My Smile Water Flosser
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$56.04avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Returns
Great1.9%return rate — above 5% kills the launch gate
Price range
Good$22.86–$144.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good4.0%search→purchase rate — share of searches ending in a sale
Growth
Bad-4.6%90-day search growth — must beat 0% to launch
Review moat
Bad11,167.89avg incumbent reviews — the moat a new listing must climb
Market size
Bad$61K$61K/yr · 27K searches
Competition
Bad85%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Is my smile water flosser profitable on Amazon?
According to Flapen's Amazon United States niche tracking, my smile water flosser is a $61K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Dec. Verdict: Skip it — 37/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
my smile water flosser market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 1K–2K
- avg 100–250/product
- Revenue / yr
- $70K–$84K
- units × avg price
- Conversion rate
- 4.0%
- Avg BSR
- #139
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 8.5%
- Avg brand age
- 33 months
- Avg seller age
- 183 days
Competition: brands, sellers & click share
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 rising
Sellers
13
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
85%
Top 20: 100%
Open market
0%
- MySmile93%
- COSLUS4%
- Onlyone3%
- Open — no brand owns it (0%)
my smile water flosser demand & seasonality
Weekly Amazon search volume, last 96 weeks — -4.6% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.5×
Top my smile water flosser search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- my smile water flosser14K/yr
- mysmile water flosser12K/yr
- water flosser mysmile959/yr
Top my smile water flosser 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.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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★13,183 rev
MySmile LP211 Cordless Water Flossers Portable Rechargeable Oral Irrigator for Teeth Cleaning 5 Cleaning Modes IPX7 Waterproof 8 Replacement Tips and a Storage Pouch (Midnight Black)
MySmile$43.184.0★562 rev
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 (Juicy Pink)
MySmile$56.454.3★13,183 rev
MySmile LP211 Cordless Water Flossers Portable Rechargeable Oral Irrigator for Teeth Cleaning 5 Cleaning Modes IPX7 Waterproof 8 Replacement Tips and a Storage Pouch (Juicy Pink)
MySmile$42.764.0★562 rev
MySmile LP211 Water Flosser Cordless for Teeth 5 Modes Portable Oral Irrigator 260ML Water Dental Picks for Sensitive Teeth Cleaning IPX7 Travel Rechargeable Water Flossing &2 Teeth Wipes
MySmile$48.334.3★28 rev
Newest
by launch dateMySmile LP211 Water Flosser Cordless for Teeth 5 Modes Portable Oral Irrigator 260ML Water Dental Picks for Sensitive Teeth Cleaning IPX7 Travel Rechargeable Water Flossing &2 Teeth Wipes
MySmile$48.3328 rev
MySmile LP211 Cordless Water Flossers Portable Rechargeable Oral Irrigator for Teeth Cleaning 5 Cleaning Modes IPX7 Waterproof 8 Replacement Tips and a Storage Pouch (Midnight Black)
MySmile$43.18562 rev
MySmile LP211 Cordless Water Flossers Portable Rechargeable Oral Irrigator for Teeth Cleaning 5 Cleaning Modes IPX7 Waterproof 8 Replacement Tips and a Storage Pouch (Juicy Pink)
MySmile$42.76562 rev
MySmile LP233 Pro UVC Sterilizable Countertop Water flossers for Teeth 800ML Digital Display Electric Oral Irrigator with a Water Filter 3 Modes and 6 Jet Tips (Graphite Grey)
MySmile$144.95398 rev
Onlyone Rechargeable Cordless Water Flosser with Adjustable Water Pressure for Daily Oral Care Power Dental Flosser for Home and Travel Use Portable Oral Irrigator for Sensitive Gums and Braces Care
Onlyone$22.867,891 rev
Trending
90-day click momentumMySmile LP211 Water Flosser Cordless for Teeth 5 Modes Portable Oral Irrigator 260ML Water Dental Picks for Sensitive Teeth Cleaning IPX7 Travel Rechargeable Water Flossing &2 Teeth Wipes
MySmile$48.334.3★
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 (Juicy Pink)
MySmile$56.454.3★
MySmile LP211 Cordless Water Flossers Portable Rechargeable Oral Irrigator for Teeth Cleaning 5 Cleaning Modes IPX7 Waterproof 8 Replacement Tips and a Storage Pouch (Juicy Pink)
MySmile$42.764.0★
MySmile LP233 Pro UVC Sterilizable Countertop Water flossers for Teeth 800ML Digital Display Electric Oral Irrigator with a Water Filter 3 Modes and 6 Jet Tips (Graphite Grey)
MySmile$144.954.2★
COSLUS ADA Accepted Water Dental Flosser Teeth Pick C20: Portable Cordless Oral Irrigator 300ML Rechargeable Travel Irrigation Cleaner IPX7 Waterproof Electric Flossing Machine Professional Set Black
COSLUS$30.194.4★
What reviews say buyers love and hate about my smile water flosser
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality is solid”
“Great deal”
“easy to hold”
“Charge lasts forever”
“Effective operation of the tool”
“Just what I needed”
“great cleaning”
“Battery life is amazing”
“Multiple attachments”
“easy to clean”
What buyers complain about
“Durability issues”
“Doesnt charge”
“Poor Battery Life”
“Hard to hold”
“Doesn't work right”
“Absolute piece of garbage”
“Leaking”
“Does not clean at all”
“Water capacity is a little small”
“Small”
Top return reasons
Common my smile water flosser questions
- Is my smile water flosser profitable to sell on Amazon United States?
- The niche generates $61K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -4.6%. Flapen's verdict: Skip it (37/100).
- How competitive is the my smile water flosser niche?
- 3 brands and 13 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in my smile water flosser?
- Top complaints mined from reviews: Durability, Charging, Battery Life. The return rate is 1.9%.
- When does demand for my smile water flosser peak?
- Demand peaks in Dec; the busiest month runs 1.5× the quietest.
- What does it cost to enter the my smile water flosser niche?
- Listings span $22.86–$144.95; the average listing price is $56.04 (sweet spot $15–$100). The average incumbent carries 11,168 reviews — the moat a new listing must climb.