---
title: "Big Toothbrush — $103K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/big-toothbrush"
last_updated: "2026-08-10T02:42:16.538Z"
locale: en
meta:
description: "Niche score 49/100 · $103K/yr market · 233K searches/yr · $11.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $103K/yr market · 233K searches/yr · $11.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Big Toothbrush — $103K/yr Amazon US Niche (2026) - Flapen"
---
# **big toothbrush**
**Skip it**
Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.
Market size 25Growth 38Conversion 48Competition 77Returns 98Price range 71Avg price 46Brand share 15Review moat 47Quality gap 38
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Price range**
**Good****$2.31–$46.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,753.44**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Okay****$11.57**
avg listing price — sweet spot $15–$100
**Growth**
**Okay****+10.4%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$103K**
$103K/yr · 233K searches
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, big toothbrush is a $103K/yr Amazon United States market (233K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Sep. Verdict: Skip it — 49/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **big toothbrush market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **$174K–$231K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#317**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **85%**
- **Out of stock**
- **0.6%**
- **Avg brand age**
- **46 months**
- **Avg seller age**
- **141 days**
## **Competition & brand share**
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
**Brands**
**11 **—flat
**Sellers**
**632**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**38%**
Top 20: 74%
**Open market**
**4%**
- RADIUS64% - GuruNanda16% - ZGYXQXJT8% - DR PERFECT3% - Lingito3% - DR.EMMET2% - Open — no brand owns it (5 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +10.4% search growth over the last 90 days.
10K6KSpike '24Prime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/us/health-household/big-toothbrush/trend)
## **Top big toothbrush search terms**
- **radius toothbrush**86K/yr-3.5%6.4% conv. - **radius**54K/yr+90.6%0.3% conv. - **large toothbrush**13K/yr-2.8%5.0% conv. - **big toothbrush**14K/yr-11.0%4.3% conv. - **wide toothbrush**8K/yr+8.4%3.9% conv. - **colgate total plaque removal toothbrush**14K/yr-34.3%5.0% conv. - **large head toothbrush**6K/yr+15.4%4.3% conv. - **guru nanda gentle giant toothbrush**6K/yr-14.2%15.1% conv. - **gentle giant toothbrush**7K/yr-47.8%10.9% conv. - **wide head toothbrush**4K/yr-7.1%3.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/big-toothbrush/search-terms)
## **Top big toothbrush 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%$4K8%$8K12%$12K16%$17K101001K10K 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**GuruNanda Gentle Giant Toothbrush with Dual Action Flossing Spiral Bristles Non-Slip Ergo Dexa Grip Helps in Teeth Whitening BPA Free Manual Toothbrushes Assorted Colors 4 Count**GuruNanda**$4.28**4.7★3,234 rev](https://www.amazon.com/dp/B0BSN45HN4) [2**RADIUS Toothbrush Original Big Brush & Case Right Handed Clear Brush with Clear Case BPA Free ADA Accepted**RADIUS**$9.05**4.4★880 rev](https://www.amazon.com/dp/B08P79Y2VG) [3**ZGYXQXJT Adult Wide Head Soft Hair Toothbrush Manual Toothbrush Excellent Cleaning Effect for Large Head Ultra Soft Brush Thread Can Gum-Friendly(6 Pack)**ZGYXQXJT**$10.14**4.7★160 rev](https://www.amazon.com/dp/B0GVDPY1R1) [4**RADIUS Toothbrush Original Big Brush BPA Free and ADA Accepted Right Hand Blue Brush and Blue Case**RADIUS**$9.10**4.4★880 rev](https://www.amazon.com/dp/B08P79C78R) [5**RADIUS Totz Toothbrush Extra Soft Brush BPA Free & ADA Accepted Designed for Delicate Teeth & Gums for Children 18 Months & Up - Purple Pink Coral - Pack of 3**RADIUS**$12.18**4.7★6,200 rev](https://www.amazon.com/dp/B07QFZX8ZJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ZGYXQXJT Adult Wide Head Soft Hair Toothbrush Manual Toothbrush Excellent Cleaning Effect for Large Head Ultra Soft Brush Thread Can Gum-Friendly(6 Pack)**ZGYXQXJT**$10.14**160 rev3mo ago](https://www.amazon.com/dp/B0GVDPY1R1) [**GuruNanda Floss Fusion Toothbrush with Dual Action Soft Flossing Bristles Ultra-fine Tapered