Canker Sore Treatment Inside Mouth Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Canker Sore Treatment Inside Mouth sales on Amazon US totaled 106,900 units in July 2026 (▼ 6.1% vs. the prior month), generating an estimated $1,719,169 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 89.8% of unit volume and 87.1% of revenue, while a typical listing is priced at $16.86. The keyword itself pulled 18,798 Amazon queries over the same period (▲ 6.9% MoM).
Zooming out to the 12-month window ending July 2026, the canker sore treatment inside mouth Top 50 moved 894,950 units and $13,904,267 in cumulative sales — an average of 74,579 units and $1,158,689 per month. Monthly throughput topped out at 113,900 units in June 2026 and dipped to 45,800 in May 2026, leaving the latest reading 48.7% higher than August 2025.
Canker Sore Treatment Inside Mouth Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
106.9K
▼ 6.1% MoM
Monthly Revenue 2026/07
$1.7M
▼ 8.3% MoM
Top 10 Market Share 2026/07
89.8%
Canker Sore Treatment Inside Mouth Market Share & Sales Concentration on Amazon US — July 2026
The most-sold canker sore treatment inside mouth listing on Amazon US in July 2026 is ASIN B0GC1X785H (Brand: HISMILE), which sold 30,000 units at $17.97 apiece — equal to 28.1% of every unit tracked in this report and 1.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 96,000 units and $1,496,790 in July 2026 — 89.8% of unit volume and 87.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Canker Sore Treatment Inside Mouth' on Amazon
July 2026
Is 89.8% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B0GC1X785H
Hismile iD Stain Whitening Mouthwash, Gunk Removing Mouthwash for Fresh Breath, Hydrogen Peroxide Mouthwash to Promote Whiter Teeth, Peroxide Rinse with Essential Oils 237ml
30K
▲ 0.0%vs. prior month
$539.1K
latest month
12-month trend
B00WOSEKP2
Colgate Peroxyl Antiseptic Mouth Sore Rinse, Alcohol Free, Mint, 16.9 fl oz | 1.5% Hydrogen Peroxide Oral Rinse, Cleanses and Promotes Healing of Minor Oral Wounds, Canker Sores, Burns, and Irritations
20K
▲ 0.0%vs. prior month
$209.8K
latest month
12-month trend
B0GYWJ7KCR
DR.DENT Purple Mouthwash for Teeth Whitening - Color Correcting Mouthwash Sachets - Peroxide Free, Alcohol Free - Freshens Breath, Supports Gum Health - Vegan, Mint Flavor (20 pc)
10K
▼ 50.0%vs. prior month
$186.2K
latest month
12-month trend
B007XEVQ8G
Oracoat XyliMelts for Dry Mouth Night Time or Day - Moisturizing Dry Mouth Adhering Discs, Sugar Free with Xylitol, 40 Count, Mild Mint Flavor, 8-Hour Relief
10K
▲ 0.0%vs. prior month
$89.7K
latest month
12-month trend
B07ZJZWJ7R
Oral-B Mouth Sore Mouthwash Special Care Oral Rinse, Hydrogen Peroxide Mouthwash, 16 fl oz, Mouthwash Alcohol Free
10K
▲ 0.0%vs. prior month
$99.9K
latest month
12-month trend
B004KVCV6G
Colgate Peroxyl Antiseptic Mouth Sore Rinse, Alcohol Free, Mint, 8.4 fl oz | 1.5% Hydrogen Peroxide Oral Rinse, Cleanses and Promotes Healing of Minor Oral Wounds, Canker Sores, Burns, and Irritations
6K
▲ 50.0%vs. prior month
$41.6K
latest month
12-month trend
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Best Canker Sore Treatment Inside Mouth Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
HISMILE is the best-performing canker sore treatment inside mouth brand in July 2026, moving 30,000 units across 1 ASIN for 31.3% of Top 10 volume. Colgate follows with 26,000 units (27.1%), ahead of Oracoat on 15,000 units (15.6%).
With 8 brands splitting the Top 10 and 74.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $8.47 to $26.98, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
HISMILE
1 ASIN in Top 10
31.3%
Units
30K
Revenue
$539.1K
Avg. price
$17.97
B0GC1X785H
$17.97·★4.3·4K revsHismile iD Stain Whitening Mouthwash, Gunk Removing Mouthwash for Fresh Breath, Hydrogen Peroxide Mouthwash to Promote Whiter Teeth, Peroxide Rinse with Essential Oils 237ml
Units sold30K
Colgate
2 ASINs in Top 10
27.1%
Units
26K
Revenue
$251.4K
Avg. price
$8.47
B00WOSEKP2
$9.99·★4.7·42.4K revsColgate Peroxyl Antiseptic Mouth Sore Rinse, Alcohol Free, Mint, 16.9 fl oz | 1.5% Hydrogen Peroxide Oral Rinse, Cleanses and Promotes Healing of Minor Oral Wounds, Canker Sores, Burns, and Irritations
Units sold20KB004KVCV6G
$6.96·★4.7·42.4K revsColgate Peroxyl Antiseptic Mouth Sore Rinse, Alcohol Free, Mint, 8.4 fl oz | 1.5% Hydrogen Peroxide Oral Rinse, Cleanses and Promotes Healing of Minor Oral Wounds, Canker Sores, Burns, and Irritations
Units sold6K
Oracoat
2 ASINs in Top 10
15.6%
Units
15K
Revenue
$314.6K
Avg. price
$26.98
B007XEVQ8G
$8.97·★4.3·8K revsOracoat XyliMelts for Dry Mouth Night Time or Day - Moisturizing Dry Mouth Adhering Discs, Sugar Free with Xylitol, 40 Count, Mild Mint Flavor, 8-Hour Relief
Units sold10KB091ZB4C1Z
$44.99·★4.7·1.9K revsOracoat XyliMelts for Dry Mouth Night Time or Day - Moisturizing Dry Mouth Adhering Discs, Sugar Free with Xylitol, 230 Count, Mild- Mint Flavor, 8-Hour Relief
Units sold5K
Trending Canker Sore Treatment Inside Mouth Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B0DSLS8VP6 leads positive momentum with ▲ 100.0% MoM growth on 2K units, with B0G5LJLJ78 close behind at ▲ 100.0% MoM on 200 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0DSLS8VP6
CloSYS Hydrogen Peroxide Mouthwash, 16 oz, Canker Sore Mouthwash | Alcohol-Free, Non-Burning, Cleanses and Heals Mouth Sore Rinse
Price
$17.99
Rating
4.4
Reviews
750
Latest month sales
B0G5LJLJ78
HurriCaine Topical Anesthetic Gel, 20% Benzocaine, Strawberry Flavor, 1 oz | Fast Acting Oral Anesthetic for Mouth Pain Relief, Temporary Mouth Numbing Gel for Canker Sores & Other Minor Irritations
Price
$14.40
Rating
4.7
Reviews
49
Latest month sales
B0G6ZJ6SYY
GuruNanda Mouth Sore & Canker Sore Treatment Mouthwash, Mint, 33.8 oz | 1.5% Hydrogen Peroxide Mouth Wash|Braces Irritation, Oral Cuts & Gum Discomfort|Dentist Recommended Therapeutic Rinse|Mint
Unlock to view ASIN details and product titles
Price
$14.43
Rating
4.6
Reviews
355
Latest month sales
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