Best Mouthwashes Deals Online in the UK (25 Deals Found)

Last Updated - 14/12/2025 Sort By:

Best Choice
Listerine

New
Listerine Total Care Antibacterial Mouthwash (1000ml), Caring and Cleansing Mouthwash with 10-in-1 Benefits, Clean Mint-
Listerine is the 1# mouthwash brand in the UK & Ireland*. This product is designed to kill up to 99% of bacteria that ca

£4.91 £6.99
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Best Value
Corsodyl

New
Corsodyl Prevents gum disease & Bleeding Gum Treatment, Medicated Antibacterial Mouthwash, Original Alcohol Free, 300 ml
Corsodyl Original Alcohol Free Mouthwash is a medicine containing chlorhexidine digluconate to treat the early signs of

£4.64
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New
Clinisept+ Dental Oral Cleanser High Purity Hypochlorous Cleaner Mouthwash 400ml
Clinisept+ Dental Oral Cleanser – High Purity Hypochlorous Cleaner and Mouthwash, Sting Free, Alcohol Free Mouthwash for

£11.86
Listerine

New
Listerine Total Care Milder Taste (Zero Alcohol) Antibacterial Mouthwash (500ml), Caring and Cleansing Mouthwash to Fres
Listerine is the 1# mouthwash brand in the UK & Ireland*. This alochol free product is designed to kill up to 99% of bac

£2.60
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New
Biotene Dry Mouth Mouthwash, 500ml | Free & Fast Delivery UK
Biotene Dry Mouth Mouthwash, 500ml | Free & Fast Delivery UK.

£9.99
Corsodyl

New
Corsodyl Mouthwash Daily Gum Care, Fluoride Mouthwash, Alcohol Free, Cool Mint, 500ml
Corsodyl Cool Mint Daily Alcohol-Free Mouthwash is a daily gum care mouthwash

£3.30 £4.87
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Corsodyl

New
Prevents Gum Disease & Bleeding Gum Treatment, Antibacterial Mouthwash, Original Alcohol Free, 300 ml (Pack of 2)
The information below applies to each unit in the pack

£9.28
New
Biotène Dry Mouth Mouthwash, Moisturising for Dry Mouth Relief, 500ml UK No 1
Freshens breath. Specially formulated for people with dry mouth. Item form Liquid. Unit count 500.0 millilitre.

£12.99
Colgate

New
COLGATE Plax Cool Mint Mouthwash 4x500ml Fresh Breath mouthwash Instant Long-Lasting Freshness no Burn Experience 24/7 P
WHAT YOU'LL GET: Includes four (4) 500ml Colgate Plax Cool Mint Mouthwash bottles featuring a vegan formula without any

£9.00 £11.00
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New
Weleda Myrrh Mouthwash 50ml Natural Oral Care
Support your daily oral care routine withWeleda Myrrh Mouthwash (50ml). Ideal for those seeking a gentle, natural altern

£14.99
Eludril

New
Eludril Classic Oral Rinse 500 ml

£18.98
Corsodyl

New
Corsodyl Mouthwash Gum Disease Treatment for Adults, Chlorhexidine Mouthwash for Gingivitis Treatment, Alcohol Free, Min
Corsodyl mint mouthwash is a medicine containing chlorhexidine digluconate for the treatment of early signs of gum disea

£4.49 £7.50
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New
Biotene Dry Mouth Mouthwash, 500ml | Free & Fast Delivery UK
1 x Biotène Dry Mouth Mouthwash, 500ml. Do not swallow or drink directly from the bottle. Unlike regular mouthwashes, Bi

£9.97
Listerine

New
Listerine Total Care Stay White Mouthwash (1x 500ml), 10-in-1 Benefit Mouthwash for Total Oral and Gum Care to Maintain
Listerine is the 1# mouthwash brand in the UK & Ireland*. This product is designed to kill up to 99% of bacteria that ca

£2.60 £3.99
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New
Dentyl Mouthwash Dual Action Icy Cherry Alcohol Free 500ml
Dentyl Mouthwash Dual Action Icy Cherry Alcohol Free 500ml. Brand new Free delivery Thanks for watching

£4.79
The Breath Co.

New
The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath, Icy Mint Flavour, 500
12 Hours of Fresh Breath: The Breath Co Fresh Breath Oral Rinse fights bad breath for 12 hours with our unique pH balanc

£4.74 £9.99
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New
Biomed Superwhite Natural Coconut Mouthwash for Gentle Whitening Alcohol Free
99% of ingredients in this mouthwash are of natural origin, including plant extracts and essential oils. Coconut oil pro

£5.24
New
Biotene Dry Mouth Moisturising Mouthwash, 500 ml
For people with a dry mouth.

£9.99
New
TePe Hydrating Mouth Gel for Dry Mouth, mild Peppermint, Mouth Gel to Ease The
TePe Hydrating Mouth Gel for Dry mouth is a gel that offers immediate comfort for people with dry mouth and sensitive or

£6.00
New
The Breath Co. Icy Mint Mouthwash, 500ml - Dentist Formulated, Alcohol Free, Fr
The Breath Co Fresh Breath Oral Rinse, 500 ml - Icy Mint.

£8.14
New
Tonsil Stone Remover Kit | Remove & Prevent Tonsil Stones | Sore Throat Relief
TONSIL STONE REMOVER KIT Tonsil related problems, such as chronic tonsillitis (inflammation of the tonsils) and tonsillo

£11.98
New
Ganbaro Receding Gum Treatment, Antiseptic Mouthwash, Gum Disease Treatment for
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£12.58
New
The Breath Co. Icy Mint Mouthwash, 500ml - Dentist Formulated, Alcohol Free, Fr
The Breath Co Fresh Breath Oral Rinse, 500 ml - Icy Mint.

£7.28
New
Biotene Dry Mouth Moisturising Mouthwash, 500 ml
Biotene can help relieve dry mouth symptoms. Keep out of reach of children. Do not swallow. Not for use by children 12 y

£10.99
New
Biotène Dry Mouth Mouthwash, Moisturising & Alcohol Free Oral Wash for Dry 500ml
Specially formulated for people with dry mouth. Unit count 500.0 millilitre. Item form Liquid. Flavour Fresh Mint.

£11.79

25 Mouthwashes deals are available from: Amazon, eBay stores, starting from £2.60.
The biggest discount we found is 10%% on Listerine Total Care Antibacterial Mouthwash (1000ml), Caring and Cleansing Mouthwash with 10-in-1 Benefits, Clean Mint-Flavoured to Freshen Breath at Amazon.
The lowest price we found is £2.60 while the highest is £18.98.
Prices for the best Mouthwashes deals average at £8.52.
Last updated on December 14, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Mouthwashes.