Mouthwash
As of 15 Jul 2026, Mouthwash is cheapest at Morrisons at £0.67 in United Kingdom — about 46% below the 3-retailer average of £1.25.
Prices updated 15 Jul 2026
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45 products available
Aldi UKAsdaMorrisonsSainsbury's
Prices shown are indicative and may vary by store location. Confirm pricing at checkout.
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Frequently asked questions
- Where is Mouthwash cheapest?
- Morrisons has the lowest price at £0.67.
- How much does Mouthwash cost?
- Prices range from £0.67 to £2.00 across 3 UK supermarkets. The average price is £1.25.
- What is the unit price of Mouthwash?
- Priced per 1 ltr. Sainsbury's offers the best value at £1.78/1 ltr.
- Which supermarkets sell Mouthwash?
- Mouthwash is available at Morrisons, Aldi UK, Sainsbury's, and Asda.