shark round brush attachment
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$29.80avg listing price — sweet spot $15–$100
Price range
Incredible$18.49–$91.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great335.36avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Market size
Okay$204K$204K/yr · 120K searches
Growth
Bad-23.2%90-day search growth — must beat 0% to launch
Returns
Bad8.9%return rate — above 5% kills the launch gate
Competition
Bad88%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, shark round brush attachment is a $204K/yr Amazon United States market (120K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 40/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
shark round brush attachment market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- $179K–$238K
- units × avg price
- Conversion rate
- 5.7%
- Avg BSR
- #488
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 82%
- Out of stock
- 0.0%
- Avg brand age
- 34 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 rising
Sellers
21
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
88%
Top 20: 100%
Open market
2%
- AFDD42%
- Shark32%
- Chivixe17%
- Liwoowe3%
- HxvPoez2%
- TEXOVYRAX2%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 67 weeks — -23.2% search growth over the last 90 days.Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 5.2×
Top shark round brush attachment search terms
- shark round brush attachment44K/yr
- shark flex style round brush attachment14K/yr
- shark flexstyle round brush10K/yr
- shark round brush9K/yr
- shark flexstyle round brush attachment8K/yr
- shark flex style round brush6K/yr
- shark flex style attachment round brush6K/yr
- round brush attachment for shark flexstyle8K/yr
- shark small round brush attachment5K/yr
- shark flex round brush attachment4K/yr
Top shark round brush attachment 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.
All 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Shark FlexStyle Round Hot Air Brush Attachment for Blow Dryers Hair Styling Tool for Straight Wavy Curly and Coily Hair Stone
Shark$28.644.1★607 rev
AFDD Upgraded Round Volumizing Brush for Shark Flex Style Attachment Round Brush Compatible with Shark Flexstyle for Smooth Styling Adds Volume Curls(1.5in barrel 2.6in with Bristles)
AFDD$28.534.3★260 rev
AFDD Round Brush Attachment for Shark FlexStyle Accessories Normal Round Volumizing Brush Hair Styling Tool for Straight Wavy Curly and Coily Hair
AFDD$19.613.8★181 rev
Chivixe Upgraded Round Brush Attachment for Shark FlexStyle Round Volumizing Brush Compatible with Shark Flex Style Styling for for Smooth Voluminous Curls (1.5 Inch Barrel 2.32 Inch with Bristles)
Chivixe$28.424.3★191 rev
Chivixe Round Brush Attachment for Shark FlexStyle Attachments Normal Oval Round Volumizing Brush Styling for Straight Wavy Curly and Coily Hair Sliver
Chivixe$19.623.6★319 rev
Newest
by launch date
Round Brush Attachment for Shark FlexStyle Accessories FlexStyle HD430/HD440 Series with 360 Airflow Secure Fit No Slip Blow Dryer Attachment for Straight Wavy Curly and Coily Hair
HxvPoez$20.9920 rev
Togameoy Round Brush Attachment Compatible with Shark FlexStyle HD400 Series Volumizing Hair Dryer Brush Attachment for Bangs Layers Root Lift and Smooth Frizz Stone
Togameoy$22.5128 rev
Round Brush Attachment for Shark Flexstyle Upgraded Firm Bristles Reduce Frizz for Voluminous Bouncy Styles Fits All HD400 Series Stone
TEXOVYRAX$25.4327 rev
Upgraded Round Brush Attachment for Shark FlexStyle HD400 Series Round Volumizing Brush for Shark Flex Style Accessories for Blow Dry Smooth Hair Fluffy Bangs Voluminous Curls (Stone)
Liwoowe$24.3745 rev
AFDD Upgraded Round Volumizing Brush for Shark Flex Style Attachment Round Brush Compatible with Shark Flexstyle for Smooth Styling Adds Volume Curls(1.5in barrel 2.6in with Bristles)
AFDD$28.53260 rev
Trending
90-day click momentumRound Brush Attachment for Shark FlexStyle Accessories FlexStyle HD430/HD440 Series with 360 Airflow Secure Fit No Slip Blow Dryer Attachment for Straight Wavy Curly and Coily Hair
HxvPoez$20.993.8★
Togameoy Round Brush Attachment Compatible with Shark FlexStyle HD400 Series Volumizing Hair Dryer Brush Attachment for Bangs Layers Root Lift and Smooth Frizz Stone
Togameoy$22.514.5★
Round Brush Attachment for Shark Flexstyle Upgraded Firm Bristles Reduce Frizz for Voluminous Bouncy Styles Fits All HD400 Series Stone
TEXOVYRAX$25.434.8★
Upgraded Round Brush Attachment for Shark FlexStyle HD400 Series Round Volumizing Brush for Shark Flex Style Accessories for Blow Dry Smooth Hair Fluffy Bangs Voluminous Curls (Stone)
Liwoowe$24.374.2★
AFDD Upgraded Round Volumizing Brush for Shark Flex Style Attachment Round Brush Compatible with Shark Flexstyle for Smooth Styling Adds Volume Curls(1.5in barrel 2.6in with Bristles)
AFDD$28.534.3★
What buyers say about shark round brush attachment
What buyers praise and complain about, mined from review topics.What buyers love
“Fantastic add on”
“Fits great”
“Ease to use”
“Great quality”
“straightens without pulling like the original oval”
“gives my hair a soft”
“Decent for the cost”
“Getting a compatible round brush at this price point is a fantastic value”
“It helps me dry”
“Works well”
What buyers complain about
“broke on first use”
“Doesnt attach well”
“Did not fit”
“Waste of $30”
“Either way - not quite as good quality as OEM”
“overall it just didnt work for my hair”
“It does not smooth my hair as others have”
“Does not work”
“Doesnt grab hair”
“hard to use”
Top return reasons
Common questions
- Is shark round brush attachment profitable to sell on Amazon United States?
- The niche generates $204K/yr across 11 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -23.2%. Flapen's verdict: Skip it (40/100).
- How competitive is the shark round brush attachment niche?
- 7 brands and 21 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in shark round brush attachment?
- Top complaints mined from reviews: Durability, Add-Ons/Attachments, Size-Overall. The return rate is 8.9% — above our launch gate.
- When does demand for shark round brush attachment peak?
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 5.2× the quietest.
- What does it cost to enter the shark round brush attachment niche?
- Listings span $18.49–$91.23; the average listing price is $29.80 (sweet spot $15–$100). The average incumbent carries 335 reviews — the moat a new listing must climb.