---
title: "Mouth Ulcer Treatment — £879K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/mouth-ulcer-treatment"
last_updated: "2026-07-31T19:54:42.752Z"
locale: en
meta:
  description: "Niche score 48/100 · £879K/yr market · 704K searches/yr · £6.21 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · £879K/yr market · 704K searches/yr · £6.21 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Mouth Ulcer Treatment — £879K/yr Amazon UK Niche (2026) - Flapen"
---

# **mouth ulcer treatment**

**Skip it**

Prices mostly outside the sweet spot ($3.22–$11.47) — this niche doesn't clear our bar today.

Market size 76Growth 20Conversion 100Competition 19Returns 100Price range 0Avg price 17Brand share 22Review moat 40Quality gap 62

**Conversion**

**Incredible****20.1%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Market size**

**Great****£879K**

£879K/yr · 704K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,493.75**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Bad****91%**

top-5 brand share — brand-locked demand

**Growth**

**Bad****-10.4%**

90-day search growth — must beat 0% to launch

**Competition**

**Bad****77%**

top-5 click share — a locked-up shelf

**Avg price**

**Bad****£6.21**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****£3.22–£11.47**

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, mouth ulcer treatment is a £879K/yr Amazon United Kingdom market (704K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 48/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **mouth ulcer treatment market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**125K–150K**</dd><dd>avg 10,000–12,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£776K–£932K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**20.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#57**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**88%**</dd>

<dt>**Sponsored**</dt><dd>**81%**</dd>

<dt>**Out of stock**</dt><dd>**2.2%**</dd>

<dt>**Avg brand age**</dt><dd>**70 months**</dd>

<dt>**Avg seller age**</dt><dd>**169 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**10 **▲rising

**Sellers**

**104**

**Top-5 brand share**

**91%**

Top 20: 100%

**Top-5 click share**

**77%**

Top 20: 100%

**Open market**

**6%**

- Bonjela51% - Iglu18% - Orajel13% - Aloclair5% - Gengigel4% - UlcerEze2% - Open — no brand owns it (4 brands, 6%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -10.4% search growth over the last 90 days.

20K15KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/mouth-ulcer-treatment/trend)

## **Top mouth ulcer treatment search terms**

- **bonjela mouth ulcer gel**174K/yr-14.5%23.0% conv. - **mouth ulcer treatment**127K/yr-12.5%13.4% conv. - **bonjela**113K/yr-9.0%18.4% conv. - **bonjela adult**61K/yr-26.9%23.0% conv. - **mouth ulcer treatment for adults**40K/yr-0.6%14.8% conv. - **bonjela adult extra strength**26K/yr+33.8%24.4% conv. - **iglu mouth ulcer treatment**35K/yr-8.6%30.6% conv. - **mouth ulcer**21K/yr-7.5%10.8% conv. - **igloo mouth ulcer**13K/yr+2.3%30.6% conv. - **iglu**13K/yr-2.5%15.2% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/mouth-ulcer-treatment/search-terms)

