---
title: "Canker Sore Patch — $391K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/canker-sore-patch"
last_updated: "2026-08-10T21:53:51.603Z"
locale: en
meta:
description: "Niche score 50/100 · $391K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $391K/yr market. Brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Canker Sore Patch — $391K/yr Amazon US Niche (2026) - Flapen"
---
# **canker sore patch**
**Worth a look**
Shows low returns (0.1%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Market size 55Growth 48Conversion 97Competition 7Returns 100Price range 24Avg price 56Brand share 0Review moat 25Quality gap 90
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.8%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$12.73**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$391K**
$391K/yr · 194K searches
**Growth**
**Okay****+18.4%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****4,254**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Bad****$9.06–$16.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****92%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, canker sore patch is a $391K/yr Amazon United States market (194K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **canker sore patch market data**
- **Units sold / yr**
- **30K–40K**
- avg 3,000–4,000/product
- **Revenue / yr**
- **$382K–$509K**
- units × avg price
- **Conversion rate**
- **15.8%**
- **Avg BSR**
- **#49**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **67 months**
- **Avg seller age**
- **153 days**
## **Competition & brand share**
The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**31**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**92%**
Top 20: 100%
**Open market**
**0%**
- DenTek52% - Dentemp31% - Oracoat12% - Zilactin3% - UlcerEze2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +18.4% search growth over the last 90 days.
5K3KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/canker-sore-patch/trend)
## **Top canker sore patch search terms**
- **canker sore patch**88K/yr+16.4%13.8% conv. - **canker cover**36K/yr+0.5%15.0% conv. - **dentek canker sore patch**9K/yr+28.7%18.0% conv. - **canker sore patches**9K/yr+26.2%11.0% conv. - **dentemp canker cover**7K/yr+44.4%12.7% conv. - **mouth ulcer patch**5K/yr+174.0%10.3% conv. - **mouth sore patch**7K/yr+8.5%7.6% conv. - **canker cover patch**4K/yr+285.3%15.1% conv. - **canker sore cover**7K/yr+0.7%11.9% conv. - **canker sore patch inside mouth**4K/yr+30.4%9.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/canker-sore-patch/search-terms)
## **Top canker sore patch 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%15%$59K30%$117K45%$176K60%$235K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**DenTek Canker Relief Patches for Canker Sore Pain Relief Helps Relieve Soreness from Braces & Oral Wounds 6 Count**DenTek**$13.87**4.4★19,477 rev](https://www.amazon.com/dp/B08RNF46MZ) [2**Dentemp Canker Cover Mouth Sore Treatment - Oral Pain Relief for Canker Sores & Mouth Irritation - Fast-Acting Pain Relief Tablets for Adults - Value Pack of 1 (8 Count)**Dentemp**$12.49**4.0★4,075 rev](https://www.amazon.com/dp/B0DM6M75NW) [3**Oracoat CankerMelts Stick-On Melts Canker Sore Treatment for Mouth Sores with 15mg Benzocaine Hyaluronic Acid & Vitamin E**Oracoat**$9.51**4.1★663 rev](https://www.amazon.com/dp/B0CLBW6755) [4**DenTek Canker Relief Canker Sore Patch Relieves Canker Pain 6 Count (Pack of 1)**DenTek**$15.98**3.9★171 rev](https://www.amazon.com/dp/B019WVX7RU) [5**Dentemp Canker Cover Mouth Sore Treatment - Oral Pain Relief for Canker Sores & Mouth Irritation - Fast-Acting Pain Relief Tablets for Adults - Pack of 1 (6 Count)**Dentemp**$13.43**4.0★4,075 rev](https://www.amazon.com/dp/B087CN497C)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**UlcerEze Mouth Ulcer Patch - 6 Patches for Fast Relief | Natural Mouth Ulcer Treatment & Oral Pain Treatment | Canker Sore Treatment | Safe for Pregnant Women & Children Over 3 