---
title: "Korean Eyeliner — $135K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/korean-eyeliner"
last_updated: "2026-08-11T18:43:06.785Z"
locale: en
meta:
  description: "Niche score 43/100 · $135K/yr market · 248K searches/yr · $12.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · $135K/yr market · 248K searches/yr · $12.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Korean Eyeliner — $135K/yr Amazon US Niche (2026) - Flapen"
---

# **korean eyeliner**

**Skip it**

Prices mostly outside the sweet spot ($5.07–$15.96) — this niche doesn't clear our bar today.

Market size 30Growth 23Conversion 54Competition 48Returns 86Price range 9Avg price 50Brand share 21Review moat 41Quality gap 63

**Returns**

**Great****1.5%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****4.5%**

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

**Avg price**

**Good****$12.04**

avg listing price — sweet spot $15–$100

**Competition**

**Okay****56%**

top-5 click share — leaders hold, buyers still browse

**Review moat**

**Okay****2,365.41**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****$135K**

$135K/yr · 248K searches

**Growth**

**Bad****-4.8%**

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

**Brand share**

**Bad****92%**

top-5 brand share — brand-locked demand

**Price range**

**Bad****$5.07–$15.96**

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

According to Flapen's Amazon United States niche tracking, korean eyeliner is a $135K/yr Amazon United States market (248K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Feb. Verdict: Skip it — 43/100.

Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **korean eyeliner market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**13K–15K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$151K–$181K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#176**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**77%**</dd>

<dt>**Out of stock**</dt><dd>**9.0%**</dd>

<dt>**Avg brand age**</dt><dd>**60 months**</dd>

<dt>**Avg seller age**</dt><dd>**137 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**9 **▼falling

**Sellers**

**58**

**Top-5 brand share**

**92%**

Top 20: 100%

**Top-5 click share**

**56%**

Top 20: 97%

**Open market**

**5%**

- Heroine Make54% - CLIO PROFESSIONAL17% - JUDYDOLL11% - CANMAKE6% - lilybyred4% - ICATHUNY4% - Open — no brand owns it (3 brands, 5%)

## **Demand & seasonality**

Weekly Amazon search volume, last 103 weeks — -4.8% search growth over the last 90 days.

15K10KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay

Peak months: Feb · busiest ÷ quietest = 3.1×

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/korean-eyeliner/trend)

## **Top korean eyeliner search terms**

- **korean eyeliner**65K/yr-6.5%2.4% conv. - **heroine make eyeliner**39K/yr+13.4%6.5% conv. - **japanese eyeliner**27K/yr-7.2%4.4% conv. - **kiss me eyeliner**20K/yr-14.9%4.6% conv. - **heroine eyeliner**12K/yr-7.6%6.1% conv. - **eyeliner korean**10K/yr-13.2%4.3% conv. - **asian eyeliner**9K/yr-14.8%3.1% conv. - **kissme eye liner**10K/yr-26.4%5.2% conv. - **kiss me heroine eyeliner**8K/yr-1.0%5.2% conv. - **dejavu eyeliner**7K/yr+13.9%0.4% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/korean-eyeliner/search-terms)

