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80

Retainer Cleaner

Launch it

A $3.1M/yr market growing +73.6% this quarter with returns at 0.3% — clears our launch bar.

Market size 96Growth 80Conversion 93Competition 45Returns 98Price range 85Avg price 95Brand share 76Review moat 58Quality gap 85

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Market size

Incredible£3.1M

£3.1M/yr · 1.2M searches

Avg price

Incredible£23.08

avg listing price — sweet spot $15–$100

Conversion

Great11.4%

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Great£5.91–£80.65

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Great+73.6%

90-day search growth — must beat 0% to launch

Brand share

Great59%

top-5 brand share — no brand owns this niche

Review moat

Good1,172.07

avg incumbent reviews — the moat a new listing must climb

Competition

Okay58%

top-5 click share — leaders hold, buyers still browse

Is retainer cleaner profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, retainer cleaner is a £3.1M/yr Amazon United Kingdom market (1.2M searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jun–Jul. Verdict: Launch it — 80/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

retainer cleaner market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
150K–200K
avg 3,000–4,000/product
Revenue / yr
£3.5M–£4.6M
units × avg price
Conversion rate
11.4%
Avg BSR
#50
Page quality
0%
Prime
81%
Sponsored
81%
Out of stock
46.3%
Avg brand age
29 months
Avg seller age
166 days

Competition: brands, sellers & click share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

25 rising

Sellers

133

Top-5 brand share

59%

Top 20: 95%

Top-5 click share

58%

Top 20: 92%

Open market

37%

  • Retainer Fresh18%
  • Beser13%
  • Pheleam11%
  • opilea10%
  • Warmra7%
  • Dentomore4%

retainer cleaner demand & seasonality

Weekly Amazon search volume, last 104 weeks — +73.6% search growth over the last 90 days.
50K30KPrime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun, Jul · busiest ÷ quietest = 2.2×

Top retainer cleaner search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • retainer cleaner tablets278K/yr
  • retainer cleaner554K/yr
  • retainer cleaning tablets36K/yr
  • invisalign cleaner72K/yr
  • retainer fresh cleaning tablets20K/yr
  • invisalign cleaner tablets13K/yr
  • aligner cleaning tablets14K/yr
  • retainer tablets20K/yr
  • aligner cleaner34K/yr
  • retainer fresh13K/yr
All search terms

Top retainer cleaner products & what they sell for

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

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%£156K10%£313K15%£469K20%£626K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about retainer cleaner

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

What buyers love

Ease Of Cleaning23%

“Cleans really well”

Ease Of Use12%

“easy to carry”

Value For Money11%

“Money well spent”

Quality-Overall11%

“Excellent product”

Oral Hygiene8%

“very useful addition to mouth hygiene”

Advertised Vs Actual Product5%

“Works as should”

Efficiency3%

“Effective cleaning”

Compactness3%

“Small and compact unit”

Cleansing2%

“Great Cleaning”

Size-Overall2%

“I love the size”

What buyers complain about

Durability16%

“Broke”

Ease Of Cleaning15%

“cleaning - hopeless”

Quality-Overall7%

“the build quality feels cheap”

Value For Money6%

“not worth the price”

Functionality-Overall5%

“Stopped working”

Solubility4%

“Slow To dissolve”

Size-Overall3%

“Not fit for purpose”

Ease Of Use2%

“Not very useful”

Stain Resistance2%

“The cleaning performance is quite average — some stains”

Advertised Vs Actual Product1%

“its not as good as advertised”

Top return reasons

Functionality-Overall34%
Durability7%
Size-Overall7%
Charging7%
Ease Of Cleaning6%
Advertised Vs Actual Product5%
Quality-Overall3%
Defective Material/Parts3%
Heating2%
Connectivity-Overall2%

Common retainer cleaner questions

Is retainer cleaner profitable to sell on Amazon United Kingdom?
The niche generates £3.1M/yr across 27 tracked products. 12 of 19 products launched in the last 360 days are still selling. 90-day search growth is +73.6%. Flapen's verdict: Launch it (80/100).
How competitive is the retainer cleaner niche?
25 brands and 133 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 59% of demand.
What do buyers complain about in retainer cleaner?
Top complaints mined from reviews: Durability, Ease Of Cleaning, Quality-Overall. The return rate is 0.3%.
When does demand for retainer cleaner peak?
Demand peaks in Jun–Jul; the busiest month runs 2.2× the quietest.
What does it cost to enter the retainer cleaner niche?
Listings span £5.91–£80.65; the average listing price is £23.08 (sweet spot $15–$100). The average incumbent carries 1,172 reviews — the moat a new listing must climb.

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