---
title: "Iui Beauty Thermal Brush — $15K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/iui-beauty-thermal-brush"
last_updated: "2026-08-11T17:45:59.076Z"
locale: en
meta:
description: "Niche score 35/100 · $15K/yr market · 63K searches/yr · $33.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $15K/yr market · 63K searches/yr · $33.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Iui Beauty Thermal Brush — $15K/yr Amazon US Niche (2026) - Flapen"
---
# **iui beauty thermal brush**
**Skip it**
Soft demand (-48.7% this quarter) — this niche doesn't clear our bar today.
Market size 4Growth 1Conversion 9Competition 15Returns 89Price range 95Avg price 95Brand share 16Review moat 46Quality gap 92
**Avg price**
**Incredible****$33.53**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$20.13–$47.36**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.0★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****1,915.58**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$15K**
$15K/yr · 63K searches
**Growth**
**Bad****-48.7%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, iui beauty thermal brush is a $15K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 35/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **iui beauty thermal brush market data**
- **Units sold / yr**
- **3K–3K**
- avg 250–500/product
- **Revenue / yr**
- **$84K–$101K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#118**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **92%**
- **Out of stock**
- **17.7%**
- **Avg brand age**
- **22 months**
- **Avg seller age**
- **189 days**
## **Competition & brand share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**19**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**4%**
- IUI41% - FIONOFY31% - IUI Beauty9% - BYART9% - Risina4% - wavytalk2% - Open — no brand owns it (2 brands, 4%)
## **Demand**
Weekly Amazon search volume, last 32 weeks — -48.7% search growth over the last 90 days.
700500Spike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/iui-beauty-thermal-brush/trend)
## **Top iui beauty thermal brush search terms**
- **iui beauty**15K/yr-41.4%2.8% conv. - **iui beauty thermal brush**29K/yr-67.5%1.1% conv. - **3-in-1 pro negative ion two ptc heaters thermal brush**10K/yr-69.0%1.9% conv. - **iui thermal brush**3K/yr-31.3%2.6% conv. - **iui beauty 3-in-1 negative ion thermal brush**4K/yr+7.5%0.0% conv. - **3 in 1 pro negative ion thermal brush**2K/yr-90.5%0.0% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/iui-beauty-thermal-brush/search-terms)
## **Top iui beauty thermal brush 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%10%$2K20%$3K30%$5K40%$6K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**2-in-1 Bikini Trimmer for Women Bikini Shaver with Dual Heads Body and Facial Hair Removal Rechargeable Cordless Electric Razors for Face Chin Pubic Underarm Legs IPX7 Waterproof Pink**FIONOFY**$20.13**3.8★662 rev](https://www.amazon.com/dp/B0FFMB9G7T) [2**IUIBEAUTY 2-in-1 Painless Precision Bikini Trimmer & Shaver for Women Waterproof Electric Razor with Dual Heads LED Display USB Rechargeable**IUI**$43.39**4.4★33 rev](https://www.amazon.com/dp/B0GBWVS7T5) [3**IUIBeauty Thermal Brush Heated Round Brush with 5 Heat Settings & LED Display 1.5 inch Negative Ion Thermal Brush Long Hair Blowout Curling Iron Dual Voltage Pink volumizing Brush**IUI**$42.29**4.0★148 rev](https://www.amazon.com/dp/B0F6LRFWN4) [4**IUI Beauty Shaver IUI Beauty Electric Shaver 2-in-1 Painless Bikini Hair Trimmer Gentle & Safe on The Go Smooth and Painless IPX7 Waterproof Dual-Head Design Wet & Dry Use Leafverve(Purple)**IUI Beauty**$22.28**2.8★41 rev](https://www.amazon.com/dp/B0FDL4GGXK) [5**BYART Bikini Trimmer for Women Dual Head IPX7 Waterproof & Painless Electric Razors for Pubic Hair Face Legs Underarms Portable Cordless Shaver with Fast Charging Self Care Gifts for Women**BYART**$21.94**4.3★1,609 rev](https://www.amazon.com/dp/B0FPBCS67C)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Bikini Trimmer for Women 2 in 1 Electric Razor & Bikini Shaver for Womens IPX7 Waterproof Body Hair Trimmer and Facial Hair Remover Pink**FIMOSON**$21.54**91 