml (4 x 5ml teaspoonfuls) of Listerine mouthwash into a glass, rinse around teeth and gums for 30 seconds, then spit out. Especially effective when used morning and evening after brushing
  • Product details: Listerine Total Care Stay White Mouthwash (500ml), helps to reduce plaque, freshen breath, help prevent tartar build-up, and maintain naturally white teeth, while helping strengthen teeth with fluoride
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9.2
Superb
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9.2
Superb
Listerine

Listerine Total Care Stay White Mouthwash 500ml (Pack of 2)

Why we love it
  • Total oral care in one.
  • Kills plaque and germs effectively.
  • Maintains white teeth with ease.
Main Highlights
  • The information below applies to each unit in the pack
  • Listerine is the 1# mouthwash brand in the UK & Ireland*. This product is designed to kill up to 99% of bacteria that cause plaque and bad breath left after brushing for 12-hour germ protection and up to 24-hour fresh breath protection when used twice daily
  • This fluoride mouthwash is designed to remineralise enamel, strengthen teeth, and offer gum protection, while zinc chloride acts to help prevent tartar — teeth are protected from cavities and decay
  • The mint mouthwash is proven to be 5x more effective than floss at reducing plaque** and helps maintain naturally white teeth (**Germ kill provides sustained plaque reduction above the gumline after a dental cleaning. Use alongside brushing and flossing)
  • How to use: Pour 20ml (4 x 5ml teaspoonfuls) of Listerine mouthwash into a glass, rinse around teeth and gums for 30 seconds, then spit out. Especially effective when used morning and evening after brushing
  • Product details: Listerine Total Care Stay White Mouthwash (500ml), helps to reduce plaque, freshen breath, help prevent tartar build-up, and maintain naturally white teeth, while helping strengthen teeth with fluoride
Show More
8
Waken Whitening Mouthwash, clinically Tested whitening Formula for a Brighter Smile, Prevents Enamel Stains, Alcohol-Free, Vegan, Recycled Packaging, Natural Peppermint Flavour, 500ml
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Waken Whitening Mouthwash, clinically Tested whitening Formula for a Brighter Smile, Prevents Enamel Stains, Alcohol-Free, Vegan, Recycled Packaging, Natural Peppermint Flavour, 500ml

Waken
Why we love it
  • Freshens breath with peppermint.
  • Protects enamel against stains.
  • Made from recycled materials.
Main Highlights
  • FOR A BRIGHTER SMILE: This Whitening Mouthwash with natural plant enzymes (papain and bromelain) lifts surface stains and helps prevent enamel stains from tea, coffee, wine and more.
  • PROTECTION: This alcohol-free mouthwash helps prevent cavities, helps reduce plaque and prevent tartar. It helps strengthen enamel, freshens breath and supports healthy gums. It contains 250ppm fluoride for daily oral care.
  • PLANT ENZYMES: Powered by natural plant enzymes papain and bromelain, this whitening mouthwash gently lifts everyday surface stains. A perfect balance of science and nature for a brighter smile and naturally whiter teeth.
  • HYDROGEN PEROXIDE-FREE: Unlike many tooth whitening products, these formulas are peroxide-free and alcohol-free and.
  • ONLY WHAT’S NECESSARY, CERTIFIED VEGAN: Like all Waken mouthwashes, this vegan formula is approved by the Vegetarian Society. It will never contain artificial colours or dyes.
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9.1
Superb
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9.1
Superb
Waken

Waken Whitening Mouthwash, clinically Tested whitening Formula for a Brighter Smile, Prevents Enamel Stains, Alcohol-Free, Vegan, Recycled Packaging, Natural Peppermint Flavour, 500ml

Why we love it
  • Freshens breath with peppermint.
  • Protects enamel against stains.
  • Made from recycled materials.
Main Highlights
  • FOR A BRIGHTER SMILE: This Whitening Mouthwash with natural plant enzymes (papain and bromelain) lifts surface stains and helps prevent enamel stains from tea, coffee, wine and more.
  • PROTECTION: This alcohol-free mouthwash helps prevent cavities, helps reduce plaque and prevent tartar. It helps strengthen enamel, freshens breath and supports healthy gums. It contains 250ppm fluoride for daily oral care.
  • PLANT ENZYMES: Powered by natural plant enzymes papain and bromelain, this whitening mouthwash gently lifts everyday surface stains. A perfect balance of science and nature for a brighter smile and naturally whiter teeth.
  • HYDROGEN PEROXIDE-FREE: Unlike many tooth whitening products, these formulas are peroxide-free and alcohol-free and.
  • ONLY WHAT’S NECESSARY, CERTIFIED VEGAN: Like all Waken mouthwashes, this vegan formula is approved by the Vegetarian Society. It will never contain artificial colours or dyes.
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9
Colgate Mouthwash 500ml Plax Whitening

Colgate Mouthwash 500ml Plax Whitening

Colgate
27% Off
Main Highlights
  • Colgate Mouthwash 500ml Plax Whitening
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9.1
Superb
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9.1
Superb
Colgate

Colgate Mouthwash 500ml Plax Whitening

27% Off
Main Highlights
  • Colgate Mouthwash 500ml Plax Whitening
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10
Colgate Plax Cool Mint Mouthwash 500ml x 4, Alcohol Free
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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
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9.0
Superb
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9.0
Superb
Colgate

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
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We scanned 366 products

We reviewed these offers relevant to the Mouthwash Whitening 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 Crest, HISMILE, Gutology, Oral-B, Listerine, UltraDEX, Waken, Colgate, 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 Whitening in the market, we considered we took a deep dive into 1831 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: