---
title: "Flat Foundation Brush — $1.5M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/flat-foundation-brush"
last_updated: "2026-08-11T05:04:31.131Z"
locale: en
meta:
description: "Niche score 55/100 · $1.5M/yr market · 1.8M searches/yr · $31.18 avg price. Soft demand (-4.1% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $1.5M/yr market · 1.8M searches/yr · $31.18 avg price. Soft demand (-4.1% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Flat Foundation Brush — $1.5M/yr Amazon US Niche (2026) - Flapen"
---
# **flat foundation brush**
**Worth a look**
Shows a sweet-spot price point ($31.18 avg), but soft demand (-4.1% this quarter) keeps it on the watch list.
Market size 86Growth 23Conversion 33Competition 45Returns 92Price range 82Avg price 95Brand share 24Review moat 35Quality gap 62
**Avg price**
**Incredible****$31.18**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Market size**
**Great****$1.5M**
$1.5M/yr · 1.8M searches
**Price range**
**Great****$3.86–$74.94**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****58%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****3,006.25**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****2.7%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****90%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-4.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, flat foundation brush is a $1.5M/yr Amazon United States market (1.8M searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 55/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **flat foundation brush market data**
- **Units sold / yr**
- **30K–40K**
- avg 500–750/product
- **Revenue / yr**
- **$935K–$1.2M**
- units × avg price
- **Conversion rate**
- **2.7%**
- **Avg BSR**
- **#503**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **79%**
- **Out of stock**
- **1.8%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **128 days**
## **Competition & brand share**
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▼falling
**Sellers**
**185**
**Top-5 brand share**
**90%**
Top 20: 100%
**Top-5 click share**
**58%**
Top 20: 95%
**Open market**
**6%**
- Huda37% - BEAUTYFACTOR28% - Haus Laboratories15% - KINGMAS5% - ACMEBEAUTY5% - ENERGY3% - Open — no brand owns it (4 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -4.1% search growth over the last 90 days.
25K15KSpike '24Spike '25Black Friday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.4×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/flat-foundation-brush/trend)
## **Top flat foundation brush search terms**
- **huda beauty**785K/yr-4.2%0.3% conv. - **haus labs foundation**338K/yr-18.7%0.3% conv. - **flat foundation brush**126K/yr+19.2%6.1% conv. - **ysl makeup**88K/yr+9.8%0.0% conv. - **huda**90K/yr+0.7%0.2% conv. - **flat makeup brush**55K/yr+24.4%4.6% conv. - **spatula brush makeup**37K/yr-0.3%7.3% conv. - **spatula foundation brush**30K/yr-17.6%6.6% conv. - **flat brush makeup**25K/yr+18.9%2.8% conv. - **spatula makeup brush**20K/yr-18.4%7.4% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/flat-foundation-brush/search-terms)
## **Top flat foundation 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%$147K20%$293K30%$440K40%$586K1101001K10K100K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**BEAUTYFACTOR Flat Foundation Brush Korean Makeup Brush Spatula Facial Brush for Liquid Foundation Premium Face Makeup Brush for Blending Cream (Silver)**BEAUTYFACTOR**$4.77**4.3★1,851 rev](https://www.amazon.com/dp/B0D3DYC7C1) [2**HUDA BEAUTY Easy Bake Loose Baking & Setting Powder Cherry Blossom**Huda**$45.12**4.7★267 rev](https://www.amazon.com/dp/B0B869RLB1) [3**Huda Easy Bake Fragrance Free Loose Baking & Setting Powder - Pound Cake (Fair Light Medium and Tan Skin Tones) - 0.71 oz / 20 g**Huda**$43.72**4.6★232 rev](https://www.amazon.com/dp/B0DNWJ6NJK) [4**HAUS LABS BY LADY GAGA Triclone Skin Tech Medium Coverage Foundation with Fermented Arnica 100 Light Neutral**Haus Laboratories**$71.39**4.2★6 rev](https://www.amazon.com/dp/B0BLV4VD67) [5**Flat Foundation Brush for Liquid Makeup - Korean Makeup Spatula Brush Ultra Thin Professional Face Brush for Blending Cream Concealer Primer Streak-Free Seamless Application Soft Synthetic (Beige)**ACMEBEAUTY**$7.82**4.4★52 rev](https://www.amazon.com/dp/B0G34F3NS1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Flat Foundation Brush for Liquid Makeup - Korean Makeup Spatula Brush Ultra Thin Professional Face Brush for