## **Top korean 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%10%$14K20%$27K30%$41K40%$54K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 22 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Heroine Make by KissMe Smooth Liquid Eyeliner | Waterproof Black Liquid Eyeliner Pen | Smudge-Proof Formula for Long-Lasting Wear | Hypoallergenic for Sensitive Eyes | Made in Japan](https://m.media-amazon.com/images/I/51xH9i1DC9L.jpg)**Heroine Make by KissMe Smooth Liquid Eyeliner | Waterproof Black Liquid Eyeliner Pen | Smudge-Proof Formula for Long-Lasting Wear | Hypoallergenic for Sensitive Eyes | Made in Japan**Heroine Make**$13.68**4.3★5,015 rev](https://www.amazon.com/dp/B00RWME3MU) [2![Heroine Make by KissMe Smooth Liquid Eyeliner | Waterproof Brown Black Liquid Eyeliner Pen | Smudge-Proof Formula for Long-Lasting Wear | Hypoallergenic for Sensitive Eyes | Made in Japan](https://m.media-amazon.com/images/I/516x7EhwJ1L.jpg)**Heroine Make by KissMe Smooth Liquid Eyeliner | Waterproof Brown Black Liquid Eyeliner Pen | Smudge-Proof Formula for Long-Lasting Wear | Hypoallergenic for Sensitive Eyes | Made in Japan**Heroine Make**$13.70**4.3★5,015 rev](https://www.amazon.com/dp/B074PWFNLG) [3![JUDYDOLL Ultra-Fine Liquid Eyeliner-Precision Tip for Wing Line Smudge-Proof Quick-Drying Waterproof Easy to Get Inner Corner Lined Hooded Eyes-Friendly (#01 Black)](https://m.media-amazon.com/images/I/31zm68E7COL.jpg)**JUDYDOLL Ultra-Fine Liquid Eyeliner-Precision Tip for Wing Line Smudge-Proof Quick-Drying Waterproof Easy to Get Inner Corner Lined Hooded Eyes-Friendly (#01 Black)**JUDYDOLL**$13.27**4.4★392 rev](https://www.amazon.com/dp/B0F5B4WHHM) [4![Heroine Make by KissMe Super Durable Eyeliner | Waterproof Liquid Eyeliner | Brown Black Liner for Long-Lasting Color | Smudge-Proof Formula | Hypoallergenic for Sensitive Eyes | Japanese Makeup](https://m.media-amazon.com/images/I/41gqfqDN7ZL.jpg)**Heroine Make by KissMe Super Durable Eyeliner | Waterproof Liquid Eyeliner | Brown Black Liner for Long-Lasting Color | Smudge-Proof Formula | Hypoallergenic for Sensitive Eyes | Japanese Makeup**Heroine Make**$14.65**4.3★2,169 rev](https://www.amazon.com/dp/B08CCLSBTJ) [5![Heroine Make by KissMe Super Durable Eyeliner | Waterproof Liquid Eyeliner | Black Liquid Liner for Long-Lasting Color | Smudge-Proof Formula | Hypoallergenic for Sensitive Eyes | Japanese Makeup](https://m.media-amazon.com/images/I/41nZ6Ci2tmL.jpg)**Heroine Make by KissMe Super Durable Eyeliner | Waterproof Liquid Eyeliner | Black Liquid Liner for Long-Lasting Color | Smudge-Proof Formula | Hypoallergenic for Sensitive Eyes | Japanese Makeup**Heroine Make**$15.81**4.3★2,169 rev](https://www.amazon.com/dp/B08CD1X91F)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Heroine Make by KissMe Smooth Liquid Eyeliner | Waterproof Brown Liquid Eyeliner Pen | Smudge-Proof Formula for Long-Lasting Wear | Hypoallergenic for Sensitive Eyes | Made in Japan](https://m.media-amazon.com/images/I/51AYhTNvivL.jpg)**Heroine Make by KissMe Smooth Liquid Eyeliner | Waterproof Brown Liquid Eyeliner Pen | Smudge-Proof Formula for Long-Lasting Wear | Hypoallergenic for Sensitive Eyes | Made in Japan**Heroine Make**$14.60**5,015 rev11mo ago](https://www.amazon.com/dp/B0FJG4ZMW9) [![Heroine Make by KissMe Durable Eyeliner | Waterproof Liquid Liner | Black for Long-Lasting Color | Smudge-Proof Formula | Hypoallergenic for Sensitive Eyes | Japanese Makeup](https://m.media-amazon.com/images/I/51OOKtUgKKL.jpg)**Heroine Make by KissMe Durable Eyeliner | Waterproof Liquid Liner | Black for Long-Lasting Color | Smudge-Proof Formula | Hypoallergenic for Sensitive Eyes | Japanese Makeup**Heroine Make**$15.96**56 rev1y ago](https://www.amazon.com/dp/B0FBTNDFJ4) [![SHEGLAM Gel Glide Eyeliner Pencil Creamy Waterproof Smudgeproof Longwearing Eyeliner-Brown](https://m.media-amazon.com/images/I/31DB2M+rCxL.jpg)**SHEGLAM Gel Glide Eyeliner Pencil Creamy Waterproof Smudgeproof Longwearing Eyeliner-Brown**SHEGLAM**$5.07**420 rev1y ago](https://www.amazon.com/dp/B0F7RCNJL2) [![JUDYDOLL Ultra-Fine Liquid Eyeliner-Precision Tip for Wing Line Smudge-Proof Quick-Drying Waterproof Easy to Get Inner Corner Lined Hooded Eyes-Friendly (#01 Black)](https://m.media-amazon.com/images/I/31zm68E7COL.jpg)**JUDYDOLL Ultra-Fine Liquid Eyeliner-Precision Tip for Wing Line Smudge-Proof Quick-Drying Waterproof Easy to Get Inner Corner Lined Hooded Eyes-Friendly (#01 Black)**JUDYDOLL**$13.27**392 rev1y ago](https://www.amazon.com/dp/B0F5B4WHHM) [![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)](https://m.media-amazon.com/images/I/31yOSrbP-0L.jpg)**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)

