---
title: "Waterpik Toothbrush Replacement Heads — $135K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/waterpik-toothbrush-replacement-heads"
last_updated: "2026-08-09T21:43:47.081Z"
locale: en
meta:
description: "Niche score 47/100 · $135K/yr market · 98K searches/yr · $17.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $135K/yr market · 98K searches/yr · $17.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Waterpik Toothbrush Replacement Heads — $135K/yr Amazon US Niche (2026) - Flapen"
---
# **waterpik toothbrush replacement heads**
**Skip it**
Soft demand (-11.5% this quarter) — this niche doesn't clear our bar today.
Market size 30Growth 19Conversion 78Competition 49Returns 82Price range 82Avg price 81Brand share 30Review moat 32Quality gap 38
**Returns**
**Great****1.7%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$8.89–$47.25**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$17.57**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.8%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,296.93**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$135K**
$135K/yr · 98K searches
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-11.5%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, waterpik toothbrush replacement heads is a $135K/yr Amazon United States market (98K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 47/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **waterpik toothbrush replacement heads market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **$141K–$176K**
- units × avg price
- **Conversion rate**
- **7.8%**
- **Avg BSR**
- **#246**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 94%
**Open market**
**10%**
- Waterpik43% - Fregum18% - FitMount13% - ZoCCee8% - WEQNNM5% - Oralphi3% - Open — no brand owns it (8 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.5% search growth over the last 90 days.
3K2KSpike '24Holiday '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/waterpik-toothbrush-replacement-heads/trend)
## **Top waterpik toothbrush replacement heads search terms**
- **waterpik toothbrush replacement heads**36K/yr-1.2%7.8% conv. - **waterpik brush heads**12K/yr-9.5%8.5% conv. - **waterpik toothbrush heads**14K/yr-29.7%7.5% conv. - **waterpik replacement brush heads**8K/yr-9.3%7.8% conv. - **waterpik toothbrush replacement**6K/yr-8.7%3.0% conv. - **waterpik brushes replacement heads**4K/yr-5.5%9.2% conv. - **waterpik replacement toothbrush**5K/yr-21.4%4.8% conv. - **waterpik replacement heads toothbrush**6K/yr-23.8%6.9% conv. - **waterpik replacement brushes**3K/yr-35.9%7.1% conv. - **waterpik replacement toothbrush heads**3K/yr-12.8%10.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/waterpik-toothbrush-replacement-heads/search-terms)
## **Top waterpik toothbrush replacement heads 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%4%$5K8%$11K12%$16K16%$22K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Waterpik Genuine Full Size Replacement Brush Heads With Covers for Sonic-Fusion Flossing Toothbrush SFFB-2EW 2 Count White**Waterpik**$22.30**4.7★10,661 rev](https://www.amazon.com/dp/B09K1SGFXW) [2**FitMount 6 Pack Toothbrush Replacement Heads Compatible with WaterPik Sonic Fusion 2.0 FitMount Flossing Brush Head Fit for Water-Pic SF-01W SF-02W and 2.0 SF-03 SF-04**FitMount**$18.68**4.5★2,252 rev](https://www.amazon.com/dp/B0C7VBQYF5) [3**Waterpik Triple Sonic Tooth Brush Heads Replacement Complete Care STRB-3WW 3 Count (Pack of 1) White**Waterpik**$19.38**4.6★11,757 rev](https://www.amazon.com/dp/B07CFD2ZDB) [4**Replacement Toothbrush Heads for Waterpik Complete Care 5.0/9.0 (CC-01/WP-862) with Covers 5 Count Black**Fregum**$14.94**4.5★1,121 rev](https://www.amazon.com/dp/B0BD4HNKQ4) [5**Replacement Toothbrush Heads for Waterpik Complete Care 5.0/9.0 (CC-01/WP-861) with Covers 5 Count White**Fregum**$14.81**4.5★1,121 rev](https://www.amazon.com/dp/B0BCK5C912)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Replacement Heads for Waterpik Sonic Fusion 2.0 Extra-Large Size Flossing Toothbrush Head fit for Water pik SF-01 SF-02 SF-03 SF-04 (White 5 Count)**ZoCCee**$19.44**447 rev1y