Blending Cream Concealer Primer Streak-Free Seamless Application Soft Synthetic (Beige)**ACMEBEAUTY**$7.82**52 rev5mo ago](https://www.amazon.com/dp/B0G34F3NS1) [**Este Lauder Double Wear Stay-in-Place Foundation Makeup | 36-Hour Long-Wear Oil-Free Liquid Matte Foundation | Hydrating Breathable Buildable | New Formula 1 Fl Oz 1W1 Bone**Estée Lauder**$44.10**859 rev5mo ago](https://www.amazon.com/dp/B0FWCZJCSY) [**Ultrathin Foundation Brush for Liquid Makeup Flat Spatula Liquid Foundation Brush Premium Face Makeup Brush for Blending Cream (Rose Gold)**BEAUTYFACTOR**$5.19**1,851 rev9mo ago](https://www.amazon.com/dp/B0F9VQZ33M) [**BEAUTYFACTOR Flat Foundation Brush Korean Makeup Brush Spatula Facial Brush for Liquid Foundation Premium Face Makeup Brush for Blending Cream (Coffee)**BEAUTYFACTOR**$5.15**1,851 rev11mo ago](https://www.amazon.com/dp/B0F9VQBCC6) [**KINGMAS 2Pcs Flat Foundation Brush Korean Spatula Facial Makeup Brush Ultra Thin Concealer Contour Brush for Liquid Cream Blending**KINGMAS**$5.79**471 rev1y ago](https://www.amazon.com/dp/B0F4QXKVLN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Este Lauder Double Wear Stay-in-Place Foundation Makeup | 36-Hour Long-Wear Oil-Free Liquid Matte Foundation | Hydrating Breathable Buildable | New Formula 1 Fl Oz 1W1 Bone**Estée Lauder**$44.10**4.1★**▲ 183%**](https://www.amazon.com/dp/B0FWCZJCSY) [**HAUS LABS BY LADY GAGA Triclone Skin Tech Medium Coverage Foundation with Fermented Arnica 230 Light Medium Cool**Haus Laboratories**$74.94**4.2★**▲ 176%**](https://www.amazon.com/dp/B0BLV2YP67) [**HAUS LABS BY LADY GAGA Triclone Skin Tech Medium Coverage Foundation with Fermented Arnica 130 Light Warm**Haus Laboratories**$61.06**4.4★**▲ 170%**](https://www.amazon.com/dp/B0BLV5L13T) [**HAUS LABS BY LADY GAGA Triclone Skin Tech Medium Coverage Foundation with Fermented Arnica 100 Light Neutral**Haus Laboratories**$71.39**4.2★**▲ 150%**](https://www.amazon.com/dp/B0BLV4VD67) [**Flat Foundation Brush for Liquid Makeup - Korean Makeup Spatula Brush Ultra Thin Professional Face Brush for Blending Cream Concealer Primer Streak-Free Seamless Application Soft Synthetic (Beige)**ACMEBEAUTY**$7.82**4.4★**▲ 97%**](https://www.amazon.com/dp/B0G34F3NS1)
**~~View all trending →~~**
## **What buyers say about flat foundation brush**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Great variety”*
**Brush Quality**18%
*“Good brushes for the price”*
**Value For Money**14%
*“Excellent value”*
**Soft Feel**13%
*“Very smooth and soft”*
**Ease Of Use**4%
*“Easy to hold”*
**Coverage**3%
*“Loved the coverage”*
**Ease Of Application**3%
*“Application is great too”*
**Suitability Combination Skin**3%
*“it matched my skin tone perfectly”*
**Ease Of Cleaning**3%
*“Easy to clean”*
**Durability**3%
*“Very durable”*
### **What buyers complain about **
**Quality-Overall**11%
*“Bad quality”*
**Smell**10%
*“Smells disgusting”*
**Value For Money**7%
*“Not worth the price”*
**Size-Overall**6%
*“Kind of small”*
**Durability**5%
*“Bristles falling out after 2 wks”*
**Color**4%
*“Received wrong color”*
**Hard Feel**4%
*“these are way to stiff”*
**Thickness**4%
*“These brushes are too dense”*
**Functionality-Overall**3%
*“this brush did not work well for me”*
**Ease Of Use**3%
*“Hard to use”*
### **Top return reasons **
**Size-Overall**16%
**Quality-Overall**15%
**Color**11%
**Advertised Vs Actual Product**9%
**Functionality-Overall**7%
**Smell**7%
**Brush Quality**6%
**Product Condition**4%
**Value For Money**3%
**Material Quality**3%
## **Common questions**
- **Is flat foundation brush profitable to sell on Amazon United States?**
- The niche generates $1.5M/yr across 24 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -4.1%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the flat foundation brush niche?**
- 10 brands and 185 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 90% of demand.
- **What do buyers complain about in flat foundation brush?**
- Top complaints mined from reviews: Quality-Overall, Smell, Value For Money. The return rate is 1.1%.
- **When does demand for flat foundation brush peak?**
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.4× the quietest.
- **What does it cost to enter the flat foundation brush niche?**
- Listings span $3.86–$74.94; the average listing price is $31.18 (sweet spot $15–$100). The average incumbent carries 3,006 reviews — the moat a new listing must climb.
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