---
title: "Brown Liquid Eyeliner — $369K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/brown-liquid-eyeliner"
last_updated: "2026-08-10T17:37:44.772Z"
locale: en
meta:
description: "Niche score 54/100 · $369K/yr market · 292K searches/yr. A deep review moat (21,975 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $369K/yr market · 292K searches/yr. A deep review moat (21,975 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Brown Liquid Eyeliner — $369K/yr Amazon US Niche (2026) - Flapen"
---
# **brown liquid eyeliner**
**Worth a look**
Shows low returns (0.7%), but a deep review moat (21,975 avg reviews) keeps it on the watch list.
Market size 54Growth 29Conversion 96Competition 49Returns 97Price range 45Avg price 27Brand share 43Review moat 15Quality gap 58
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.6%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$369K**
$369K/yr · 292K searches
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****$3.28–$24.41**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+2.8%**
90-day search growth — must beat 0% to launch
**Avg price**
**Okay****$9.26**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****21,974.65**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, brown liquid eyeliner is a $369K/yr Amazon United States market (292K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **brown liquid eyeliner market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$278K–$370K**
- units × avg price
- **Conversion rate**
- **13.6%**
- **Avg BSR**
- **#55**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **65%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **134 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **—flat
**Sellers**
**121**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 97%
**Open market**
**16%**
- NYX PROFESSIONAL MAKEUP23% - e.l.f.19% - wet n wild16% - MAYBELLINE10% - COVERGIRL10% - stila5% - Open — no brand owns it (8 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +2.8% search growth over the last 90 days.
9K7KPrime Day '25Spike '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/brown-liquid-eyeliner/trend)
## **Top brown liquid eyeliner search terms**
- **brown liquid eyeliner**114K/yr+1.8%13.8% conv. - **brown eyeliner liquid**39K/yr-3.5%12.1% conv. - **brown liquid eyeliner waterproof**21K/yr+3.3%11.7% conv. - **dark brown liquid eyeliner**16K/yr+11.6%12.2% conv. - **liquid eyeliner brown**18K/yr+7.6%12.6% conv. - **liquid brown eyeliner**14K/yr+6.6%11.5% conv. - **brown eyeliner pen**13K/yr+7.4%8.0% conv. - **covergirl liquid eyeliner**10K/yr+14.8%10.5% conv. - **light brown liquid eyeliner**9K/yr+12.9%4.9% conv. - **brown liquid liner**6K/yr+12.5%10.5% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/brown-liquid-eyeliner/search-terms)
## **Top brown liquid eyeliner 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%5%$18K10%$37K15%$55K20%$74K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**e.l.f. H2O Proof Eyeliner Pen Felt Tip Waterproof Long-Lasting High-Pigmented Liner For Bold Looks Vegan & Cruelty-Free Deep Brown**e.l.f.**$7.77**4.5★13,099 rev](https://www.amazon.com/dp/B0F2XCM5LQ) [2**NYX PROFESSIONAL MAKEUP Epic Ink Liner Waterproof Liquid Eyeliner with Vegan Formula - Dark Chocolate (Dark Brown Matte)**NYX PROFESSIONAL MAKEUP**$9.46**4.5★106,718 rev](https://www.amazon.com/dp/B0D19QGKQ4) [3**wet n wild MegaLiner Liquid Eyeliner - Dark Brown**wet n wild**$3.28**4.4★12,910 rev](https://www.amazon.com/dp/B01D8BUHNM) [4**Covergirl Perfect Point Plus Liquid Eyeliner Espresso .08 Fl. Oz.**COVERGIRL**$6.54**4.5★1,259 rev](https://www.amazon.com/dp/B08L95Y289) [5**NYX PROFESSIONAL MAKEUP Epic Ink Liner Waterproof Liquid Eyeliner with Vegan Formula - Milk Chocolate (Brown Matte)**NYX PROFESSIONAL MAKEUP**$9.42**4.5★106,718 rev](https://www.amazon.com/dp/B0D1B8SWM2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**LOreal Paris Haute Precision Waterproof Liquid Eyeliner Smudge-Proof Eye Liner with Micro-Tip for up to 28HR Eye Makeup Wear 020 Brown Leather**L'Oreal Paris**$11.13**505 rev8mo ago](https://www.amazon.com/dp/B0FST192HQ) [**e.l.f. H2O Proof Eyeliner Pen Felt Tip Waterproof Long-Lasting High-Pigmented Liner For Bold Looks Vegan & Cruelty-Free Deep Brown**e.l.f.