Is spinbrush replacement heads profitable to sell on Amazon United States?

The niche generates $591K/yr across 16 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is +6.7%. Flapen's verdict: Worth a look (58/100).

How competitive is the spinbrush replacement heads niche?

14 brands and 395 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in spinbrush replacement heads?

Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Advertised Vs Actual Product. The return rate is 4.1%.

What does it cost to enter the spinbrush replacement heads niche?

Listings span $6.69–$39.08; the average listing price is $14.49 (sweet spot $15–$100). The average incumbent carries 950 reviews — the moat a new listing must climb.

spinbrush replacement heads

Worth a look

Shows beatable incumbent ratings (3.7★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Quality gap

Incredible3.7★

avg incumbent rating — lower means beatable quality

Conversion

Good6.8%

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

Price range

Good$6.69–$39.08

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

Avg price

Good$14.49

avg listing price — sweet spot $15–$100

Market size

Good$591K

$591K/yr · 598K searches

Review moat

Good949.63

avg incumbent reviews — the moat a new listing must climb

Brand share

Good68%

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

Competition

Okay62%

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

Returns

Okay4.1%

return rate — above 5% kills the launch gate

Growth

Okay+6.7%

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

Signals Low Review Barrier Quality Gap

According to Flapen's Amazon United States niche tracking, spinbrush replacement heads is a $591K/yr Amazon United States market (598K searches/yr). The top 5 brands hold 68% of demand. Verdict: Worth a look — 58/100.

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

spinbrush replacement heads market data

Units sold / yr: 40K–50K; avg 1,000–1,250/product
Revenue / yr: $580K–$725K; units × avg price
Conversion rate: 6.8%
Avg BSR: #373
Page quality: 0%
Prime: 81%
Sponsored: 81%
Out of stock: 24.1%
Avg brand age: 48 months
Avg seller age: 130 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

395

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

26%

ARM & HAMMER32%
olrizie12%
GERAGER10%
YMPBO8%
Cavzru6%
VOZRO6%

Demand

Weekly Amazon search volume, last 28 weeks — +6.7% search growth over the last 90 days.

Open Trend

Top spinbrush replacement heads search terms

spinbrush replacement heads302K/yr +1.4%5.5% conv.
spin brush heads replacement96K/yr +5.7%5.0% conv.
spinbrush pro clean replacement heads49K/yr +37.8%5.5% conv.
spinbrush toothbrush replacement heads15K/yr -0.7%4.4% conv.
arm and hammer spinbrush replacement heads13K/yr +33.4%3.9% conv.
crest spinbrush replacement heads13K/yr +4.5%3.8% conv.
spinbrush pro replacement heads15K/yr +2.1%4.3% conv.
spin brush replacement heads12K/yr -3.0%4.5% conv.
spin brush pro clean replacement heads13K/yr -11.3%4.5% conv.
spinbrush replacement heads medium12K/yr -6.6%2.7% conv.

All search terms

Top spinbrush 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.

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

Arm & Hammer Spinbrush Pro Clean Replacement Brush Heads

ARM & HAMMER$22.303.8★161 rev

Olrizie 8 Pack Replacement Toothbrush Heads Compatible with Spinbrush Pro Clean Pro Whiten Pro+ Deep Clean & Pro+ Gum Health(ONLY for Old Version Spinbrush) NOT Compatible with NEW Models

olrizie$11.653.5★222 rev

Cavzru 8 Pack Replacement Brush Heads Compatible with Old Spinbrush Handle

Cavzru$9.783.3★155 rev

Arm & Hammer Spinbrush Pro Series Clean Electric Toothbrush Replacement Brush Heads Refills Soft Bristles 2 Count - 3 Pack. (Includes 6 Replacement Brush Heads Total.)

VOZRO$39.084.0★277 rev

Replacement Heads Compatible with Spinbrush Electric Toothbrush Adults Toothbrush Head 10 Pack Brush Heads Medium Bristles

GERAGER$12.733.4★33 rev

Newest

by launch date

Replacement Heads Compatible with Spinbrush Electric Toothbrush AdultsToothbrush Head 6 Pack Brush Heads Medium Bristles

GERAGER$9.3730 rev

2mo ago

Replacement Heads Compatible with Spinbrush Electric Toothbrush Adults Toothbrush Head 10 Pack Brush Heads Medium Bristles

GERAGER$12.7333 rev

3mo ago

6 Pack Replacement Heads Compatible with Spinbrush Electric Toothbrush Adults Brush Head Replacement Refill

YMPBO$8.8743 rev

6mo ago

Electric Toothbrush Refill Heads for Spinbrush Pro Series Fit PRO Clean & Pro Whiten (Legacy Handles Only) Medium Bristles Adult Brush Heads Individually Wrapped 6 Count

Chinystyle$10.108 rev

6mo ago

8 Pack Compatible with Spinbrush Pro Clean Toothbrush Replacement Brush Heads for Spinbrush Pro Clean Toothbrush Medium Bristles (Soft Bristles Medium)

Earouth$9.1137 rev

7mo ago

What buyers say about spinbrush replacement heads

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

What buyers love

Size-Overall31%

“Fit great”

Value For Money16%

“Great deal”

Quality-Overall12%

“Good quality spin brush replacement heads”

Advertised Vs Actual Product9%

“Exactly what I ordered”

Brush Quality7%

“The bristles are good and firm and works well”

Efficiency4%

“Works well”

Ease Of Cleaning2%

“Very good, cleans well”

Ease Of Use2%

“easy to use”

Cleansing2%

“clean my teeth are”

Battery Life1%

“Battery life great”

What buyers complain about

Size-Overall40%

“very tight”

Compatibility-Overall11%

“Not compatible as described”

Advertised Vs Actual Product8%

“Misleading Description”

Value For Money5%

“OVER PRICED”

Functionality-Overall4%

“Didnt quite work the way I expected”

Durability3%

“Some come apart”

Ease Of Use3%

“Cannot use it”

Quality-Overall2%

“A total waste - poorly made TRASH”

Assembly/Installation2%

“My husbands helper had to help me install”

Design-Overall2%

“Extremely poor construction”

Top return reasons

Size-Overall69%

Compatibility-Overall12%

Advertised Vs Actual Product11%

Functionality-Overall3%

Shape/Style1%

Add-Ons/Attachments1%

Defective Material/Parts1%

Product Condition0%

Value For Money0%

Brush Quality0%

Common questions

Is spinbrush replacement heads profitable to sell on Amazon United States?: The niche generates $591K/yr across 16 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is +6.7%. Flapen's verdict: Worth a look (58/100).
How competitive is the spinbrush replacement heads niche?: 14 brands and 395 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in spinbrush replacement heads?: Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Advertised Vs Actual Product. The return rate is 4.1%.
What does it cost to enter the spinbrush replacement heads niche?: Listings span $6.69–$39.08; the average listing price is $14.49 (sweet spot $15–$100). The average incumbent carries 950 reviews — the moat a new listing must climb.