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.

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.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible15.8%

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

Quality gap

Great4.1★

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

Bad4,254

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

Bad92%

top-5 click share — a locked-up shelf

Brand share

Bad100%

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

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

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

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.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top canker sore patch search terms

canker sore patch88K/yr +16.4%13.8% conv.
canker cover36K/yr +0.5%15.0% conv.
dentek canker sore patch9K/yr +28.7%18.0% conv.
canker sore patches9K/yr +26.2%11.0% conv.
dentemp canker cover7K/yr +44.4%12.7% conv.
mouth ulcer patch5K/yr +174.0%10.3% conv.
mouth sore patch7K/yr +8.5%7.6% conv.
canker cover patch4K/yr +285.3%15.1% conv.
canker sore cover7K/yr +0.7%11.9% conv.
canker sore patch inside mouth4K/yr +30.4%9.9% conv.

All 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.

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

DenTek Canker Relief Patches for Canker Sore Pain Relief Helps Relieve Soreness from Braces & Oral Wounds 6 Count

DenTek$13.874.4★19,477 rev

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$12.494.0★4,075 rev

Oracoat CankerMelts Stick-On Melts Canker Sore Treatment for Mouth Sores with 15mg Benzocaine Hyaluronic Acid & Vitamin E

Oracoat$9.514.1★663 rev

DenTek Canker Relief Canker Sore Patch Relieves Canker Pain 6 Count (Pack of 1)

DenTek$15.983.9★171 rev

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$13.434.0★4,075 rev

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$9.0629 rev

9mo ago

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$10.631,467 rev

2y ago

Oracoat CankerMelts Stick-On Melts Canker Sore Treatment for Mouth Sores with 15mg Benzocaine Hyaluronic Acid & Vitamin E

Oracoat$9.51663 rev

2y ago

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$16.904,075 rev

3y ago

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$12.494,075 rev

4y ago

What buyers say about canker sore patch

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

What buyers love

Efficiency17%

“Does its job well”

Adhesion/Stickiness8%

“Sticks well”

Oral Hygiene6%

“My dentist recommended to me”

Tooth Sensitivity5%

“These are amazing for any kind of painful oral cuts or sores”

Quality-Overall4%

“Great quality and exactly as described”

Value For Money4%

“WORTH IT”

Ease Of Use3%

“Easy to use”

Advertised Vs Actual Product3%

“As advertised”

Durability3%

“Its long lasting”

Ease Of Application2%

“Easy to apply”

What buyers complain about

Adhesion/Stickiness14%

“Does not stay adhered”

Value For Money11%

“TOO expensive”

Pain Relief-Overall10%

“it didnt provide pain relief”

Functionality-Overall10%

“Didn't Work”

Oral Hygiene4%

“Blobs huge in mouth”

Comfort-Overall3%

“Uncomfortable”

Taste-Overall3%

“Has no taste”

Ease Of Use3%

“Not easy to use”

Durability3%

“say only lasts an hour”

Size-Overall2%

“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.