usmile water flosser
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Price range
Incredible$58.47–$78.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$65.53avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Market size
Good$629K$629K/yr · 201K searches
Conversion
Good4.8%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay2,841.33avg incumbent reviews — the moat a new listing must climb
Growth
Bad-26.0%90-day search growth — must beat 0% to launch
Competition
Bad95%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, usmile water flosser is a $629K/yr Amazon United States market (201K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 41/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
usmile water flosser market data
- Units sold / yr
- 13K–15K
- avg 2,500–3,000/product
- Revenue / yr
- $819K–$983K
- units × avg price
- Conversion rate
- 4.8%
- Avg BSR
- #69
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 33 months
- Avg seller age
- 155 days
Competition & brand share
The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
5
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
95%
Top 20: 100%
Open market
0%
- usmile95%
- MySmile5%
Demand & seasonality
Weekly Amazon search volume, last 59 weeks — -26.0% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 2.5×
Top usmile water flosser search terms
- usmile water flosser144K/yr
- my smile water flosser14K/yr
- mysmile water flosser12K/yr
- u smile water flosser9K/yr
- smile water flosser9K/yr
- usmile c10 portable dental flosser8K/yr
- smile direct club water flosser5K/yr
Top usmile water flosser 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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
usmile C10 Portable Water Flosser for Travel 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Braces Implants & Sensitive Gums (Blue)
usmile$61.794.5★1,224 rev
usmile C10 Portable Water Flosser for Travel 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Braces Implants & Sensitive Gums(Purple)
usmile$62.634.5★1,224 rev
usmile C30 Cordless Water Flosser 300ml Large Tank 5 Pressure Levels Deep Clean S-Shaped Nozzles for Braces & Sensitive Gums USB-C Rechargeable IPX7 Waterproof Portable Travel & Home Use(Pink)
usmile$69.444.8★144 rev
usmile C30 Cordless Water Flosser 300ml Large Tank 5 Pressure Levels Deep Clean S-Shaped Nozzles for Braces & Sensitive Gums USB-C Rechargeable IPX7 Waterproof Portable Travel & Home Use(Pink)
usmile$78.994.3★49 rev
usmile C10 Portable Water Flosser Travel-Friendly 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Braces Implants & Sensitive Gums (Inkstone Black)
usmile$61.854.5★1,224 rev
Newest
by launch dateusmile C30 Cordless Water Flosser 300ml Large Tank 5 Pressure Levels Deep Clean S-Shaped Nozzles for Braces & Sensitive Gums USB-C Rechargeable IPX7 Waterproof Portable Travel & Home Use(Pink)
usmile$69.44144 rev
usmile C30 Cordless Water Flosser 300ml Large Tank 5 Pressure Levels Deep Clean S-Shaped Nozzles for Braces & Sensitive Gums USB-C Rechargeable IPX7 Waterproof Portable Travel & Home Use(Pink)
usmile$78.9949 rev
usmile C10 Portable Water Flosser for Travel 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Braces Implants & Sensitive Gums(Purple)
usmile$62.631,224 rev
usmile C10 Portable Water Flosser Travel-Friendly 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Braces Implants & Sensitive Gums (Inkstone Black)
usmile$61.851,224 rev
usmile C10 Portable Water Flosser for Travel 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Braces Implants & Sensitive Gums (Blue)
usmile$61.791,224 rev
Trending
90-day click momentumusmile C30 Cordless Water Flosser 300ml Large Tank 5 Pressure Levels Deep Clean S-Shaped Nozzles for Braces & Sensitive Gums USB-C Rechargeable IPX7 Waterproof Portable Travel & Home Use(Pink)
usmile$69.444.8★
usmile C10 Portable Water Flosser for Travel 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Braces Implants & Sensitive Gums(Purple)
usmile$62.634.5★
usmile C30 Cordless Water Flosser 300ml Large Tank 5 Pressure Levels Deep Clean S-Shaped Nozzles for Braces & Sensitive Gums USB-C Rechargeable IPX7 Waterproof Portable Travel & Home Use(Pink)
usmile$78.994.3★
MySmile LP221 Cordless Water Flossers for Teeth with UVC Light Sanitizer and OLED Display 335ML 4 Modes Water Teeth Cleaner Picks for Teeth Cleaning and Water Flossing (Midnight Black)
MySmile$58.474.3★
usmile C10 Portable Water Flosser for Travel 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Braces Implants & Sensitive Gums (Blue)
usmile$61.794.5★
What buyers say about usmile water flosser
What buyers praise and complain about, mined from review topics.What buyers love
“Ease of use”
“Easy to clean”
“Excellent product”
“Higher efficiency works good”
“easy to charge”
“Battery life is long”
“Worth every penny”
“Compact, Powerful, and Easy to Keep Using”
“I found what i was looking for”
“the design is beautiful”
What buyers complain about
“Dont even last a year”
“I could not get it to turn on after charging”
“Definitely not worth the price”
“Its a bit bigger than what i thought”
“got up the next morning the tank was cracked so bad it doesn't hold water”
“Plastic is either too brittle or poor quality”
“not useful”
“not made well”
“that one is messy”
“It worked just leaked a bit too much for my liking”
Top return reasons
Common questions
- Is usmile water flosser profitable to sell on Amazon United States?
- The niche generates $629K/yr across 6 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -26.0%. Flapen's verdict: Skip it (41/100).
- How competitive is the usmile water flosser niche?
- 2 brands and 5 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in usmile water flosser?
- Top complaints mined from reviews: Durability, Charging, Value For Money. The return rate is 2.1%.
- When does demand for usmile water flosser peak?
- Demand peaks in Nov–Dec; the busiest month runs 2.5× the quietest.
- What does it cost to enter the usmile water flosser niche?
- Listings span $58.47–$78.99; the average listing price is $65.53 (sweet spot $15–$100). The average incumbent carries 2,841 reviews — the moat a new listing must climb.