Years**UlcerEze**$9.06**29 rev9mo ago](https://www.amazon.com/dp/B0FVB85D4W) [**Zilactin-B Fast Acting Canker Sore Treatment - Long Lasting Protection and Oral Pain Relief of Canker Sores Mouth Sores and Gum Irritations Made in USA 0.25oz Gel Pack of 1**Zilactin**$10.63**1,467 rev2y ago](https://www.amazon.com/dp/B0D642ZD22) [**Oracoat CankerMelts Stick-On Melts Canker Sore Treatment for Mouth Sores with 15mg Benzocaine Hyaluronic Acid & Vitamin E**Oracoat**$9.51**663 rev2y ago](https://www.amazon.com/dp/B0CLBW6755) [**Dentemp Canker Cover Mouth Sore Treatment - Oral Pain Relief for Canker Sores & Mouth Irritation - Fast-Acting Pain Relief Tablets for Adults - Pack of 2 (12 Count)**Dentemp**$16.90**4,075 rev3y ago](https://www.amazon.com/dp/B0BQWSZ79F) [**Dentemp Canker Cover Mouth Sore Treatment - Oral Pain Relief for Canker Sores & Mouth Irritation - Fast-Acting Pain Relief Tablets for Adults - Value Pack of 1 (8 Count)**Dentemp**$12.49**4,075 rev4y ago](https://www.amazon.com/dp/B0DM6M75NW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**UlcerEze Mouth Ulcer Patch - 6 Patches for Fast Relief | Natural Mouth Ulcer Treatment & Oral Pain Treatment | Canker Sore Treatment | Safe for Pregnant Women & Children Over 3 Years**UlcerEze**$9.06**3.7★**▲ 188%**](https://www.amazon.com/dp/B0FVB85D4W) [**DenTek Canker Relief Canker Sore Patch Relieves Canker Pain 6 Count (Pack of 1)**DenTek**$15.98**3.9★**▲ 20%**](https://www.amazon.com/dp/B019WVX7RU) [**Oracoat CankerMelts Stick-On Melts Canker Sore Treatment for Mouth Sores with 15mg Benzocaine Hyaluronic Acid & Vitamin E**Oracoat**$9.51**4.1★**▲ 17%**](https://www.amazon.com/dp/B0CLBW6755) [**DenTek Canker Relief Patches for Canker Sore Pain Relief Helps Relieve Soreness from Braces & Oral Wounds 6 Count**DenTek**$13.87**4.4★**▲ 13%**](https://www.amazon.com/dp/B08RNF46MZ) [**Dentemp Canker Cover Mouth Sore Treatment - Oral Pain Relief for Canker Sores & Mouth Irritation - Fast-Acting Pain Relief Tablets for Adults - Pack of 2 (12 Count)**Dentemp**$16.90**4.0★**▲ 11%**](https://www.amazon.com/dp/B0BQWSZ79F)
**~~View all trending →~~**
## **What buyers say about canker sore patch**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Efficiency**17%
*“Does its job well”*
**Adhesion/Stickiness**8%
*“Sticks well”*
**Oral Hygiene**6%
*“My dentist recommended to me”*
**Tooth Sensitivity**5%
*“These are amazing for any kind of painful oral cuts or sores”*
**Quality-Overall**4%
*“Great quality and exactly as described”*
**Value For Money**4%
*“WORTH IT”*
**Ease Of Use**3%
*“Easy to use”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Durability**3%
*“Its long lasting”*
**Ease Of Application**2%
*“Easy to apply”*
### **What buyers complain about **
**Adhesion/Stickiness**14%
*“Does not stay adhered”*
**Value For Money**11%
*“TOO expensive”*
**Pain Relief-Overall**10%
*“it didnt provide pain relief”*
**Functionality-Overall**10%
*“Didn't Work”*
**Oral Hygiene**4%
*“Blobs huge in mouth”*
**Comfort-Overall**3%
*“Uncomfortable”*
**Taste-Overall**3%
*“Has no taste”*
**Ease Of Use**3%
*“Not easy to use”*
**Durability**3%
*“say only lasts an hour”*
**Size-Overall**2%
*“Way too big”*
## **Common questions**
- **Is canker sore patch profitable to sell on Amazon United States?**
- The niche generates $391K/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +18.4%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the canker sore patch niche?**
- 5 brands and 31 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in canker sore patch?**
- Top complaints mined from reviews: Adhesion/Stickiness, Value For Money, Pain Relief-Overall. The return rate is 0.1%.
- **When does demand for canker sore patch peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the canker sore patch niche?**
- Listings span $9.06–$16.90; the average listing price is $12.73 (sweet spot $15–$100). The average incumbent carries 4,254 reviews — the moat a new listing must climb.
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