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Kids Mouthwash

prices mostly outside the sweet spot ($1.31–$14.66) — Kids Mouthwash doesn't clear our bar today.

Flapen Score

38
Skip it
Market size 14Growth 50Conversion 80Competition 20Returns 100Price range 0Avg price 13Brand share 23Review moat 45Quality gap 25
This niche Category average

Is Kids Mouthwash profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Kids Mouthwash is a £56K/yr Amazon United Kingdom market (141K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 38/100.

Kids Mouthwash: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +20.0% over the last 90 days and 8.3% of searches end in a purchase.

£56K

revenue / yr

Units sold / yr25K
Search volume / yr+20.0%141K
Conversion rate8.3%
Avg price£4.79

Who owns the niche?

The top 5 brands hold 91% of demand, so 9% of the market is open.

9%

open market share

Brands · sellers9 · 43
Top-5 product click share76%
Open market9%
Avg brand age64 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 13 products

Sponsored placement92%
New entrants (1y)2· 1 succeeded
Avg rating4.6★
Avg reviews1,954

Top Kids Mouthwash products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

£0£6K£11K£17K£22K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 rising

Sellers

43

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

5%

  • Aquafresh34%
  • Listerine33%
  • Dentyl14%
  • CLARISMILE PARIS5%
  • ACT5%
  • SENSODYNE PRONAMEL4%
  • Open — no brand owns it (3 brands, 5%)

Kids Mouthwash demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume141KCVR8.3%Products13Brands9Top 5 Brands91%OOS Rate0.0%Rating4.6★Reviews1,954Avg BSR#87
4K3KSpike '26Nov '25Dec '25Feb '26Mar '26May '26Jun '26

Top Kids Mouthwash search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • kids mouthwash80K/yr
  • mouthwash kids9K/yr
  • kids mouthwash 6-88K/yr
  • kids mouthwash 9-126K/yr
  • childrens mouthwash6K/yr
  • listerine kids mouthwash4K/yr
  • kids mouth wash5K/yr
  • listerine smart rinse kids4K/yr
  • kids mouthwash 3-5 years4K/yr
  • mouthwash for kids5K/yr

What reviews say buyers love and hate about Kids Mouthwash

What buyers mention most, as a share of all reviews.

What buyers love

84% of reviews
Taste-Overall20%

Very mild taste

Oral Hygiene19%

Cleans teeth well

Value For Money12%

Good deal

Flavor10%

Good flavor

Quality-Overall6%

theres no complaints

What buyers complain about

68% of reviews
Taste-Overall29%

mild in taste

Oral Hygiene14%

Awful, didnt realise Id picked up this one, Ill stick to the normal Dentyl mouthwash in future

Value For Money7%

sometimes expensive

Smell3%

Although the smell from the bottle,be that just the ingredients etc smelt like someone outside was painting with creosote🤧

Size-Overall3%

small

Kids Mouthwash return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

16%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Taste-Overall
18%
2Age Suitability
14%
3Leak-Proof
10%
4Flavor
8%
5Advertised Vs Actual Product
7%

Common Kids Mouthwash questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Kids Mouthwash 38/100 on Amazon United Kingdom — Skip it. The niche generates £56K/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. Search demand moved +20.0% over the last 90 days.
Kids Mouthwash buyers on Amazon United Kingdom complain most about Taste-Overall, Oral Hygiene, Value For Money, the themes mined from the niche's reviews. Its return rate is 0.1%.