**$7.77**13,099 rev1y ago](https://www.amazon.com/dp/B0F2XCM5LQ) [**MAYBELLINE Tattoo Studio Dip-Ink Liquid Eyeliner Waterproof Eyeliner With Up to 24 Hour Wear Brown Expression 1 Count**MAYBELLINE**$7.80**1,129 rev1y ago](https://www.amazon.com/dp/B0DZJ2KQ3B) [**JUDYDOLL Ultra-Fine Liquid Eyeliner-Precision Tip for Wing Line Smudge-Proof Quick-Drying Waterproof Easy to Get Inner Corner Lined Hooded Eyes-Friendly (#2 Deep Brown)**JUDYDOLL**$12.72**392 rev1y ago](https://www.amazon.com/dp/B0F59ZZKH8) [**essence | Lash Princess Liner Brown | Smudge Proof Matte Eyeliner with Ultra-Fine Brush Tip | Vegan & Cruelty Free**Essence Cosmetics**$4.72**480 rev1y ago](https://www.amazon.com/dp/B0D6NGM16Y)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**JUDYDOLL Ultra-Fine Liquid Eyeliner-Precision Tip for Wing Line Smudge-Proof Quick-Drying Waterproof Easy to Get Inner Corner Lined Hooded Eyes-Friendly (#2 Deep Brown)**JUDYDOLL**$12.72**4.4★**▲ 108%**](https://www.amazon.com/dp/B0F59ZZKH8) [**e.l.f. H2O Proof Eyeliner Pen Felt Tip Waterproof Long-Lasting High-Pigmented Liner For Bold Looks Vegan & Cruelty-Free Deep Brown**e.l.f.**$7.77**4.5★**▲ 65%**](https://www.amazon.com/dp/B0F2XCM5LQ) [**NYX PROFESSIONAL MAKEUP Epic Ink Liner Waterproof Liquid Eyeliner with Vegan Formula - Milk Chocolate (Brown Matte)**NYX PROFESSIONAL MAKEUP**$9.42**4.5★**▲ 60%**](https://www.amazon.com/dp/B0D1B8SWM2) [**e.l.f. Liquid Eyeliner High-pigment Liquid Eyeliner With Extra-Fine Brush Tip Easy Glide Smudge-proof Formula Jet Black**e.l.f.**$3.75**4.6★**▲ 59%**](https://www.amazon.com/dp/B00WGDF8BU) [**tarte double take eyeliner 2-in-1 Liquid & Gel Eyeliner for Bold All-Day Wear Waterproof Easy to Apply Vegan Cruelty-Free full size brown**tarte**$24.41**4.4★**▲ 33%**](https://www.amazon.com/dp/B07DZMYFHC)
**~~View all trending →~~**
## **What buyers say about brown liquid eyeliner**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Eyeliner Quality**14%
*“Best eyeliner”*
**Color**14%
*“Great color”*
**Quality-Overall**8%
*“Excellent Product”*
**Value For Money**7%
*“Good price”*
**Ease Of Use**7%
*“Ease of use”*
**Durability**6%
*“stays on well for most of the day”*
**Ease Of Application**6%
*“smooth application”*
**Smudge Resistance**4%
*“lasts all day without smudging”*
**Soft Feel**4%
*“it is soft”*
**Eyelash Quality**3%
*“Perfect for a subtle, natural eye look, can get very close to the lash line”*
### **What buyers complain about **
**Moist/Dry**12%
*“it is dry”*
**Color**11%
*“Color Is Off”*
**Durability**9%
*“breaks when ever I use it”*
**Smudge Resistance**6%
*“smears easily not happy”*
**Quality-Overall**6%
*“Not good quality”*
**Eyeliner Quality**5%
*“this eyeliner does not stay put on me”*
**Leak-Proof**4%
*“sometimes it drips everywhere”*
**Value For Money**4%
*“Very disappointing especially at this price point”*
**Ease Of Use**3%
*“I cant use it”*
**Thickness**3%
*“Its alright hard to get the line thickness exact”*
### **Top return reasons **
**Eyeliner Quality**26%
**Color**24%
**Moist/Dry**15%
**Advertised Vs Actual Product**6%
**Functionality-Overall**5%
**Water Resistance**5%
**Product Condition**2%
**Quality-Overall**2%
**Value For Money**2%
**Leak-Proof**1%
## **Common questions**
- **Is brown liquid eyeliner profitable to sell on Amazon United States?**
- The niche generates $369K/yr across 23 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.8%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the brown liquid eyeliner niche?**
- 14 brands and 121 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in brown liquid eyeliner?**
- Top complaints mined from reviews: Moist/Dry, Color, Durability. The return rate is 0.7%.
- **When does demand for brown liquid eyeliner peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the brown liquid eyeliner niche?**
- Listings span $3.28–$24.41; the average listing price is $9.26 (sweet spot $15–$100). The average incumbent carries 21,975 reviews — the moat a new listing must climb.
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