Is fairywill toothbrush heads profitable to sell on Amazon United States?

The niche generates $41K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.2%. Flapen's verdict: Skip it (33/100).

How competitive is the fairywill toothbrush heads niche?

8 brands and 10 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in fairywill toothbrush heads?

Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Durability. The return rate is 2.4%.

When does demand for fairywill toothbrush heads peak?

Demand peaks in Aug; the busiest month runs 1.7× the quietest.

What does it cost to enter the fairywill toothbrush heads niche?

Listings span $7.53–$9.82; the average listing price is $8.33 (sweet spot $15–$100). The average incumbent carries 2,168 reviews — the moat a new listing must climb.

fairywill toothbrush heads

Skip it

Prices mostly outside the sweet spot ($7.53–$9.82) — this niche doesn't clear our bar today.

Conversion

Incredible13.6%

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

Returns

Good2.4%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,167.75

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad$8.33

avg listing price — sweet spot $15–$100

Brand share

Bad92%

top-5 brand share — brand-locked demand

Growth

Bad-13.2%

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

Competition

Bad81%

top-5 click share — a locked-up shelf

Market size

Bad$41K

$41K/yr · 36K searches

Price range

Bad$7.53–$9.82

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

According to Flapen's Amazon United States niche tracking, fairywill toothbrush heads is a $41K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Aug. Verdict: Skip it — 33/100.

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

fairywill toothbrush heads market data

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: $42K–$50K; units × avg price
Conversion rate: 13.6%
Avg BSR: #445
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 43 months
Avg seller age: 236 days

Competition & brand share

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

81%

Top 20: 100%

Open market

HOFAM37%
teeteck24%
Cseece17%
Relax Artist11%
BUKURII3%
YUNCHI3%
Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.2% search growth over the last 90 days.

Peak months: Aug · busiest ÷ quietest = 1.7×

Open Trend

Top fairywill toothbrush heads search terms

fairywill toothbrush heads30K/yr -14.6%13.1% conv.
fairywill electric toothbrush heads4K/yr -13.4%11.1% conv.
fairy will replacement brush heads2K/yr +11.6%15.2% conv.

All search terms

Top fairywill toothbrush 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 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Toothbrush Heads for FairyWill Replacement Brush Heads for Fairy Will Electric Toothbrush Replacement Heads for Fairywill FW-507/508/551/515/917/959 FW-D1/D3/D7/D8

HOFAM$9.824.6★1,102 rev

10 Pack Toothbrush Replacement Heads Compatible with Fairywill FW-507/508/515/551/917/959/2011 FW-D1/FW-D3/FW-D7/FW-D8 Most SG Series HP126A TB-5 Medium Soft Bristles Brush

Cseece$7.944.4★547 rev

Relax Artist Toothbrush Heads for Fairywill Replacement Brush Heads for Fairy Will FW-507/508/551/515/917/959/2011 for FairyWill FW-D1/D3/D7/D8 6-Pack

Relax Artist$7.594.3★109 rev

5 Pack Electric Toothbrush Replacement Heads Compatible with Fairywill Toothbrush Heads Compatible with FW-507/508/551/515/917/959/2011 FW-D1/D3/D7/D8

teeteck$7.584.5★6,533 rev

10pc Toothbrush Heads Compatible with Fairywill D7/D8/FW507/508 551/917/959/D1/D3 (Black)

teeteck$9.804.6★3,966 rev

Newest

by launch date

BUKURII Replacement Heads for Fairywill P11 Electric Toothbrush 8Pcs Black

BUKURII$9.0525 rev

10mo ago

Relax Artist Toothbrush Heads for Fairywill Replacement Brush Heads for Fairy Will FW-507/508/551/515/917/959/2011 for FairyWill FW-D1/D3/D7/D8 6-Pack

Relax Artist$7.59109 rev

12mo ago

10pc Toothbrush Heads Compatible with Fairywill D7/D8/FW507/508 551/917/959/D1/D3 (Black)

teeteck$9.803,966 rev

1y ago

Senyum Toothbrush Replacement Heads for Fairywill Replacement Brush Heads for Fairy Will Electric Toothbrush Head for FW-507/508/551/515/917/959 FW-D1/D3/D7/D8 10 Pack

Senyum$9.63695 rev

3y ago

10 Pack Toothbrush Replacement Heads Compatible with Fairywill FW-507/508/515/551/917/959/2011 FW-D1/FW-D3/FW-D7/FW-D8 Most SG Series HP126A TB-5 Medium Soft Bristles Brush

Cseece$7.94547 rev

3y ago

What buyers say about fairywill toothbrush heads

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

What buyers love

Size-Overall37%

“Fits perfectly”

Value For Money22%

“Good price for the amount you get”

Advertised Vs Actual Product15%

“Does the Job”

Ease Of Use15%

“Easy to use”

Quality-Overall8%

“Good product”

Durability3%

“Durable”

Soft Feel2%

“He said the bristles are soft and comfortable”

What buyers complain about

Size-Overall73%

“The heads dont fit tight on my fairywill electric toothbrushs”

Compatibility-Overall14%

“doesn't fit fairywill p11”

Durability9%

“Dont last as long as I think they should”

Functionality-Overall5%

“these dont work as I was expecting”

Top return reasons

Size-Overall76%

Compatibility-Overall14%

Functionality-Overall3%

Advertised Vs Actual Product3%

Add-Ons/Attachments1%

Value For Money0%

Brush Quality0%

Shape/Style0%

Soft Feel0%

Charging0%

Common questions

Is fairywill toothbrush heads profitable to sell on Amazon United States?: The niche generates $41K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.2%. Flapen's verdict: Skip it (33/100).
How competitive is the fairywill toothbrush heads niche?: 8 brands and 10 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in fairywill toothbrush heads?: Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Durability. The return rate is 2.4%.
When does demand for fairywill toothbrush heads peak?: Demand peaks in Aug; the busiest month runs 1.7× the quietest.
What does it cost to enter the fairywill toothbrush heads niche?: Listings span $7.53–$9.82; the average listing price is $8.33 (sweet spot $15–$100). The average incumbent carries 2,168 reviews — the moat a new listing must climb.