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retainer cleaner

Launch it

A $32.8M/yr market growing +0.4% this quarter with returns at 0.9% — clears our launch bar.

Market size 100Growth 26Conversion 91Competition 36Returns 95Price range 67Avg price 95Brand share 60Review moat 24Quality gap 62

Market size

Incredible$32.8M

$32.8M/yr · 7.5M searches

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Avg price

Incredible$39.51

avg listing price — sweet spot $15–$100

Conversion

Great11.0%

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

Price range

Good$5.63–$133.15

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Good69%

top-5 brand share — brands hold most of the demand

Competition

Okay63%

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

Growth

Okay+0.4%

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

Review moat

Bad6,500.64

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, retainer cleaner is a $32.8M/yr Amazon United States market (7.5M searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Launch it — 64/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

retainer cleaner market data

Units sold / yr
800K–1.0M
avg 30,000–40,000/product
Revenue / yr
$31.6M–$39.5M
units × avg price
Conversion rate
11.0%
Avg BSR
#21
Page quality
0%
Prime
100%
Sponsored
91%
Out of stock
6.3%
Avg brand age
30 months
Avg seller age
133 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

78

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

63%

Top 20: 98%

Open market

25%

  • UEOFEN20%
  • m3naturals16%
  • MUAYSY15%
  • efferdent10%
  • UMPOPO8%
  • Zima Dental7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.4% search growth over the last 90 days.
250K150KSpike '24Holiday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.1×

Top retainer cleaner search terms

  • retainer cleaner2.7M/yr
  • retainer cleaner machine1.1M/yr
  • ultrasonic retainer cleaner840K/yr
  • invisalign cleaner676K/yr
  • dental pod621K/yr
  • zima dental pod ultrasonic cleaner459K/yr
  • mouth guard cleaner196K/yr
  • night guard cleaner135K/yr
  • dental pod ultrasonic cleaner for retainers205K/yr
  • ultrasonic denture cleaner102K/yr
All search terms

Top retainer cleaner products on Amazon

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

0%5%$1.6M10%$3.3M15%$4.9M20%$6.6M1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

What buyers say about retainer cleaner

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

What buyers love

Ease Of Cleaning27%

“Cleans quickly”

Ease Of Use12%

“Easy to Operate”

Quality-Overall10%

“The build quality is excellent”

Efficiency9%

“Amazing Results”

Value For Money7%

“Great Buy”

Advertised Vs Actual Product5%

“AS described”

Cleansing4%

“Effective cleaning”

Smell3%

“Nice smell”

Compactness2%

“Compact and easy to clean”

Design-Overall2%

“The design is attractive”

What buyers complain about

Durability37%

“Broke immediately”

Ease Of Cleaning11%

“hard to clean”

Functionality-Overall7%

“Worked once”

Quality-Overall6%

“Bad Quality”

Value For Money4%

“more expensive”

Stain Resistance2%

“Got the stains”

Smell2%

“The smell is unpleasant”

Size-Overall2%

“The opening is too small”

Ease Of Use1%

“It's not easy to use”

Advertised Vs Actual Product1%

“False advertising”

Top return reasons

Functionality-Overall26%
Defective Material/Parts13%
Size-Overall11%
Advertised Vs Actual Product9%
Ease Of Cleaning5%
Durability5%
Product Condition5%
Value For Money5%
Charging2%
Color2%

Common questions

Is retainer cleaner profitable to sell on Amazon United States?
The niche generates $32.8M/yr across 22 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.4%. Flapen's verdict: Launch it (64/100).
How competitive is the retainer cleaner niche?
18 brands and 78 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in retainer cleaner?
Top complaints mined from reviews: Durability, Ease Of Cleaning, Functionality-Overall. The return rate is 0.9%.
When does demand for retainer cleaner peak?
Demand peaks in Jan–Nov–Dec; the busiest month runs 2.1× the quietest.
What does it cost to enter the retainer cleaner niche?
Listings span $5.63–$133.15; the average listing price is $39.51 (sweet spot $15–$100). The average incumbent carries 6,501 reviews — the moat a new listing must climb.