Water Flosser
MaybeShoppers spend an estimated $6.8M a year here. But demand is soft, at -13.1% this quarter, so Water Flosser is a Maybe.
- Flapen Score
- 60 / 100Top 9% of 2,035 Health & Personal Care niches · +12 vs the category median of 4860
- Market size
- £6.8M/yr3.0M searches / yr
- 90-day growth
- -13.1%search demand this quarter
- Competition
- 73%top-5 click share · 7 brands · 49 sellers
Flapen Score
Water Flosser against its category
The dotted line is the Health & Personal Care average. Past it, Water Flosser is stronger. Inside it, weaker.
Market
The Water Flosser market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Water Flosser 3.0M times last year and spent an estimated £6.8M. The top 5 brands take 77% of clicks. Demand peaks in Nov–Dec. Flapen scores it 60 out of 100, a Maybe.
01 · Demand
An estimated 8.7% of those searches ended in a purchase.
Shoppers searched for this 3.0M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 8.7% of those searches ended in a purchase. Searches in the last 90 days moved -13.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £6.8M a year.
- Searches, last 12 months
- 3.0M
- Growth, 90 days vs prior 90
- -13.1%
- Conversion, latest week
- 8.7%
- Market size, estimated
- £6.8Ma year
- Peak month
- December1.9× the quietest month
- Top search term
- water flosser2.2M searches a year
02 · Price
A sale here is worth £26.48.
Listings sell for £26.48 on average, from £14.40 to £57.20. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 10,000 to 12,500 of them. At £26.48 that is £265K to £331K a year per listing.
- Average price
- £26.48inside the $15 to $100 sweet spot
- Price range
- £14.40–£57.20
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 200K–250K
- Units per listing a year
- 10,000–12,500
- Revenue per listing a year
- £265K–£331K
- Returns
- 1.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.7% of listings are out of stock. The average listing ranks #11 within Dental Care. It carries 9,121 reviews at 4.39 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 100%
- Out of stock, average day
- 5.7%
- Average rank
- #11in Dental Care
- Average rating
- 4.39 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 9,121per listing
- Listings tracked
- 14
04 · Newcomers
3 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 31 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 3
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 31 months
Products
Top Water Flosser products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
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)
- Price
- £21.45
- Rating
- 4.3/5
- Reviews
- 28,728
- Age
- 3y ago

COSLUS Water Dental Flosser for Teeth Cordless: Portable Oral Irrigator 300ML 5 Jet Tips Rechargeable Tooth Flosser Teeth Braces Pick IPX7 Waterproof Irrigation Cleaner for Travel Home
- Price
- £16.71
- Rating
- 4.3/5
- Reviews
- 46,279
- Age
- 2y ago

RUMFFLYE Water Flosser for Teeth Cordless with 3 Modes 12 Pressure Levels Dental Water Flosser 300ML 5 Jet Tips IPX7 Waterproof Irrigator USB Electric Flosser for Travel Home Black
- Price
- £16.29
- Rating
- 4.5/5
- Reviews
- 1,573
- Age
- 8mo ago

RUMFFLYE Water Flosser for Teeth Cordless Water Pick 4 Modes 12 Levels Dental Water Flosser 30OML 5 Jet Tips IPX7 Electric Flosser for Teeth Cleaning Rechargeable Oral Irrigator Dental for Travel Home
- Price
- £17.40
- Rating
- 4.5/5
- Reviews
- 1,573
- Age
- 9mo ago

COSLUS Portable Water Flosser for Teeth: 3 Modes & 18 Pressure Settings with Jet Mode Water Dental Pick for Orthodontic Braces Sensitive Gums Compact for Travel 300ML for Multiple Users Black C51
- Price
- £16.18
- Rating
- 4.4/5
- Reviews
- 2,680
- Age
- 1y ago
Trending
estimated 90-day click momentum
Water Flossers for Teeth Cordless 4 Modes Oral Irrigator Dental Rechargeable Electric Tooth Flosser with 8 Jet Tips 300 ML Tank Waterproof Dental Water Flosser for Oral Cleaning and Braces Care
- Price
- £16.11
- Rating
- 4.7/5
- Reviews
- 86
- Age
- 1mo ago

