---
title: "Sulcabrush — $273K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/sulcabrush"
last_updated: "2026-08-11T05:04:59.359Z"
locale: en
meta:
description: "Niche score 53/100 · $273K/yr market. Brand-locked demand (top 5 brands take 91% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $273K/yr market. Brand-locked demand (top 5 brands take 91% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Sulcabrush — $273K/yr Amazon US Niche (2026) - Flapen"
---
# **sulcabrush**
**Worth a look**
Shows low returns (0.5%), but brand-locked demand (top 5 brands take 91% of clicks) keeps it on the watch list.
Market size 50Growth 37Conversion 89Competition 32Returns 97Price range 53Avg price 56Brand share 22Review moat 41Quality gap 70
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.5%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$12.71**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$4.62–$26.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Okay****$273K**
$273K/yr · 204K searches
**Review moat**
**Okay****2,398.44**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+9.9%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****66%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, sulcabrush is a $273K/yr Amazon United States market (204K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Feb–Mar–Apr–May–Jun. Verdict: Worth a look — 53/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **sulcabrush market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$254K–$318K**
- units × avg price
- **Conversion rate**
- **10.5%**
- **Avg BSR**
- **#111**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **147 days**
## **Competition & brand share**
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**9 **▲rising
**Sellers**
**30**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**66%**
Top 20: 100%
**Open market**
**6%**
- GUM72% - VeriFresh7% - Fregum5% - DenTek4% - Gsbnjuy3% - SMILE SAVER3% - Open — no brand owns it (3 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +9.9% search growth over the last 90 days.
5K3KSpike '24Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Mar, Apr, May, Jun · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/health-household/sulcabrush/trend)
## **Top sulcabrush search terms**
- **gum stimulator**44K/yr+29.9%11.7% conv. - **gum massager**23K/yr+24.4%5.4% conv. - **sulcabrush**35K/yr-1.7%3.3% conv. - **gum stimulator - rubber tip stimulator**30K/yr+8.0%13.4% conv. - **rubber tip dental gum stimulator**15K/yr-18.4%11.1% conv. - **gum massager for receding gums**15K/yr-7.5%5.2% conv. - **rubber tip gum stimulator**7K/yr+50.3%9.8% conv. - **gum stimulator tool**15K/yr-4.7%5.7% conv. - **gum massagers for teeth**8K/yr+2.0%2.6% conv. - **sulcus brush**4K/yr+5.9%1.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/sulcabrush/search-terms)
## **Top sulcabrush 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%10%$27K20%$55K30%$82K40%$109K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**GUM Stimulator Permanent Handle with Rubber Tip Long-Handled Stimulator & Plaque Remover for Teeth Health 1 Handle + 2 Refill Packs**GUM**$10.01**4.6★1,626 rev](https://www.amazon.com/dp/B0C86CGH5P) [2**GUM Stimulator 1 Each (Pack of 4)**GUM**$14.84**4.7★769 rev](https://www.amazon.com/dp/B01IADWLUK) [3**GUM Stimulator Permanent Handle with 1 Rubber Tip Long-Handled Gum Massager & Plaque Remover for Teeth and Gum Health 1 Count**GUM**$5.68**4.7★4,478 rev](https://www.amazon.com/dp/B01M9K8TBW) [4**GUM Stimulator Permanent Handle with 1 Rubber Tip Long-Handled Massager & Plaque Remover for Teeth Health 1 Count (Pack of 6)**GUM**$18.90**4.7★4,478 rev](https://www.amazon.com/dp/B07KPZRKY6) [5**GUM Stimulator Refills - 3 Rubber Tips Included - Compatible with The Stimulator Permanent Handle - Massager Plaque Removal Health 3 Count (Pack of 1)**GUM**$4.62**4.5★2,276 rev](https://www.amazon.com/dp/B000052Y9Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fregum 6 Pack Gum Stimulator-Rubber Tip Stimulator with Covers Gum Massager Plaque Remover & Cleaner with Ergonomic Handle for Receding Gums and Oral Health**Fregum**$11.14**94 rev2mo ago](https://www.amazon.com/dp/B0GTLQFDCD) [**Gsbnjuy 6 Pcs Soft Interdental Brushes Small-Head Orthodontic Toothbrush Teeth Detail Cleaning Brush Toothbrush