Is 3 sided toothbrush profitable to sell on Amazon United States?

The niche generates $358K/yr across 16 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +111.3%. Flapen's verdict: Worth a look (56/100).

How competitive is the 3 sided toothbrush niche?

12 brands and 19 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in 3 sided toothbrush?

Top complaints mined from reviews: Durability, Charging, Size-Overall. The return rate is 1.8%.

When does demand for 3 sided toothbrush peak?

Demand peaks in May–Jun; the busiest month runs 3.2× the quietest.

What does it cost to enter the 3 sided toothbrush niche?

Listings span $5.54–$276.07; the average listing price is $42.12 (sweet spot $15–$100). The average incumbent carries 10,103 reviews — the moat a new listing must climb.

3 sided toothbrush

Worth a look

Shows demand growing +111.3% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+111.3%

90-day search growth — must beat 0% to launch

Avg price

Incredible$42.12

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Returns

Great1.8%

return rate — above 5% kills the launch gate

Market size

Good$358K

$358K/yr · 413K searches

Brand share

Okay84%

top-5 brand share — brands hold most of the demand

Price range

Okay$5.54–$276.07

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Okay2.1%

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

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Review moat

Bad10,103.19

avg incumbent reviews — the moat a new listing must climb

Signals Trending

According to Flapen's Amazon United States niche tracking, 3 sided toothbrush is a $358K/yr Amazon United States market (413K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in May–Jun. Verdict: Worth a look — 56/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

3 sided toothbrush market data

Units sold / yr: 13K–15K; avg 500–750/product
Revenue / yr: $527K–$632K; units × avg price
Conversion rate: 2.1%
Avg BSR: #230
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 3.7%
Avg brand age: 40 months
Avg seller age: 147 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

13%

Triple Bristle48%
Brilliant15%
Lnncdsc13%
TWICE5%
Mluyeri3%
edel+white3%
Open — no brand owns it (6 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +111.3% search growth over the last 90 days.

Peak months: May, Jun · busiest ÷ quietest = 3.2×

Open Trend

Top 3 sided toothbrush search terms

illume toothbrush110K/yr +341.3%0.7% conv.
illume toothbrush 3 in 122K/yr >1,000%0.5% conv.
3 in 1 toothbrush37K/yr +36.8%0.8% conv.
3 sided toothbrush73K/yr -24.6%3.5% conv.
smileillume toothbrush10K/yr +114.3%0.5% conv.
3 in 1 toothbrush illume7K/yr +212.6%0.5% conv.
smile illume 3 in 1 toothbrush7K/yr +102.0%0.9% conv.
illume 3-in-1 electric toothbrush4K/yr >1,000%0.4% conv.
three sided toothbrush24K/yr -20.5%3.8% conv.
3 sided toothbrush kids17K/yr +1.5%2.2% conv.

All search terms

Top 3 sided 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 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Triple Bristle GO 3-Sided Sonic Electric Toothbrush with Soft Nylon Bristles Travel Brush for Kids Adults Autism and Special Needs

Triple Bristle$29.764.2★3,266 rev

Triple Bristle Original Sonic Toothbrush | Rechargeable 31 000 VPM Tooth Brush | Patented 3 Head Design | Angled Bristles Clean Each Tooth | Dentist Created & Approved Original

Triple Bristle$67.724.2★3,696 rev

Lnncdsc 4-Piece Set of 3-Sided toothbrushes Adults Extra Soft toothbrushes for Adults Medium Toothbrush for Comprehensive Care of Teeth and Gums.

Lnncdsc$6.844.1★477 rev

Brilliant Oral Care Adult Toothbrush with Soft Bristles Round Head and All-Around Clean for Teeth and Gums Red 1 Pack

Brilliant$11.024.3★342 rev

Brilliant Specialty Adult Round Toothbrush for Sensitive Mouths to Support Chemo and Other Sensory Oral Care Needs with Ultra Soft Bristles Teal 1 Pack

Brilliant$11.194.5★632 rev

Newest

by launch date

SHEWOQISU 6 Pcs 3-Sided Toothbrush Adult Toothbrushes Soft Brushed 3-Sided Cleaning Toothbrush (Dark Blue-White)

SHEWOQISU$9.2328 rev

8mo ago

TWICE 3D Triple-Head Toothbrush Soft Bristles for Sensitive Gums with Advanced 3-Sided Design to Effectively Remove Plaque Also Suitable for Braces Aligners & Dentures 2 Count(Pack of 1)

TWICE$7.05274 rev

9mo ago

RANVOO AirJet X5 [Dentist Recommended | Max Tartar Removal] Electric Toothbrush 100% Plaque Removal Whitening & Gum Care 60-Day Battery Life Rechargeable with 3 Pro Brush Heads Space Gray

RANVOO$142.10365 rev

11mo ago

Feno Smartbrush Electric Toothbrush for Adults Oscillating Rechargeable

Feno$276.07194 rev

1y ago

Mluyeri 4-Pack Medium Toothbrush Set Bulk Toothbrushes for Kids & Adults with Special Needs Multi-Angle Cleaning Medium Soft Bristles White Pink Green Purple

Mluyeri$7.69380 rev

1y ago

What buyers say about 3 sided toothbrush

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

What buyers love

Value For Money17%

“Excellent value”

Quality-Overall14%

“Excellent Product”

Ease Of Use7%

“Easy to hold”

Tooth Brightening6%

“My teeth look noticeably whiter”

Advertised Vs Actual Product5%

“As described”

Ease Of Cleaning5%

“Cleans really well”

Charging5%

“Easy to charge”

Battery Life5%

“battery long lasting”

Brush Quality5%

“Good quality brushes”

Efficiency4%

“Effective”

What buyers complain about

Durability18%

“Very disappointed with the durability”

Charging14%

“Stopped Charging”

Size-Overall8%

“one did not fit”

Quality-Overall6%

“appeared cheaply made”

Ease Of Use5%

“Really not user-friendly”

Ease Of Cleaning4%

“Does not clean well”

Battery Life4%

“Battery no good”

Functionality-Overall4%

“not as effective”

Value For Money3%

“WASTE OF MONEY”

Hard Feel3%

“These are very hard”

Top return reasons

Size-Overall18%

Charging14%

Functionality-Overall13%

Advertised Vs Actual Product11%

Value For Money9%

Quality-Overall4%

Defective Material/Parts4%

Comfort-Overall3%

Product Condition3%

Ease Of Cleaning3%

Common questions

Is 3 sided toothbrush profitable to sell on Amazon United States?: The niche generates $358K/yr across 16 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +111.3%. Flapen's verdict: Worth a look (56/100).
How competitive is the 3 sided toothbrush niche?: 12 brands and 19 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in 3 sided toothbrush?: Top complaints mined from reviews: Durability, Charging, Size-Overall. The return rate is 1.8%.
When does demand for 3 sided toothbrush peak?: Demand peaks in May–Jun; the busiest month runs 3.2× the quietest.
What does it cost to enter the 3 sided toothbrush niche?: Listings span $5.54–$276.07; the average listing price is $42.12 (sweet spot $15–$100). The average incumbent carries 10,103 reviews — the moat a new listing must climb.