Compared daily across 4 UK supermarkets

Listerine Advanced Defence Gum Treatment Mouthwash 500ml500ml · £0.84/100ml

All 4 stores

• ASDA£4.19-Visit →
• Tesco£4.20+£0.01Visit →
• Morrisons£6.30+£2.11Visit →
• Sainsbury's£6.30+£2.11Visit →

Across the last 60 days the cheapest price for this product fell to £4.00 on 27 Apr 2026, and the highest reached £6.50. Today's lowest price sits near the bottom of that range.

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