rev6mo ago](https://www.amazon.com/dp/B0G7YFZXY7) [**Dermave Bikini Shaver & Trimmer for Women IPX7 Waterproof Electric Razor for Pubic Hair Face Legs Underarms - Painless-Pink**Zanre**$30.48**69 rev6mo ago](https://www.amazon.com/dp/B0GHR4BQ99) [**IUIBEAUTY 2-in-1 Painless Precision Bikini Trimmer & Shaver for Women Waterproof Electric Razor with Dual Heads LED Display USB Rechargeable**IUI**$43.39**33 rev6mo ago](https://www.amazon.com/dp/B0GBWVS7T5) [**IUIBEAUTY 2-in-1 Painless Precision Bikini Trimmer & Shaver for Women Waterproof Electric Razor with Dual Heads LED Display USB Rechargeable**IUI**$43.04**33 rev6mo ago](https://www.amazon.com/dp/B0GBWSPJ1L) [**IUIBEAUTY 2-in-1 Painless Precision Bikini Trimmer & Shaver for Women Waterproof Electric Razor with Dual Heads LED Display USB Rechargeable**IUI**$43.16**33 rev6mo ago](https://www.amazon.com/dp/B0GBX1GL6W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**IUIBEAUTY 2-in-1 Painless Precision Bikini Trimmer & Shaver for Women Waterproof Electric Razor with Dual Heads LED Display USB Rechargeable**IUI**$43.04**4.4★**▲ 1000%**](https://www.amazon.com/dp/B0GBWSPJ1L) [**IUIBEAUTY 2-in-1 Painless Precision Bikini Trimmer & Shaver for Women Waterproof Electric Razor with Dual Heads LED Display USB Rechargeable**IUI**$43.39**4.4★**▲ 1000%**](https://www.amazon.com/dp/B0GBWVS7T5) [**IUIBEAUTY 2-in-1 Painless Precision Bikini Trimmer & Shaver for Women Waterproof Electric Razor with Dual Heads LED Display USB Rechargeable**IUI**$43.16**4.4★**▲ 1000%**](https://www.amazon.com/dp/B0GBX1GL6W) [**Bikini Trimmer for Women 2 in 1 Electric Razor & Bikini Shaver for Womens IPX7 Waterproof Body Hair Trimmer and Facial Hair Remover Pink**FIMOSON**$21.54**4.0★**▲ 1000%**](https://www.amazon.com/dp/B0G7YFZXY7) [**Dermave Bikini Shaver & Trimmer for Women IPX7 Waterproof Electric Razor for Pubic Hair Face Legs Underarms - Painless-Pink**Zanre**$30.48**4.0★**▲ 1000%**](https://www.amazon.com/dp/B0GHR4BQ99)
**~~View all trending →~~**
## **What buyers say about iui beauty thermal brush**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**15%
*“Easy to handle”*
**Quality-Overall**12%
*“The quality is great and the whole buying process was smooth and pleasant”*
**Value For Money**8%
*“Good Price”*
**Soft Feel**7%
*“Smooth and Silky”*
**Charging**7%
*“Charges fine”*
**Efficiency**5%
*“Gets the job done well”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Battery Life**3%
*“Battery life is good”*
**Water Resistance**3%
*“is water proof”*
**Allergies**3%
*“doesnt irritate the skin”*
### **What buyers complain about **
**Durability**16%
*“Broke easily”*
**Functionality-Overall**12%
*“Doesn't work”*
**Charging**8%
*“Doesn't charge”*
**Quality-Overall**6%
*“Poor Quality”*
**Hair Related**5%
*“Doesnt do anything to your hair”*
**Allergies**4%
*“causes a little irritation”*
**Value For Money**4%
*“Not worth the price”*
**Suitability Short Hair**3%
*“with short hair”*
**Damage/Burn Hair**3%
*“if your hair is remotely wet your hair can get tangled in the brush”*
**Heating**3%
*“No heat”*
### **Top return reasons **
**Functionality-Overall**29%
**Advertised Vs Actual Product**10%
**Defective Material/Parts**9%
**Suitability Short Hair**8%
**Charging**6%
**Size-Overall**6%
**Heating**6%
**Value For Money**4%
**Product Condition**4%
**Damage/Burn Hair**3%
## **Common questions**
- **Is iui beauty thermal brush profitable to sell on Amazon United States?**
- The niche generates $15K/yr across 12 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is -48.7%. Flapen's verdict: Skip it (35/100).
- **How competitive is the iui beauty thermal brush niche?**
- 8 brands and 19 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in iui beauty thermal brush?**
- Top complaints mined from reviews: Durability, Functionality-Overall, Charging. The return rate is 1.3%.
- **What does it cost to enter the iui beauty thermal brush niche?**
- Listings span $20.13–$47.36; the average listing price is $33.53 (sweet spot $15–$100). The average incumbent carries 1,916 reviews — the moat a new listing must climb.
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