smile therapy ultrasonic tooth cleaner
Skip itSoft demand (-31.5% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.8%return rate — above 5% kills the launch gate
Quality gap
Incredible4.0★avg incumbent rating — lower means beatable quality
Avg price
Incredible£23.03avg listing price — sweet spot $15–$100
Price range
Great£13.26–£38.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Review moat
Bad4,310.19avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Market size
Bad£39K£39K/yr · 91K searches
Growth
Bad-31.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, smile therapy ultrasonic tooth cleaner is a £39K/yr Amazon United Kingdom market (91K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 43/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
smile therapy ultrasonic tooth cleaner market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- £46K–£58K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #93
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 95%
- Out of stock
- 20.0%
- Avg brand age
- 24 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
27
Top-5 brand share
84%
Top 20: 98%
Top-5 click share
67%
Top 20: 99%
Open market
13%
- Generic23%
- Smile Therapy22%
- MEPRFROT14%
- HOKIN14%
- HANGSUN10%
- MySweetSmile3%
- Open — no brand owns it (6 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 76 weeks — -31.5% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 1.8×
Top smile therapy ultrasonic tooth 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.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ortable Dental Care Set Oral Cleaner & Toothbrush (B)
Generic£13.971.0★1 rev
Dental Care Package Portable Oral Care Tools for Home (Blue)
MEPRFROT£20.182.5★3 rev
Smile Therapy Water flosser for Teeth Removes Plaque & Debris 5 Modes
Smile Therapy£28.884.3★88 rev
HOKIN Plaque Remover Dental Care Kit Teeth Cleaning Tool Dental Care Kit Tooth Filling Repair Set Stainless Steel Dental Tools for Men Women Kids and Pet Care (5)
HOKIN£38.914.4★7,484 rev
Hangsun Water Flosser for Teeth Cordless Oral Irrigator Dental Water Jet Electric Tooth Flosser with 6 Jet Tips 300ML Water Tank USB Rechargeable for Travel and Home Use (Black)
HANGSUN£21.454.3★28,728 rev
Newest
by launch date
Portable Oral Hygiene Set Travel Cleaning Kit for Daily Use (Blue)
Generic£13.261 rev
ortable Dental Care Set Oral Cleaner & Toothbrush (B)
Generic£13.971 rev
Portable Ultrasonic Dental Care Set Oral Cleaner & Toothbrush Plaque Stain Cleaning Tool USB Powered
Generic£19.708 rev
Dental Care Package Portable Oral Care Tools for Home Multi-Function Oral Care with USB Cable
Funthy£15.314 rev
Electric Plaque Remover for Teeth with 5 Speeds & USB Rechargeable | Tartar Remover for Teeth | Teeth Cleaning Tools for Home Oral Care. Ideal for Teeth Cleaning Plaque Removal to do at Home
Bodyblooms£15.6133 rev
Trending
90-day click momentumPortable Oral Hygiene Set Travel Cleaning Kit for Daily Use (Blue)
Generic£13.265.0★
Electric Plaque Remover for Teeth with 5 Speeds & USB Rechargeable | Tartar Remover for Teeth | Teeth Cleaning Tools for Home Oral Care. Ideal for Teeth Cleaning Plaque Removal to do at Home
Bodyblooms£15.614.0★
ortable Dental Care Set Oral Cleaner & Toothbrush (B)
Generic£13.971.0★
HOKIN Plaque Remover Dental Care Kit Teeth Cleaning Tool Dental Care Kit Tooth Filling Repair Set Stainless Steel Dental Tools for Men Women Kids and Pet Care (Classic White)
HOKIN£35.084.3★
Britiva Electric Tooth Polisher Plaque Remover for Teeth Tooth Stain Tartar Remover Teeth Cleaner Dental Cleaning Kit for Tooth Whitening 5 Modes Rechargeable & LED Light
Britiva£22.564.3★
What buyers say about smile therapy ultrasonic tooth cleaner
What buyers praise and complain about, mined from review topics.What buyers love
“It was great on the teeth”
“The build quality feels solid”
“Money well spent”
“Ease of use”
“Working as advertised”
“it turns out to be effective”
“Teeth whitening”
“Seems sturdy”
“Easy to clean”
“Battery life seems pretty good”
What buyers complain about
“STOPPED WORKING”
“Doesnt charge”
“still wont turn on”
“the build quality is not up to standard - the head snapped off whilst trying to change it”
“expensive”
“Poor for gum health”
“The buttons can sometimes be a little fiddly”
“they are capped so prob permanently stained”
“Difficult”
“NOT FIT FOR PURPOSE”
Top return reasons
Common questions
- Is smile therapy ultrasonic tooth cleaner profitable to sell on Amazon United Kingdom?
- The niche generates £39K/yr across 21 tracked products. 4 of 11 products launched in the last 360 days are still selling. 90-day search growth is -31.5%. Flapen's verdict: Skip it (43/100).
- How competitive is the smile therapy ultrasonic tooth cleaner niche?
- 12 brands and 27 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in smile therapy ultrasonic tooth cleaner?
- Top complaints mined from reviews: Durability, Charging, Functionality-Overall. The return rate is 0.8%.
- When does demand for smile therapy ultrasonic tooth cleaner peak?
- Demand peaks in Jan–Feb; the busiest month runs 1.8× the quietest.
- What does it cost to enter the smile therapy ultrasonic tooth cleaner niche?
- Listings span £13.26–£38.91; the average listing price is £23.03 (sweet spot $15–$100). The average incumbent carries 4,310 reviews — the moat a new listing must climb.