Mouthwash
FailPrices span $1.45–$10.06, mostly outside the sweet spot, so Mouthwash is a Fail.
- Flapen Score
- 49 / 100Top 45% of 2,035 Health & Personal Care niches · +1 vs the category median of 4849
- Market size
- £1.3M/yr2.0M searches / yr
- 90-day growth
- -5.0%search demand this quarter
- Competition
- 56%top-5 click share · 7 brands · 95 sellers
Flapen Score
Mouthwash against its category
The dotted line is the Health & Personal Care average. Past it, Mouthwash is stronger. Inside it, weaker.
Market
The Mouthwash market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Mouthwash 2.0M times last year and spent an estimated £1.3M. The top 5 brands take 94% of clicks. Flapen scores it 49 out of 100, a Fail.
01 · Demand
An estimated 21.5% of those searches ended in a purchase.
Shoppers searched for this 2.0M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 21.5% of those searches ended in a purchase. Searches in the last 90 days moved -5.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £1.3M a year.
- Searches, last 12 months
- 2.0M
- Growth, 90 days vs prior 90
- -5.0%
- Conversion, latest week
- 21.5%
- Market size, estimated
- £1.3Ma year
- Peak month
- March1.3× the quietest month
- Top search term
- mouthwash1.1M searches a year
02 · Price
A sale here is worth £3.13.
Listings sell for £3.13 on average, from £1.45 to £10.06. Amazon reports units sold in ranges. This niche sold 400K to 500K a year. The average listing sells 15,000 to 20,000 of them. At £3.13 that is £47K to £63K a year per listing.
- Average price
- £3.13under the $15 to $100 sweet spot
- Price range
- £1.45–£10.06
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 400K–500K
- Units per listing a year
- 15,000–20,000
- Revenue per listing a year
- £47K–£63K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
74% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #22 within Dental Care. It carries 5,767 reviews at 4.58 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 74%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #22in Dental Care
- Average rating
- 4.58 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 5,767per listing
- Listings tracked
- 19
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 55 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 55 months
Products
Top Mouthwash products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Listerine Total Care Mild Taste (Alcohol Free) Antibacterial Mouthwash (500ml) Fresh Mint Flavour with 6-in-1 Benefits Helps Reduce Plaque and Freshens Breath
- Price
- £1.95
- Rating
- 4.6/5
- Reviews
- 5,136
- Age
- 11y ago

Listerine Cool Mint Intense Classic Taste Mouthwash (1000ml) Helps Kill Germs Left After Brushing Freshens Breath and Maintain Healthy Gums
- Price
- £3.18
- Rating
- 4.7/5
- Reviews
- 7,680
- Age
- 13y ago

Listerine Total Care Intense Taste Classic Antibacterial Mouthwash (500ml) Fresh Mint Blast Flavour with 6-in-1 Benefits Helps Reduce Plaque and Freshens Breath
- Price
- £1.93
- Rating
- 4.7/5
- Reviews
- 8,945
- Age
- 18y ago

Listerine Total Care Intense Taste Classic Antibacterial Mouthwash (1000ml) Fresh Mint Blast Flavour With 6-in-1 Benefits Helps Reduce Plaque and Freshens Breath
- Price
- £3.89
- Rating
- 4.7/5
- Reviews
- 12,032
- Age
- 13y ago

Listerine Total Care Teeth & Gum Intense Taste Classic Antibacterial Mouthwash (500ml) Fresh Mint Blast Flavour With 6-in-1 Benefits
- Price
- £2.02
- Rating
- 4.7/5
- Reviews
- 5,452
- Age
- 17y ago
Trending
estimated 90-day click momentum
Colgate Triple Action Xtra White Mouthwash 500ml
- Price
- £1.45
- Rating
- 4.2/5
- Reviews
- 25
- Age
- 2y ago

Hismile iD Stain Whitening Mouthwash Gunk Removing Mouthwash for Fresh Breath Hydrogen Peroxide Mouthwash to Promote Whiter Teeth Alcohol-Free Mouthwash with Essential Oils 237ml
- Price
- £10.06
- Rating
- 4.3/5
- Reviews
- 2,853
- Age
- 7mo ago

Corsodyl Mouthwash Daily Active Gum Health Fluoride Mouthwash Alcohol Free Soft Mint 500ml
- Price
- £2.92
- Rating
- 4.7/5
- Reviews
- 1,564
- Age
- 2y ago

Listerine Cool Mint Intense Classic Taste Mouthwash (1000ml) Helps Kill Germs Left After Brushing Freshens Breath and Maintain Healthy Gums
- Price
- £3.18
- Rating
- 4.7/5
- Reviews
- 7,680
- Age
- 13y ago

Dentyl Dual Action CPC Mouthwash 12hrs Fresh Breath & Total Care Alcohol Free Fresh Clove 500 ml
- Price
- £2.15
- Rating
- 4.6/5
- Reviews
- 5,704
- Age
- 7y ago
Newest
by launch date
Hismile iD Stain Whitening Mouthwash Gunk Removing Mouthwash for Fresh Breath Hydrogen Peroxide Mouthwash to Promote Whiter Teeth Alcohol-Free Mouthwash with Essential Oils 237ml
- Price
- £10.06
- Rating
- 4.3/5
- Reviews
- 2,853
- Age
- 7mo ago

The Breath Co. Alcohol Free Mouthwash. Dentist Formulated Oral Rinse for 12 Hours of Fresh Breath ICY Mint Flavour 300 ml
- Price
- £3.93
- Rating
- 4.6/5
- Reviews
- 3,476
- Age
- 1y ago

Corsodyl Mouthwash Daily Active Gum Health Fluoride Mouthwash Alcohol Free Soft Mint 500ml
- Price
- £2.92
- Rating
- 4.7/5
- Reviews
- 1,564
- Age
- 2y ago

Colgate Triple Action Xtra White Mouthwash 500ml
- Price
- £1.45
- Rating
- 4.2/5
- Reviews
- 25
- Age
- 2y ago

Waken Whitening Mouthwash clinically Tested whitening Formula for a Brighter Smile Prevents Enamel Stains Alcohol-Free Vegan Recycled Packaging Natural Peppermint Flavour 500ml
- Price
- £2.26
- Rating
- 4.3/5
- Reviews
- 1,661
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 56% of clicks. Leaders hold, but buyers still shop past them.
Brands
7 falling
Sellers
95
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
56%
Top 20: 100%
Open market
3%
- Listerine65%
- Corsodyl9%
- Colgate9%
- The Breath Co.7%
- HISMILE4%
- Dentyl3%
- Open — no brand owns it (1 brand, 3%)
Demand
Mouthwash search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Mouthwash search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- mouthwash1.1M/yr
- listerine mouthwash325K/yr
- mouth wash168K/yr
- listerine102K/yr
- oral b mouthwash31K/yr
- alcohol free mouthwash34K/yr
- mouthwash alcohol free30K/yr
- mouthwash listerine26K/yr
- mouthwashes40K/yr
- listerine total care mouthwash18K/yr
Reviews and returns
What reviews say buyers love and hate about Mouthwash
We read the reviews and the return reasons for every product selling here.
“Strange taste”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Mouthwash questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