## **Top mouth ulcer treatment products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%£88K20%£176K30%£264K40%£352K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Bonjela 15g Oral Gel - Fast Acting Pain Relief For Mouth Ulcers Cold Sores Swelling Infection Suitable With Dentures Adult Treatment Quick Medication Solution](https://m.media-amazon.com/images/I/31Wxad4zYTL.jpg)**Bonjela 15g Oral Gel - Fast Acting Pain Relief For Mouth Ulcers Cold Sores Swelling Infection Suitable With Dentures Adult Treatment Quick Medication Solution**Bonjela**£4.33**4.7★7,410 rev](https://www.amazon.co.uk/dp/B000KU5334) [2![Bonjela Adult Gel 15g - Mint Oral Pain Relief For Mouth Ulcers Cold Sores Dentures - Fast 3-Minute Action Fights Infections Medication For Quick Comfort](https://m.media-amazon.com/images/I/41scE58HJoL.jpg)**Bonjela Adult Gel 15g - Mint Oral Pain Relief For Mouth Ulcers Cold Sores Dentures - Fast 3-Minute Action Fights Infections Medication For Quick Comfort**Bonjela**£4.60**4.7★2,412 rev](https://www.amazon.co.uk/dp/B001E1AC2A) [3![Iglu Shield Non-Medicated Mouth Ulcer Treatment. Effective Barrier to Protect ulcers Relieving Pain and Soreness 10g](https://m.media-amazon.com/images/I/41tvjUfDdZL.jpg)**Iglu Shield Non-Medicated Mouth Ulcer Treatment. Effective Barrier to Protect ulcers Relieving Pain and Soreness 10g**Iglu**£5.68**4.6★537 rev](https://www.amazon.co.uk/dp/B0DPJ17XFS) [4![Orajel Mouth Gel for Fast Mouth Ulcer Treatment & Oral Gel Relief Targeted Tooth Pain Relief Easy-Apply Mouth Numbing Gel 5.3g](https://m.media-amazon.com/images/I/31q0oq9MmJL.jpg)**Orajel Mouth Gel for Fast Mouth Ulcer Treatment & Oral Gel Relief Targeted Tooth Pain Relief Easy-Apply Mouth Numbing Gel 5.3g**Orajel**£3.41**4.6★5,595 rev](https://www.amazon.co.uk/dp/B001RYUE54) [5![Aloclair Plus Mouth Ulcer Spray 15 ml](https://m.media-amazon.com/images/I/41e268DaWGL.jpg)**Aloclair Plus Mouth Ulcer Spray 15 ml**Aloclair**£5.07**4.2★3,774 rev](https://www.amazon.co.uk/dp/B00AZVW1WE)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Curatick Mouth Ulcer Patches for Adults & Kids Canker Sore Patch Mouth Ulcer Treatment Oral Protective Patch for Gum Sores & Braces Irritation Fast Pain Relief Mint 5pcs](https://m.media-amazon.com/images/I/41v1cH0KzSL.jpg)**Curatick Mouth Ulcer Patches for Adults & Kids Canker Sore Patch Mouth Ulcer Treatment Oral Protective Patch for Gum Sores & Braces Irritation Fast Pain Relief Mint 5pcs**Curatick**£5.43**93 rev5mo ago](https://www.amazon.co.uk/dp/B0GM87NKP3) [![Iglu Ultra Clear Mouth Ulcer Gel Pain Relief for Mouth Ulcers Promotes Healing 8 ml](https://m.media-amazon.com/images/I/31wHC8xHdvL.jpg)**Iglu Ultra Clear Mouth Ulcer Gel Pain Relief for Mouth Ulcers Promotes Healing 8 ml**Iglu**£7.27**75 rev10mo ago](https://www.amazon.co.uk/dp/B0FRG6T8X8) [![Iglu Shield Non-Medicated Mouth Ulcer Treatment. Effective Barrier to Protect ulcers Relieving Pain and Soreness 10g](https://m.media-amazon.com/images/I/41tvjUfDdZL.jpg)**Iglu Shield Non-Medicated Mouth Ulcer Treatment. Effective Barrier to Protect ulcers Relieving Pain and Soreness 10g**Iglu**£5.68**537 rev1y ago](https://www.amazon.co.uk/dp/B0DPJ17XFS) [![UlcerEze Mouth Ulcer Patch 6 Patches | Fast Relief | Oral Pain Treatment](https://m.media-amazon.com/images/I/41RCDQhHQQL.jpg)**UlcerEze Mouth Ulcer Patch 6 Patches | Fast Relief | Oral Pain Treatment**UlcerEze**£6.01**205 rev1y ago](https://www.amazon.co.uk/dp/B0DN3XNZFP) [![PerioSpot Gel for Mouth Ulcer Treatment Sore Gums & Irritation - Soothing Relief with Natural Ingredients 14g Dental Herb](https://m.media-amazon.com/images/I/31t3jufIfxL.jpg)**PerioSpot Gel for Mouth Ulcer Treatment Sore Gums & Irritation - Soothing Relief with Natural Ingredients 14g Dental Herb**Dental Herb Company**£7.76**334 rev2y ago](https://www.amazon.co.uk/dp/B0D67X9W71)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Gengigel First Aid Oral Fluid 50ml Hyaluronic Acid Mouth Ulcer Treatment for Adults Gum Repair & Gum Disease Care Oral Rinse for Mouth Ulcers Gum Irritation & Post-Dental Care](https://m.media-amazon.com/images/I/51eVQxbwMVL.jpg)**Gengigel First Aid Oral Fluid 50ml Hyaluronic Acid Mouth Ulcer Treatment for Adults Gum Repair & Gum Disease Care Oral Rinse for Mouth Ulcers Gum Irritation & Post-Dental Care**Gengigel**£9.20**4.6★**▲ 163%**](https://www.amazon.co.uk/dp/B078HKQMLK) [![Gengigel Oral Gel 20ml Hyaluronic Acid Mouth Ulcer Treatment for Adults Gum Repair & Gum Disease Support Targeted Gel for Mouth Ulcers Inflamed or Bleeding Gums](https://m.media-amazon.com/images/I/51IDi5LrdrL.jpg)**Gengigel Oral Gel 20ml Hyaluronic Acid Mouth Ulcer Treatment for Adults Gum Repair & Gum Disease Support Targeted Gel for Mouth Ulcers Inflamed or Bleeding Gums**Gengigel**£7.77**4.4★**▲ 115%**](https://www.amazon.co.uk/dp/B002K5SWA8) [![Curatick Mouth Ulcer Patches for Adults & Kids Canker Sore Patch Mouth Ulcer Treatment Oral Protective Patch for Gum Sores & Braces Irritation Fast Pain Relief Mint 5pcs](https://m.media-amazon.com/images/I/41v1cH0KzSL.jpg)**Curatick Mouth Ulcer Patches for Adults & Kids Canker Sore Patch Mouth Ulcer Treatment Oral Protective Patch for Gum Sores & Braces Irritation Fast Pain Relief Mint 5pcs**Curatick**£5.43**3.7★**▲ 112%**](https://www.amazon.co.uk/dp/B0GM87NKP3) [![BONJELA Adult Sugar-Free Mouth Pain Relief Gel for Ulcer 15 g](https://m.media-amazon.com/images/I/415armsaiHL.jpg)**BONJELA Adult Sugar-Free Mouth Pain Relief Gel for Ulcer 15 g**BONJELA**£4.86**4.6★**▲ 89%**](https://www.amazon.co.uk/dp/B00KOQTLZA) [![Bonjela Adult Gel 15g - Mint Oral Pain Relief For Mouth Ulcers Cold Sores Dentures - Fast 3-Minute Action Fights Infections Medication For Quick Comfort](https://m.media-amazon.com/images/I/41scE58HJoL.jpg)**Bonjela Adult Gel 15g - Mint Oral Pain Relief For Mouth Ulcers Cold Sores Dentures - Fast 3-Minute Action Fights Infections Medication For Quick Comfort**Bonjela**£4.60**4.7★**▲ 44%**](https://www.amazon.co.uk/dp/B001E1AC2A)