with Interdental and Teeth Brush Heads for Two in One Double Brace Single**Gsbnjuy**$6.73**31 rev10mo ago](https://www.amazon.com/dp/B0FPR5C1CM) [**SMILE SAVER 360 Therapeutic Gum Massage for Bleeding Gums Sensitivity TMJ & Bruxism Smile Anti-Aging: Spa Treatment for Your Smile Morning Massage for Healthy Gums - Made in America**SMILE SAVER**$22.44**3 rev1y ago](https://www.amazon.com/dp/B0FFB4YQPZ) [**Tondiamo 10 Pcs Gum Stimulator Dental Tools Dental Plaque Remover Rubber Tip Stimulator for Cleaning Teeth Tartar**Tondiamo**$8.90**81 rev2y ago](https://www.amazon.com/dp/B0CRPM2W5H) [**GUM Stimulator Permanent Handle with Rubber Tip Long-Handled Stimulator & Plaque Remover for Teeth Health 1 Handle + 2 Refill Packs**GUM**$10.01**1,626 rev3y ago](https://www.amazon.com/dp/B0C86CGH5P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fregum 6 Pack Gum Stimulator-Rubber Tip Stimulator with Covers Gum Massager Plaque Remover & Cleaner with Ergonomic Handle for Receding Gums and Oral Health**Fregum**$11.14**4.4★**▲ 271%**](https://www.amazon.com/dp/B0GTLQFDCD) [**SMILE SAVER 360 Therapeutic Gum Massage for Bleeding Gums Sensitivity TMJ & Bruxism Smile Anti-Aging: Spa Treatment for Your Smile Morning Massage for Healthy Gums - Made in America**SMILE SAVER**$22.44**3.5★**▲ 137%**](https://www.amazon.com/dp/B0FFB4YQPZ) [**Gsbnjuy 6 Pcs Soft Interdental Brushes Small-Head Orthodontic Toothbrush Teeth Detail Cleaning Brush Toothbrush with Interdental and Teeth Brush Heads for Two in One Double Brace Single**Gsbnjuy**$6.73**4.4★**▲ 91%**](https://www.amazon.com/dp/B0FPR5C1CM) [**GUM Stimulator Permanent Handle with 1 Rubber Tip Long-Handled Gum Massager & Plaque Remover for Teeth and Gum Health 1 Count**GUM**$5.68**4.7★**▲ 33%**](https://www.amazon.com/dp/B01M9K8TBW) [**GUM Stimulator Refills - 3 Rubber Tips Included - Compatible with The Stimulator Permanent Handle - Massager Plaque Removal Health 3 Count (Pack of 1)**GUM**$4.62**4.5★**▲ 32%**](https://www.amazon.com/dp/B000052Y9Y)
**~~View all trending →~~**
## **What buyers say about sulcabrush**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“The piece itself is well-made”*
**Value For Money**13%
*“Great deal”*
**Oral Hygiene**12%
*“Definitely recommend for better oral hygiene”*
**Advertised Vs Actual Product**9%
*“Works as expected”*
**Ease Of Use**9%
*“Easy to use”*
**Efficiency**6%
*“Effective”*
**Brush Quality**4%
*“I brush my teeth well”*
**Size-Overall**4%
*“Good fit,”*
**Strength**3%
*“The mirror is clear, and the pick and scaler feel sturdy and precise”*
**Ease Of Cleaning**3%
*“over time was able to clean up really good on my own”*
### **What buyers complain about **
**Size-Overall**13%
*“Doesnt fit”*
**Hard Feel**9%
*“Rough material”*
**Durability**9%
*“they come off with use”*
**Quality-Overall**9%
*“Horrible quality”*
**Ease Of Use**8%
*“Unusable”*
**Strength**7%
*“even feel flimsy”*
**Functionality-Overall**5%
*“Didn't work for me”*
**Ease Of Cleaning**5%
*“no matter what I did with a regular toothbrush it did not get that part clean like these”*
**Value For Money**4%
*“Waste of money”*
**Sharpness**4%
*“The scraper has sharp edges on all side including backside so it can be rough on the gums when scraping tooth surface”*
### **Top return reasons **
**Size-Overall**19%
**Advertised Vs Actual Product**18%
**Functionality-Overall**10%
**Material Quality**6%
**Quality-Overall**5%
**Sharpness**5%
**Strength**5%
**Value For Money**5%
**Product Condition**4%
**Oral Hygiene**3%
## **Common questions**
- **Is sulcabrush profitable to sell on Amazon United States?**
- The niche generates $273K/yr across 16 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +9.9%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the sulcabrush niche?**
- 9 brands and 30 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in sulcabrush?**
- Top complaints mined from reviews: Size-Overall, Hard Feel, Durability. The return rate is 0.5%.
- **When does demand for sulcabrush peak?**
- Demand peaks in Feb–Mar–Apr–May–Jun; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the sulcabrush niche?**
- Listings span $4.62–$26.62; the average listing price is $12.71 (sweet spot $15–$100). The average incumbent carries 2,398 reviews — the moat a new listing must climb.
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