---
title: "Brush 30/40 Heating Brush - Infused with Keratin — $63K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/brush-30-40-heating-brush-infused-with-keratin"
last_updated: "2026-08-10T05:48:41.799Z"
locale: en
meta:
description: "Niche score 31/100 · $63K/yr market · 74K searches/yr · $47.21 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 31/100 · $63K/yr market · 74K searches/yr · $47.21 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Brush 30/40 Heating Brush - Infused with Keratin — $63K/yr Amazon US Niche (2026) - Flapen"
---
# **brush 30/40 heating brush - infused with keratin**
**Skip it**
Soft demand (-27.1% this quarter) — this niche doesn't clear our bar today.
Market size 16Growth 11Conversion 23Competition 25Returns 24Price range 87Avg price 94Brand share 11Review moat 12Quality gap 78
**Avg price**
**Great****$47.21**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.24–$108.12**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Returns**
**Bad****5.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$63K**
$63K/yr · 74K searches
**Review moat**
**Bad****28,218.63**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-27.1%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, brush 30/40 heating brush - infused with keratin is a $63K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 31/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **brush 30/40 heating brush - infused with keratin market data**
- **Units sold / yr**
- **2K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$94K–$118K**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#306**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **147 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**51**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**2%**
- CHI66% - K&K13% - REVLON6% - wavytalk5% - TYMO5% - L'ANGE HAIR3% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -27.1% search growth over the last 90 days.
3K2KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/brush-30-40-heating-brush-infused-with-keratin/trend)
## **Top brush 30/40 heating brush - infused with keratin search terms**
- **hair iron brush**8K/yr+34.6%0.9% conv. - **chi volumizer 4-in-1 blowout brush**10K/yr-5.9%3.7% conv. - **k&k thermal brush**7K/yr-15.1%3.0% conv. - **chi blow dryer brush**14K/yr-67.5%3.0% conv. - **chi hair dryer brush**6K/yr-31.9%3.0% conv. - **chi brush hair dryer**2K/yr+182.8%3.7% conv. - **brush 30-40 usa**4K/yr-17.8%0.3% conv. - **chi blowout brush**9K/yr-60.1%1.3% conv. - **chi 3 in 1 blowout brush dryer**2K/yr+24.7%3.1% conv. - **chi round 3-in-1 blowout brush dryer**5K/yr-60.1%2.9% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/brush-30-40-heating-brush-infused-with-keratin/search-terms)
## **Top brush 30/40 heating brush - infused with keratin 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%$6K20%$13K30%$19K40%$25K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**CHI Volumizer 4-in-1 Blowout Brush Hair Dryer Multi-Attachment Ceramic Ionic Styling Tool Preserves Natural Hair Moisture for Easy Styling Frizz Control & Shine Includes 4 Attachments 1000W Black**CHI**$72.28**4.2★2,553 rev](https://www.amazon.com/dp/B089TPH2D8) [2**CHI Volumizer 4-in-1 Blowout Brush Hair Dryer for Smooth Silky & Shiny Hair Four Interchangeable Attachments for Versatile Styling Rose Gold**CHI**$75.48**4.2★2,553 rev](https://www.amazon.com/dp/B09ZK9FKHQ) [3**CHI 3-in-1 Round Blowout Brush Hair Dryer Brush for Smooth Frizz-Free Hair 3 Interchangeable Brush Heads & Adjustable Heat Settings**CHI**$108.12**4.0★611 rev](https://www.amazon.com/dp/B09ZK3MJZK) [4**K&K Thermal Brush Curling Iron 1.77 Inch Ceramic Tourmaline Ionic Hair Styler for Loose & Voluminous Curls Dual Voltage for Long Hair**K&K**$41.35**4.1★1,412 rev](https://www.amazon.com/dp/B0BDY91NWD) [5**K&K 1.5 Inch Ceramic Tourmaline Ionic Curling Brush Volumizer - Hot Brush Creates Root Volume & Loose Curls Volume Curls Hair Styling Tool**K&K**$41.30**4.1★1,412 rev](https://www.amazon.com/dp/B09K4XMH77)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**LANGE HAIR VolumeBoost 60mm 2-in-1 Ceramic Volumizing Brush Dryer | Fast Drying & Styling for Frizz-Free Voluminous Blowouts | Ceramic-Coated Barrel (Blush)**L'ANGE HAIR**$45.66**824 rev10mo ago](https://www.amazon.com/dp/B0FN6J6ZCH) [**CHI Volume Styler Blowout Brush for Amplified Volume Heated Comb to Smoothen & Straighten Hair 2-in-1 Hair Tool Red**CHI**$63.82**110 rev1y ago](https://www.amazon.com/dp/B0DWTYQTN4) [**CHI Volume Styler Blowout Brush for Amplified Volume Heated Comb to Smoothen & Straighten Hair 2-in-1 Hair Tool Pink**CHI**$57.51**110 rev1y ago](https://www.amazon.com/dp/B0DWTZ88JD) [**K&K Thermal Brush Heated Round Brush - Blowout Look Volumizer with 1.77 inch Heated Round for Hair Styler Tool Hair Straightener and Curler 2 in 1 Dual Voltage Temperture Contronal**K&K**$33.30**176 rev1y