BEST DEALS THIS WEEK

10 Best Mouthwash For Mouth Ulcers Uk - May 2026

19M consumers helped this year.

Last Updated: 27-05-2026

1

- 10%

Aloclair Plus Bioadhesive Mouth Ulcer Spray 15 ml, Helps relieve pain from Mouth Ulcers and Oral Lesions, Up to 10-Hour Protection, No-Touch Application, For Adults and Children 4 Years+

Aloclair Plus Bioadhesive Mouth Ulcer Spray 15 ml, Helps relieve pain from Mouth Ulcers and Oral Lesions, Up to 10-Hour Protection, No-Touch Application, For Adults and Children 4 Years+

Aloclair

9.8

9.8

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2

- 10%

Colgate Peroxyl Antiseptic Mint Flavour 300ml Mouthwash, Relieves Minor Mouth and Gum Irritations, (Pack of 1)

Colgate Peroxyl Antiseptic Mint Flavour 300ml Mouthwash, Relieves Minor Mouth and Gum Irritations, (Pack of 1)

Colgate

9.6

9.6

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3

Aloclair Plus Bioadhesive Mouth Ulcer Treatment Mouthwash 120ml. Long lasting protection, up to10-Hour Protection, Soothes Mouth Ulcers & Oral Lesions, for Adults & Children 4 Years +

Aloclair Plus Bioadhesive Mouth Ulcer Treatment Mouthwash 120ml. Long lasting protection, up to10-Hour Protection, Soothes Mouth Ulcers & Oral Lesions, for Adults & Children 4 Years +

Aloclair

9.5

9.5

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4

Aloclair Plus Bioadhesive Gel 8ml - Helps relieve pain from Mouth Ulcers and Small Oral Lesions. Up to 12+ Hours Protection, No-Touch Application, Suitable for Adults & Children 4 years+

Aloclair Plus Bioadhesive Gel 8ml - Helps relieve pain from Mouth Ulcers and Small Oral Lesions. Up to 12+ Hours Protection, No-Touch Application, Suitable for Adults & Children 4 years+

Aloclair

9.2

9.2

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5

- 30%

Corsodyl Prevents gum disease & Bleeding Gum Treatment, Medicated Antibacterial Mouthwash, Original Alcohol Free, 300 ml

Corsodyl Prevents gum disease & Bleeding Gum Treatment, Medicated Antibacterial Mouthwash, Original Alcohol Free, 300 ml

Corsodyl

9.1

9.1

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6

- 6%

Orajel Mouth Gel for Fast Mouth Ulcer Treatment & Oral Gel Relief, Targeted Tooth Pain Relief, Easy-Apply Mouth Numbing Gel, 5.3g

Orajel Mouth Gel for Fast Mouth Ulcer Treatment & Oral Gel Relief, Targeted Tooth Pain Relief, Easy-Apply Mouth Numbing Gel, 5.3g

Orajel

8.8

8.8

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7

Oralieve Alcohol-Free Mouthrinse (1 x 500ml), Mouthwash with Fluoride for Dry or Sensitive Mouths. Mild Mouth Wash - Genuine Oralieve Dry Mouth Mouthwash

Oralieve Alcohol-Free Mouthrinse (1 x 500ml), Mouthwash with Fluoride for Dry or Sensitive Mouths. Mild Mouth Wash - Genuine Oralieve Dry Mouth Mouthwash

oralieve

8.6

8.6

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8

- 10%

Oraldene Mouthwash | Use at First Sign of Sore Throat | Medicated Mouthwash - Sore Throat Treatment for Adults | 200ml

Oraldene Mouthwash | Use at First Sign of Sore Throat | Medicated Mouthwash - Sore Throat Treatment for Adults | 200ml

Oraldene

8.4

8.4

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9

Gengigel Mouthwash 150ml – Hyaluronic Acid Mouth Ulcer Treatment for Adults, Gum Repair & Gum Disease Support, Oral Rinse for Dry Mouth, Gingivitis & Gum Irritation

Gengigel Mouthwash 150ml – Hyaluronic Acid Mouth Ulcer Treatment for Adults, Gum Repair & Gum Disease Support, Oral Rinse for Dry Mouth, Gingivitis & Gum Irritation

Gengigel

8.2

8.2

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10

Iglu Ultra Clear Mouth Ulcer Gel Pain Relief for Mouth Ulcers Promotes Healing, 8 ml

Iglu Ultra Clear Mouth Ulcer Gel Pain Relief for Mouth Ulcers Promotes Healing, 8 ml

Iglu

8.1

8.1

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