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.

big toothbrush

Skip it

Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Competition

Great38%

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

Okay3.8%

search→purchase rate — share of searches ending in a sale

Review moat

Okay1,753.44

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

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$103K

$103K/yr · 233K searches

Brand share

Bad94%

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

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

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.

Peak months: Sep · busiest ÷ quietest = 2.5×

Open Trend

Top big toothbrush search terms

radius toothbrush86K/yr -3.5%6.4% conv.
radius54K/yr +90.6%0.3% conv.
large toothbrush13K/yr -2.8%5.0% conv.
big toothbrush14K/yr -11.0%4.3% conv.
wide toothbrush8K/yr +8.4%3.9% conv.
colgate total plaque removal toothbrush14K/yr -34.3%5.0% conv.
large head toothbrush6K/yr +15.4%4.3% conv.
guru nanda gentle giant toothbrush6K/yr -14.2%15.1% conv.
gentle giant toothbrush7K/yr -47.8%10.9% conv.
wide head toothbrush4K/yr -7.1%3.0% conv.

All 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.

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

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$4.284.7★3,234 rev

RADIUS Toothbrush Original Big Brush & Case Right Handed Clear Brush with Clear Case BPA Free ADA Accepted

RADIUS$9.054.4★880 rev

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$10.144.7★160 rev

RADIUS Toothbrush Original Big Brush BPA Free and ADA Accepted Right Hand Blue Brush and Blue Case

RADIUS$9.104.4★880 rev

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$12.184.7★6,200 rev

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$10.14160 rev

3mo ago

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$12.2167 rev

5mo ago

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$8.92112 rev

1y ago

DR.EMMET Big Head Manual Toothbrush - 5 Pack Ultra Soft Bristle Toothbrushes for Adults Extra Soft Flossing Toothbrush for Sensitive Teeth

DR.EMMET$9.0292 rev

1y ago

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$9.95648 rev

2y ago

What buyers say about big toothbrush

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money18%

“Excellent value”

Quality-Overall13%

“appear well made”

Soft Feel11%

“Bristles are soft”

Brush Quality11%

“Soft brush”

Ease Of Cleaning5%

“Cleans Really Well”

Tooth Brightening4%

“My teeth are whiten even more 100%”

Ease Of Use4%

“easy to replace often”

Comfort-Overall4%

“So comfortable”

Advertised Vs Actual Product4%

“As advertised”

Color4%

“Super vibrant colors”

What buyers complain about

Size-Overall19%

“Huge”

Quality-Overall11%

“Poor quality”

Hard Feel10%

“Soft is NOT soft”

Strength6%

“Kind of flimsy”

Ease Of Cleaning6%

“they just cant get the teeth that clean”

Durability4%

“The bristles start falling out right away”

Ease Of Use3%

“very large is hard to get into the crevices of my teeth”

Design-Overall3%

“I was immediately concerned by the lack of ergonomic design- from the thin bendy handle to the lack of bristle density”

Color2%

“Sent me the wrong colors”

Value For Money2%

“This toothbrush is more expensive”

Top return reasons

Size-Overall38%

Advertised Vs Actual Product17%

Hard Feel7%

Product Condition5%

Quality-Overall4%

Color4%

Defective Material/Parts3%

Value For Money3%

Leak-Proof2%

Comfort-Overall2%

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.