RUMFFLYE Water Flosser for Teeth Cordless Water Pick 4 Modes 12 Levels Dental Water Flosser 30OML 5 Jet Tips IPX7 Electric Flosser for Teeth Cleaning Rechargeable Oral Irrigator Dental for Travel Home
- Price
- £17.40
- Rating
- 4.5/5
- Reviews
- 1,573
- Age
- 9mo ago

usmile C10 Portable Water Flosser for Teeth Cordless Travel-Friendly 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Brace Implant & Sensitive Gum (Blue)
- Price
- £54.32
- Rating
- 4.5/5
- Reviews
- 1,323
- Age
- 1y ago

Philips Sonicare Cordless Power Flosser 3000 Oral Irrigator - Water Flosser for Teeth Gums and Dental Care White (Model HX3826/31)
- Price
- £56.78
- Rating
- 4.3/5
- Reviews
- 708
- Age
- 2y ago

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)
- Price
- £21.45
- Rating
- 4.3/5
- Reviews
- 28,728
- Age
- 3y ago
Newest
by launch date
Water Flossers for Teeth Cordless 4 Modes Oral Irrigator Dental Rechargeable Electric Tooth Flosser with 8 Jet Tips 300 ML Tank Waterproof Dental Water Flosser for Oral Cleaning and Braces Care
- Price
- £16.11
- Rating
- 4.7/5
- Reviews
- 86
- Age
- 1mo ago

RUMFFLYE Water Flosser for Teeth Cordless with 3 Modes 12 Pressure Levels Dental Water Flosser 300ML 5 Jet Tips IPX7 Waterproof Irrigator USB Electric Flosser for Travel Home Black
- Price
- £16.29
- Rating
- 4.5/5
- Reviews
- 1,573
- Age
- 8mo ago

RUMFFLYE Water Flosser for Teeth Cordless Water Pick 4 Modes 12 Levels Dental Water Flosser 30OML 5 Jet Tips IPX7 Electric Flosser for Teeth Cleaning Rechargeable Oral Irrigator Dental for Travel Home
- Price
- £17.40
- Rating
- 4.5/5
- Reviews
- 1,573
- Age
- 9mo ago

COSLUS Portable Water Flosser for Teeth: 3 Modes & 18 Pressure Settings with Jet Mode Water Dental Pick for Orthodontic Braces Sensitive Gums Compact for Travel 300ML for Multiple Users Black C51
- Price
- £16.18
- Rating
- 4.4/5
- Reviews
- 2,680
- Age
- 1y ago

usmile C10 Portable Water Flosser for Teeth Cordless Travel-Friendly 95-Day Battery 4 Modes 360 Nozzle 180ml Tank IPX7 Waterproof Dentist-Recommended for Brace Implant & Sensitive Gum (Blue)
- Price
- £54.32
- Rating
- 4.5/5
- Reviews
- 1,323
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 73% of clicks. A locked shelf that new listings rarely crack.
Brands
7 falling
Sellers
49
Est. top-5 brand share
77%
Top 20: 82%
Est. top-5 click share
73%
Top 20: 100%
Open market
5%
- HANGSUN46%
- --18%
- RUMFFLYE11%
- COSLUS11%
- PHILIPS5%
- Waterpik4%
- Open — no brand owns it (1 brand, 5%)
Demand
Water Flosser search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Nov, Dec · busiest ÷ quietest = 1.9×
Search terms
Top Water Flosser search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- water flosser2.2M/yr
- water flossers for teeth cordless145K/yr
- flosser69K/yr
- water floss50K/yr
- water pick flosser34K/yr
- electric flosser32K/yr
- flossers for teeth76K/yr
- water pick43K/yr
- dental water flosser32K/yr
- water flosser amazon24K/yr
Reviews and returns
What reviews say buyers love and hate about Water Flosser
We read the reviews and the return reasons for every product selling here.
“Didnt last”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Water Flosser questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









