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Mouthwash Whitening Comparison - October 2025
7 Best Mouthwash Whitening In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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Overview: Mouthwash can be a great way to help whiten your teeth, freshen your breath, and reduce plaque buildup. With so many options available, it can be hard to know which one is right for you. Read reviews from our trusted community to find the best mouthwash for whitening your teeth.
Listerine Total Care Stay White Mouthwash (1x 500ml), 10-in-1 Benefit Mouthwash for Total Oral and Gum Care to Maintain a Clean and Healthy Mouth and Naturally White Teeth
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Biomed Superwhite Natural Coconut Mouthwash for Gentle Whitening, Alcohol Free, Coconut & Mint - 500ml (Pack of 1)
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CB12 White Mouthwash, Whiter Teeth After 2 Weeks, Pleasant Breath For 12 Hours, 250 ml
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UltraDEX Daily Oral Rinse Whitening, 500 ml
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Listerine Advanced White Milder Taste (Zero Alcohol) Mouthwash (500ml), Fluoride Mouthwash to Whiten and Protect from New Stains While Remineralising and Strengthening Teeth
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Waken Whitening Mouthwash, clinically Tested whitening Formula for up to 5 Shades Whiter Teeth, Prevents Enamel Stains, Alcohol-Free, Vegan, Recycled Packaging, Natural Peppermint Flavour, 500ml
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Colgate Max White Expert Whitening 500ml Mouthwash - Instantly Whiter Teeth- Alcohol Free - Clinically Tested
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1
Listerine
36% Off
Listerine Total Care Stay White Mouthwash (1x 500ml), 10-in-1 Benefit Mouthwash for Total Oral and Gum Care to Maintain a Clean and Healthy Mouth and Naturally White Teeth
9.8Freshness
9.3worth the money
9.3Taste
Why we love it
Kills 99% of bacteria effectively.
Strengthens teeth with fluoride.
Proven to reduce plaque significantly.
Main highlights
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)
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
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
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
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9.8
2
BIOMED
Biomed Superwhite Natural Coconut Mouthwash for Gentle Whitening, Alcohol Free, Coconut & Mint - 500ml (Pack of 1)
9.3Freshness
9.1worth the money
9.1Taste
Why we love it
Biomeds super white Mouthwash gently whitens teeth.
It freshens breath and protects against plaque.
It reduces tooth hypersensitivity.
Main highlights
Vegan friendly and gluten free
Freshens breath and protects against plaque
Free from Ethyl Alcohol, SLES, PEG, saccharin and fluoride, Biomed Natural Whitening Mouthwash uses papain, a natural enzyme derived from papaya extract to whiten teeth
Coconut oil promotes healthy gums, while plantain and birch leaf extracts help protect against tooth decay and soothe gums
Biomed Natural Whitening Mouthwash for gentle whitening and enamel strengthening
99% of ingredients in this mouthwash are of natural origin, including plant extracts and essential oils.
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9.7
3
CB12
28% Off
CB12 White Mouthwash, Whiter Teeth After 2 Weeks, Pleasant Breath For 12 Hours, 250 ml
9.1Freshness
9.1Taste
8.9worth the money
Why we love it
Fresh breath for 12 hours.
Whitens teeth in two weeks.
Strengthens enamel daily.
Main highlights
Use as required, for a 24-hour effect, rinse morning and evening
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
CB12 White is recommended for daily use from the age of 12
CB12 White contains 0.05% sodium fluoride, an ingredient proven to strengthen your enamel with daily use
An alcohol-free mouthwash with a pleasant, soft peppermint flavour
Always check the product packaging before use
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Value for money
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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.
When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
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9.3 
9.9
1Listerine36% Off
Kills 99% of bacteria effectively.