**~~View all trending →~~**

## **What buyers say about mouth ulcer treatment**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Oral Hygiene**16%

*“I find these very good for soothing the mouth”*

**Quality-Overall**13%

*“Good effective product”*

**Efficiency**11%

*“Effective”*

**Value For Money**10%

*“Reasonably priced”*

**Advertised Vs Actual Product**9%

*“Does exactly as advertised”*

**Tooth Sensitivity**7%

*“it calmed my gum down around the tooth it handy to have in for emergencies”*

**Joint Pain**5%

*“Very good for mouth ulcers”*

**Taste-Overall**5%

*“Tastes ok”*

**Ease Of Use**4%

*“ease of use”*

**Adhesion/Stickiness**2%

*“Sticks well. dry first., protects perfectly”*

### **What buyers complain about **

**Functionality-Overall**17%

*“Doesn't work, and doesn't spray”*

**Value For Money**10%

*“Bit expensive”*

**Pain Relief-Overall**9%

*“They're just really painful”*

**Taste-Overall**8%

*“a mild minty taste”*

**Oral Hygiene**6%

*“my mouth didn't seem to be improving”*

**Ease Of Use**6%

*“a bit tricky to use”*

**Adhesion/Stickiness**5%

*“W. Dont stick- when they stick they roll down and fold over”*

**Thickness**3%

*“it is a thick paste that is gritty”*

**Durability**3%

*“Do not last”*

**Allergies**3%

*“started eating which irritated it”*

### **Top return reasons **

**Size-Overall**29%

**Compatibility-Overall**21%

**Dilute/Watery**14%

**Joint Pain**11%

**Taste-Overall**11%

**Advertised Vs Actual Product**7%

**Functionality-Overall**7%

## **Common questions**

<dl>

<dt>**Is mouth ulcer treatment profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £879K/yr across 16 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -10.4%. Flapen's verdict: Skip it (48/100).</dd>

<dt>**How competitive is the mouth ulcer treatment niche?**</dt><dd>10 brands and 104 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 91% of demand.</dd>

<dt>**What do buyers complain about in mouth ulcer treatment?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Value For Money, Pain Relief-Overall. The return rate is 0.1%.</dd>

<dt>**When does demand for mouth ulcer treatment peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.6× the quietest.</dd>

<dt>**What does it cost to enter the mouth ulcer treatment niche?**</dt><dd>Listings span £3.22–£11.47; the average listing price is £6.21 (sweet spot $15–$100). The average incumbent carries 2,494 reviews — the moat a new listing must climb.</dd>

</dl>

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