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55

therabrush

Worth a look

Shows a fragmented shelf (top 5 take 31% of clicks), but prices mostly outside the sweet spot ($6.94–$831.46) keeps it on the watch list.

Market size 77Growth 23Conversion 22Competition 84Returns 59Price range 10Avg price 61Brand share 77Review moat 25Quality gap 70

Competition

Great31%

top-5 click share — an open shelf

Market size

Great$966K

$966K/yr · 386K searches

Brand share

Great58%

top-5 brand share — no brand owns this niche

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Avg price

Good$141.55

avg listing price — sweet spot $15–$100

Returns

Good2.6%

return rate — above 5% kills the launch gate

Review moat

Okay3,979.11

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-4.3%

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

Conversion

Bad1.8%

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

Price range

Bad$6.94–$831.46

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

According to Flapen's Amazon United States niche tracking, therabrush is a $966K/yr Amazon United States market (386K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Worth a look — 55/100.

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

therabrush market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
$849K–$1.1M
units × avg price
Conversion rate
1.8%
Avg BSR
#6,064
Page quality
0%
Prime
100%
Sponsored
98%
Out of stock
28.7%
Avg brand age
34 months
Avg seller age
141 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

28 rising

Sellers

53

Top-5 brand share

58%

Top 20: 94%

Top-5 click share

31%

Top 20: 75%

Open market

38%

  • Hairmax23%
  • CWTUL11%
  • Uvsicsve9%
  • Apbier9%
  • NBWTYA5%
  • ANTMPO4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.3% search growth over the last 90 days.
10K6KPrime Day '24Holiday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 5.7×

Top therabrush search terms

  • red light hair brush42K/yr
  • hairmax41K/yr
  • therabrush32K/yr
  • red light brush for hair growth23K/yr
  • hairmax laser comb26K/yr
  • red light brush19K/yr
  • laser comb20K/yr
  • laser comb for hair growth18K/yr
  • hair growth comb18K/yr
  • red light comb17K/yr
All search terms

Top therabrush 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.

0%3%$29K6%$58K9%$87K12%$116K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about therabrush

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

What buyers love

Ease Of Use18%

“easy to handle”

Quality-Overall14%

“Good quality”

Hair Growth11%

“Helps great to grow hair”

Comfort-Overall6%

“Very comfortable”

Value For Money5%

“Well worth it”

Soft Feel4%

“The bristles are soft”

Efficiency3%

“appears to be quite effective”

Size-Overall3%

“Fits nice”

Massage Quality2%

“Great massage”

Weight Light2%

“The brush is quite light weight”

What buyers complain about

Durability20%

“Broke first use”

Functionality-Overall12%

“No Results”

Value For Money9%

“Very expensive”

Size-Overall4%

“The helmet was way too large”

Quality-Overall4%

“Bad Quality”

Symptom Reduction4%

“no difference seen”

Hair Related4%

“start over again only for the loss to return after growing my hair out”

Side Effects4%

“I realized the product was likely causing the hair loss”

Ease Of Use3%

“Hard to use”

Hard Feel2%

“It's not soft AT ALL”

Top return reasons

Functionality-Overall27%
Advertised Vs Actual Product9%
Defective Material/Parts8%
Value For Money8%
Size-Overall7%
Charging4%
Comfort-Overall3%
Damage/Burn Hair2%
Quality-Overall2%
Hard Feel2%

Common questions

Is therabrush profitable to sell on Amazon United States?
The niche generates $966K/yr across 46 tracked products. 14 of 29 products launched in the last 360 days are still selling. 90-day search growth is -4.3%. Flapen's verdict: Worth a look (55/100).
How competitive is the therabrush niche?
28 brands and 53 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 58% of demand.
What do buyers complain about in therabrush?
Top complaints mined from reviews: Durability, Functionality-Overall, Value For Money. The return rate is 2.6%.
When does demand for therabrush peak?
Demand peaks in Jan–Feb–Dec; the busiest month runs 5.7× the quietest.
What does it cost to enter the therabrush niche?
Listings span $6.94–$831.46; the average listing price is $141.55 (sweet spot $15–$100). The average incumbent carries 3,979 reviews — the moat a new listing must climb.