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Mouthwash

Fail

Prices span $1.45–$10.06, mostly outside the sweet spot, so Mouthwash is a Fail.

Flapen Score
49
49 / 100
Top 45% of 2,035 Health & Personal Care niches · +1 vs the category median of 48
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.

49Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

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

21.5% of searches ended in a purchase last week.

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. In the latest week, 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

Amazon counts 1 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. 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

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 56% of clicks. Leaders hold, but buyers still shop past them.

£0£133K£267K£400K£534K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 falling

Sellers

95

Top-5 brand share

94%

Top 20: 100%

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.

45K35KSpike '24Prime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Mouthwash search terms shoppers use

The exact words shoppers type, with 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

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Taste-Overall22%−0.12

Strange taste

Metallic taste

Didnt like the taste

Oral Hygiene9%+1.69

a health hazard for anyone with a sensitive mouth

gums no spectacular results for me frankly I was a little underwhelmed

During it was hard to keep in my mouth

Value For Money8%+0.49

Bit expensive

Over priced

Not worth the price

Advertised Vs Actual Product4%+0.05

MISLEADING

It's false advertising

Does not work as advertised

Stain Resistance3%−0.01

Causes brown stains on teeth

Stained my teeth brown

Stained my teeth

Love

Oral Hygiene23%+1.69

Good for gum health and price great

Great for Healthy Gums

Good for the gums

Value For Money11%+0.49

Great value for money

Good value for money

Fair Price

Taste-Overall8%−0.12

Long lasting taste

Great taste

Fresh taste

Quality-Overall8%+0.66

Excellent product

Good quality product, it leaves your breath fresh and clean

Good product and does what it says on the bottle. for me

Advertised Vs Actual Product6%+0.05

Product as advertised

As described

Actually works

Return

0.1% Return rate 31% Fixable by listing

Advertised Vs Actual Product17%▁▄▆█▇▇

MISLEADING

It's false advertising

Does not work as advertised

Taste-Overall10%▁▇█▃█▇

Strange taste

Metallic taste

Didnt like the taste

Leak-Proof10%█▆█▆▃▅
Functionality-Overall9%▇█▅▃▄▅

Didnt work

Didnt really work as much as I thought

Totally ineffective

Size-Overall5%▁▃▄▃▃█

FAQ

Common Mouthwash questions

Answered from the same tracked data.