Bristles for Deeper Cleaning BPA & PFAS-Free Manual Toothbrushes Assorted Colors 8 Count**GuruNanda**$12.21**67 rev5mo ago](https://www.amazon.com/dp/B0GJ5KHB8H) [**Lingito Smokers Toothbrush Wide-Head Extra-Firm Hard-Bristle Oral Care for Tough Stains Deep-Cleaning Manual Brush for Coffee & Tobacco-Stained Teeth Premium Stain Removal & Brightening - (2 Pack)**Lingito**$8.92**112 rev1y ago](https://www.amazon.com/dp/B0DQ8TDBK9) [**DR.EMMET Big Head Manual Toothbrush - 5 Pack Ultra Soft Bristle Toothbrushes for Adults Extra Soft Flossing Toothbrush for Sensitive Teeth**DR.EMMET**$9.02**92 rev1y ago](https://www.amazon.com/dp/B0D9XKMGZG) [**Geacker Extra Soft Toothbrush for Adults with Wide Head Ultra Soft Nano Bristles Gentle Manual Toothbrush with Cover for Sensitive Teeth and Gums 6 Pack Multi-Color for Travel and Daily Use**Geacker**$9.95**648 rev2y ago](https://www.amazon.com/dp/B0CLH9LWZ5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**GuruNanda Floss Fusion Toothbrush with Dual Action Soft Flossing Bristles Ultra-fine Tapered Bristles for Deeper Cleaning BPA & PFAS-Free Manual Toothbrushes Assorted Colors 8 Count**GuruNanda**$12.21**4.5★**▲ 297%**](https://www.amazon.com/dp/B0GJ5KHB8H) [**ZGYXQXJT Adult Wide Head Soft Hair Toothbrush Manual Toothbrush Excellent Cleaning Effect for Large Head Ultra Soft Brush Thread Can Gum-Friendly(6 Pack)**ZGYXQXJT**$10.14**4.7★**▲ 271%**](https://www.amazon.com/dp/B0GVDPY1R1) [**Radius Totz Toothbrush Extra Soft Brush BPA Free & ADA Accepted Designed for Delicate Teeth & Gums for Children 18 Months & Up - Yellow Sparkle - Pack of 1**RADIUS**$4.43**4.7★**▲ 181%**](https://www.amazon.com/dp/B08BTT1NJ6) [**RADIUS Totz Toothbrush Extra Soft Brush BPA Free & ADA Accepted Designed for Delicate Teeth & Gums for Children 18 Months & Up - Purple Pink Coral - Pack of 3**RADIUS**$12.18**4.7★**▲ 134%**](https://www.amazon.com/dp/B07QFZX8ZJ) [**RADIUS Toothbrush Original Big Brush BPA Free and ADA Accepted Right Hand Blue Brush and Blue Case**RADIUS**$9.10**4.4★**▲ 100%**](https://www.amazon.com/dp/B08P79C78R)
**~~View all trending →~~**
## **What buyers say about big toothbrush**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**18%
*“Excellent value”*
**Quality-Overall**13%
*“appear well made”*
**Soft Feel**11%
*“Bristles are soft”*
**Brush Quality**11%
*“Soft brush”*
**Ease Of Cleaning**5%
*“Cleans Really Well”*
**Tooth Brightening**4%
*“My teeth are whiten even more 100%”*
**Ease Of Use**4%
*“easy to replace often”*
**Comfort-Overall**4%
*“So comfortable”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Color**4%
*“Super vibrant colors”*
### **What buyers complain about **
**Size-Overall**19%
*“Huge”*
**Quality-Overall**11%
*“Poor quality”*
**Hard Feel**10%
*“Soft is NOT soft”*
**Strength**6%
*“Kind of flimsy”*
**Ease Of Cleaning**6%
*“they just cant get the teeth that clean”*
**Durability**4%
*“The bristles start falling out right away”*
**Ease Of Use**3%
*“very large is hard to get into the crevices of my teeth”*
**Design-Overall**3%
*“I was immediately concerned by the lack of ergonomic design- from the thin bendy handle to the lack of bristle density”*
**Color**2%
*“Sent me the wrong colors”*
**Value For Money**2%
*“This toothbrush is more expensive”*
### **Top return reasons **
**Size-Overall**38%
**Advertised Vs Actual Product**17%
**Hard Feel**7%
**Product Condition**5%
**Quality-Overall**4%
**Color**4%
**Defective Material/Parts**3%
**Value For Money**3%
**Leak-Proof**2%
**Comfort-Overall**2%
## **Common questions**
- **Is big toothbrush profitable to sell on Amazon United States?**
- The niche generates $103K/yr across 48 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +10.4%. Flapen's verdict: Skip it (49/100).
- **How competitive is the big toothbrush niche?**
- 11 brands and 632 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in big toothbrush?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Hard Feel. The return rate is 0.3%.
- **When does demand for big toothbrush peak?**
- Demand peaks in Sep; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the big toothbrush niche?**
- Listings span $2.31–$46.79; the average listing price is $11.57 (sweet spot $15–$100). The average incumbent carries 1,753 reviews — the moat a new listing must climb.
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