ago](https://www.amazon.com/dp/B0FCXXP572) [**Blow Dryer Brush Set Wavytalk Air Sculpt 5-in-1 Hot Air Brush Set Multi Hair Styler for Salon Blowouts Smooth Curls Volumizing and Straightening Sleek and Less Frizz Pink**wavytalk**$53.55**2,206 rev2y ago](https://www.amazon.com/dp/B0D7HGNMZ1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**K&K Thermal Brush Heated Round Brush - Blowout Look Volumizer with 1.77 inch Heated Round for Hair Styler Tool Hair Straightener and Curler 2 in 1 Dual Voltage Temperture Contronal**K&K**$33.30**4.0★**▲ 245%**](https://www.amazon.com/dp/B0FCXXP572) [**REVLON One-Step Volumizer Hair Dryer and Styler Easy Salon-Style Blowouts Less Frizz More Shine and Reduced Heat Damage for All Hair Types and Lengths (Black)**REVLON**$35.68**4.6★**▲ 171%**](https://www.amazon.com/dp/B01LSUQSB0) [**LANGE HAIR VolumeBoost 60mm 2-in-1 Ceramic Volumizing Brush Dryer | Fast Drying & Styling for Frizz-Free Voluminous Blowouts | Ceramic-Coated Barrel (Blush)**L'ANGE HAIR**$45.66**4.4★**▲ 96%**](https://www.amazon.com/dp/B0FN6J6ZCH) [**MegaWise Hair Straightener Brush KL1025-2-in-1 Ionic Hair Straightening & Detangling Brush with Adjustable Temperature Anti-Scald Technology and Auto Shut-Off - Ideal for All Hair Types**MEGAWISE**$21.89**4.3★**▲ 85%**](https://www.amazon.com/dp/B08P48L2JJ) [**TYMO Hair Dryer Brush Blow Dryer Brush in One 4 in 1 Ionic Hairdryer and Styler Volumizer with Oval Titanium Barrel Hot Air Straightener for Smooth Frizz-Free Blowout Gold 2.85 Inch**TYMO**$29.02**4.4★**▲ 85%**](https://www.amazon.com/dp/B08VWF7R91)
**~~View all trending →~~**
## **What buyers say about brush 30/40 heating brush - infused with keratin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**13%
*“easy to hold”*
**Quality-Overall**12%
*“The build quality feels solid”*
**Hair Styling**10%
*“styling my hair”*
**Suitability Straight Hair**8%
*“It straightens my hair with few passes making my hair smooth”*
**Value For Money**7%
*“Best money spent”*
**Moist/Dry**6%
*“Dries Fast”*
**Heating**4%
*“Good heat”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Soft Feel**4%
*“Smooth and Silky”*
**Suitability Curly Hair**4%
*“does a great job on my curly hair”*
### **What buyers complain about **
**Durability**15%
*“Broke within a month”*
**Heating**10%
*“Extremely hot”*
**Size-Overall**7%
*“Way too large”*
**Hair Related**5%
*“my hair also doesnt hold with this one at all”*
**Suitability Short Hair**5%
*“It doesnt work for short hair”*
**Functionality-Overall**5%
*“Did not work”*
**Quality-Overall**4%
*“Poor Quality”*
**Ease Of Use**3%
*“Difficult to hold”*
**Product Condition**3%
*“Clearly used”*
**Suitability Straight Hair**3%
*“Doesnt really straighten my hair”*
### **Top return reasons **
**Size-Overall**22%
**Suitability Short Hair**11%
**Functionality-Overall**10%
**Suitability Straight Hair**9%
**Advertised Vs Actual Product**8%
**Suitability Long Hair**7%
**Heating**5%
**Product Condition**4%
**Damage/Burn Hair**3%
**Weight Heavy**3%
## **Common questions**
- **Is brush 30/40 heating brush - infused with keratin profitable to sell on Amazon United States?**
- The niche generates $63K/yr across 19 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -27.1%. Flapen's verdict: Skip it (31/100).
- **How competitive is the brush 30/40 heating brush - infused with keratin niche?**
- 7 brands and 51 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in brush 30/40 heating brush - infused with keratin?**
- Top complaints mined from reviews: Durability, Heating, Size-Overall. The return rate is 5.4% — above our launch gate.
- **When does demand for brush 30/40 heating brush - infused with keratin peak?**
- Demand peaks in Nov–Dec; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the brush 30/40 heating brush - infused with keratin niche?**
- Listings span $13.24–$108.12; the average listing price is $47.21 (sweet spot $15–$100). The average incumbent carries 28,219 reviews — the moat a new listing must climb.
## **Related niches in Beauty & Personal Care**
- 75 [**bio oil lotion**](https://flapen.com/research/us/beauty-personal-care/bio-oil-lotion)$654K/yr+95.9%**Worth a look**- 75 [**glossier futuredew serum**](https://flapen.com/research/us/beauty-personal-care/glossier-futuredew-serum)$344K/yr+383.6%**Worth a look**- 75 [**press on toenails**](https://flapen.com/research/us/beauty-personal-care/press-on-toenails)$2.4M/yr+79.4%**Launch it**- 75 [**skulta deep peptide eye mask**](https://flapen.com/research/us/beauty-personal-care/skulta-deep-peptide-eye-mask)$58K/yr>1,000%**Worth a look**- 75 [**mineral sunscreen spray**](https://flapen.com/research/us/beauty-personal-care/mineral-sunscreen-spray)$3.8M/yr+183.8%**Launch it**- 76 [**collagen oil**](https://flapen.com/research/us/beauty-personal-care/collagen-oil)$344K/yr+116.2%**Worth a look**[**All Beauty & Personal Care niches **](https://flapen.com/research/us/beauty-personal-care)