ago](https://www.amazon.com/dp/B0F13SDYVX) [**Replacement Heads for WaterPik Sonic Fusion SF-01/SF-02/SF-03/SF-04 Replacement Brush Heads Compatible with WaterPik Sonic Fusion 2.0 Flossing Toothbrush with Cover**WEQNNM**$9.79**942 rev2y ago](https://www.amazon.com/dp/B0CT5K6DVB) [**6 Pack Replacement Replacement Brush Heads for - Flossing Toothbrush Compatible with Sonic Fusion SF01/SF02 and Sonic Fusion 2.0 SF03/SF04- White with Caps**CloudDent**$21.81**479 rev2y ago](https://www.amazon.com/dp/B0CSDCWF3F) [**3-Count Toothbrush Replacement Heads Compatible with Watepik Complete Care 5.0/9.0 (CC-01/WP-861) with Tongue Scraper STRB-3WW**AMILKME**$16.63**252 rev2y ago](https://www.amazon.com/dp/B0CDSD3NLP) [**Replacement Tips for Waterpik Water Flosser (6 Brush Head Tips & Storage Case Bundle)**Oralphi**$9.54**338 rev2y ago](https://www.amazon.com/dp/B0CC498SBS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Waterpik Genuine Compact Replacement Brush Heads With Covers for Sonic-Fusion Flossing Toothbrush SFRB-2EW 2 Count White**Waterpik**$18.88**4.7★**▲ 55%**](https://www.amazon.com/dp/B09K1RY9FQ) [**Waterpik Genuine Full Size Replacement Brush Heads With Covers for Sonic-Fusion Flossing Toothbrush SFFB-2EB 2 Count Black**Waterpik**$23.52**4.7★**▲ 48%**](https://www.amazon.com/dp/B09K1WYS8H) [**Replacement Toothbrush Heads for Waterpik Complete Care 9.0 & 5.0(8-pcs)**pisonicleara**$15.76**4.4★**▲ 44%**](https://www.amazon.com/dp/B0BR4TRW3Z) [**Toothbrush Replacement Heads for Waterpik Complete Care 5.0/9.0 (CC-01/WP-861) STRB-4WW (4-Pack White)**Oralphi**$14.47**4.5★**▲ 41%**](https://www.amazon.com/dp/B08DTW1Y5Q) [**Replacement Toothbrush Heads for Waterpik Complete Care 5.0/9.0 (CC-01/WP-861) with Covers 5 Count White**Fregum**$14.81**4.5★**▲ 36%**](https://www.amazon.com/dp/B0BCK5C912)
**~~View all trending →~~**
## **What buyers say about waterpik toothbrush replacement heads**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**30%
*“Fits perfect on my toothbrush”*
**Quality-Overall**13%
*“Excellent quality”*
**Value For Money**12%
*“Good price”*
**Advertised Vs Actual Product**9%
*“As Advertised”*
**Efficiency**7%
*“Works Well”*
**Brush Quality**4%
*“Great brushes”*
**Ease Of Use**3%
*“Very easy to use”*
**Compatibility-Overall**2%
*“Compatible & good value”*
**Oral Hygiene**2%
*“These toothbrushes fit perfectly best value for the bunny”*
**Functionality-Overall**2%
*“The replacement heads work great”*
### **What buyers complain about **
**Size-Overall**28%
*“The heads are much smaller”*
**Durability**13%
*“Doesnt last”*
**Value For Money**7%
*“Its on the expensive side”*
**Charging**5%
*“Charge did not work”*
**Compatibility-Overall**5%
*“Not compatible”*
**Functionality-Overall**4%
*“These don't do the job”*
**Advertised Vs Actual Product**4%
*“Not as described”*
**Quality-Overall**4%
*“Poor quality”*
**Water Resistance**3%
*“it vibrated and water came out”*
**Defective Material/Parts**2%
*“Defective brush heads”*
### **Top return reasons **
**Size-Overall**68%
**Compatibility-Overall**12%
**Advertised Vs Actual Product**5%
**Charging**3%
**Functionality-Overall**3%
**Defective Material/Parts**2%
**Add-Ons/Attachments**1%
**Quality-Overall**1%
**Color**1%
**Value For Money**1%
## **Common questions**
- **Is waterpik toothbrush replacement heads profitable to sell on Amazon United States?**
- The niche generates $135K/yr across 27 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.5%. Flapen's verdict: Skip it (47/100).
- **How competitive is the waterpik toothbrush replacement heads niche?**
- 14 brands and 27 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in waterpik toothbrush replacement heads?**
- Top complaints mined from reviews: Size-Overall, Durability, Value For Money. The return rate is 1.7%.
- **When does demand for waterpik toothbrush replacement heads peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the waterpik toothbrush replacement heads niche?**
- Listings span $8.89–$47.25; the average listing price is $17.57 (sweet spot $15–$100). The average incumbent carries 3,297 reviews — the moat a new listing must climb.
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