**~~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)](https://m.media-amazon.com/images/I/31yOSrbP-0L.jpg)**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★**▲ 163%**](https://www.amazon.com/dp/B0F59ZZKH8) [![JUDYDOLL Ultra-Fine Liquid Eyeliner-Precision Tip for Wing Line Smudge-Proof Quick-Drying Waterproof Easy to Get Inner Corner Lined Hooded Eyes-Friendly (#01 Black)](https://m.media-amazon.com/images/I/31zm68E7COL.jpg)**JUDYDOLL Ultra-Fine Liquid Eyeliner-Precision Tip for Wing Line Smudge-Proof Quick-Drying Waterproof Easy to Get Inner Corner Lined Hooded Eyes-Friendly (#01 Black)**JUDYDOLL**$13.27**4.4★**▲ 87%**](https://www.amazon.com/dp/B0F5B4WHHM) [![CLIO Superproof Pen Liquid Eyeliner Waterproof Smudge Proof Long Wear Ultra Precision Sponge Tip One Stroke High Pigment Color Fast Dry Formula Sharp Wing Safe for Sensitive Eyes (001 Black)](https://m.media-amazon.com/images/I/311hC10OEpL.jpg)**CLIO Superproof Pen Liquid Eyeliner Waterproof Smudge Proof Long Wear Ultra Precision Sponge Tip One Stroke High Pigment Color Fast Dry Formula Sharp Wing Safe for Sensitive Eyes (001 Black)**CLIO PROFESSIONAL**$12.82**4.4★**▲ 64%**](https://www.amazon.com/dp/B0DHS9NY3G) [![lilybyred AM9 to PM9 Survival Penliner | Korean Waterproof Liquid Eyeliner 0.1mm Ultra-Fine Brush Highly Pigmented Quick-Dry Smudge-Proof Long-Lasting Precision Line 0.021 oz. (01 Matt Black)](https://m.media-amazon.com/images/I/41bvBOxpHxL.jpg)**lilybyred AM9 to PM9 Survival Penliner | Korean Waterproof Liquid Eyeliner 0.1mm Ultra-Fine Brush Highly Pigmented Quick-Dry Smudge-Proof Long-Lasting Precision Line 0.021 oz. (01 Matt Black)**lilybyred**$12.07**4.6★**▲ 54%**](https://www.amazon.com/dp/B07JN4D9PM) [![SHEGLAM Gel Glide Eyeliner Pencil Creamy Waterproof Smudgeproof Longwearing Eyeliner-Brown](https://m.media-amazon.com/images/I/31DB2M+rCxL.jpg)**SHEGLAM Gel Glide Eyeliner Pencil Creamy Waterproof Smudgeproof Longwearing Eyeliner-Brown**SHEGLAM**$5.07**4.2★**▲ 42%**](https://www.amazon.com/dp/B0F7RCNJL2)

**~~View all trending →~~**

## **What buyers say about korean eyeliner**

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

### **What buyers love **

**Eyeliner Quality**17%

*“Best eyeliner I've used”*

**Ease Of Use**10%

*“Goes on easy”*

**Color**8%

*“Subtle color which I like”*

**Quality-Overall**7%

*“Perfect liners”*

**Smudge Resistance**7%

*“Doesnt smudge”*

**Ease Of Application**7%

*“Smooth application”*

**Eyelash Quality**6%

*“Perfect for a subtle, natural eye look, can get very close to the lash line”*

**Soft Feel**6%

*“It's really soft”*

**Thickness**5%

*“Gives you the thinnest lines”*

**Durability**4%

*“Stays all day”*

### **What buyers complain about **

**Moist/Dry**15%

*“it was almost completely dry”*

**Smudge Resistance**10%

*“Smudges”*

**Color**10%

*“Very black”*

**Water Resistance**6%

*“Yet, not water proof”*

**Quality-Overall**5%

*“Definitely not as good as they make it look”*

**Eyeliner Quality**5%

*“I was disappointed- the eyeliner broke apart”*

**Durability**5%

*“Broke Apart”*

**Leak-Proof**4%

*“Leaks everywhere”*

**Thickness**3%

*“It is thin”*

**Value For Money**3%

*“Waste of money”*

### **Top return reasons **

**Eyeliner Quality**30%

**Color**17%

**Moist/Dry**12%

**Advertised Vs Actual Product**6%

**Water Resistance**6%

**Functionality-Overall**5%

**Value For Money**4%

**Product Condition**3%

**Defective Material/Parts**2%

**Durability**2%

## **Common questions**

<dl>

<dt>**Is korean eyeliner profitable to sell on Amazon United States?**</dt><dd>The niche generates $135K/yr across 22 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -4.8%. Flapen's verdict: Skip it (43/100).</dd>

<dt>**How competitive is the korean eyeliner niche?**</dt><dd>9 brands and 58 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 92% of demand.</dd>

<dt>**What do buyers complain about in korean eyeliner?**</dt><dd>Top complaints mined from reviews: Moist/Dry, Smudge Resistance, Color. The return rate is 1.5%.</dd>

<dt>**When does demand for korean eyeliner peak?**</dt><dd>Demand peaks in Feb; the busiest month runs 3.1× the quietest.</dd>

<dt>**What does it cost to enter the korean eyeliner niche?**</dt><dd>Listings span $5.07–$15.96; the average listing price is $12.04 (sweet spot $15–$100). The average incumbent carries 2,365 reviews — the moat a new listing must climb.</dd>

</dl>

## **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)