---
title: "Hanakoko Eyeliner Stamp — $165K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/hanakoko-eyeliner-stamp"
last_updated: "2026-08-11T15:54:18.106Z"
locale: en
meta:
description: "Niche score 44/100 · $165K/yr market · 135K searches/yr · $11.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $165K/yr market · 135K searches/yr · $11.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Hanakoko Eyeliner Stamp — $165K/yr Amazon US Niche (2026) - Flapen"
---
# **hanakoko eyeliner stamp**
**Skip it**
A concentrated shelf (top 5 take 85% of clicks) — this niche doesn't clear our bar today.
Market size 34Growth 19Conversion 89Competition 12Returns 79Price range 49Avg price 48Brand share 21Review moat 24Quality gap 95
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Great****10.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Price range**
**Okay****$8.12–$21.65**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****$11.77**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****$165K**
$165K/yr · 135K searches
**Review moat**
**Bad****5,011.63**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-12.7%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Signals**[** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0")
According to Flapen's Amazon United States niche tracking, hanakoko eyeliner stamp is a $165K/yr Amazon United States market (135K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 44/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hanakoko eyeliner stamp market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$71K–$94K**
- units × avg price
- **Conversion rate**
- **10.4%**
- **Avg BSR**
- **#206**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **2.1%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **152 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**9**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**3%**
- PAGE VINE59% - The Flick Stick10% - Erinde9% - 2CHILL7% - SIVSEA6% - Petansy5% - Open — no brand owns it (1 brand, 3%)
## **Demand**
Weekly Amazon search volume, last 35 weeks — -12.7% search growth over the last 90 days.
9K7KHoliday '25Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/hanakoko-eyeliner-stamp/trend)
## **Top hanakoko eyeliner stamp search terms**
- **rotating eyeliner stamp pen**76K/yr+5.0%4.4% conv. - **eyeliner stamp pen**23K/yr-30.6%3.4% conv. - **pagevine eyeliner stamp**23K/yr-37.0%5.9% conv. - **rotating eyeliner stamp**13K/yr-29.4%4.9% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/hanakoko-eyeliner-stamp/search-terms)
## **Top hanakoko eyeliner stamp 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%15%$25K30%$50K45%$74K60%$99K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**PAGE VINE Winged Eyeliner Stamp Pen Dual Head Rotating Design Quick-Dry Long-Lasting Smudge-Proof for Easy Cat Eye (Black)**PAGE VINE**$8.15**4.1★473 rev](https://www.amazon.com/dp/B0GBTZTZLD) [2**The Flick Stick Winged Eyeliner Stamp For Quick and Easy Cat Eye Makeup SmudgeProof & Waterpoof Eye Liner Cat Eye Stencil Makeup Tool Wingliner Liquid Eyeliner Pens (10mm Classic Midnight Black)**The Flick Stick**$15.94**4.2★38,410 rev](https://www.amazon.com/dp/B07GM317JJ) [3**Erinde Winged Eyeliner Stamp Pen Dual Head Rotating Eyeliner Stamp Pencil for Perfect Wings Quick-Dry Long-Lasting Waterproof Smudge-Proof Cat Eye Stamp Liquid Eye Liner Tool for Beginners Black**Erinde**$8.12**3.9★92 rev](https://www.amazon.com/dp/B0GHY3BZK3) [4**2CHILL 2-Pack Rotating Eyeliner Stamp Pen Dual-Ended Winged Eyeliner Stamp Cat Eye Tool Waterproof & Smudge-Proof Long-Lasting Make up Matte Finish Liquid Eyeliner for Beginners Black & Brown**2CHILL**$9.99**4.2★387 rev](https://www.amazon.com/dp/B0G9NKDHZ9) [5**SIVSEA Eyeliner Stamp Waterproof Smudge Proof Eyeliners Pen Black**SIVSEA**$12.30**3.8★44 rev](https://www.amazon.com/dp/B0GT7N5C77)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SIVSEA Eyeliner Stamp Waterproof Smudge Proof Eyeliners Pen Black**SIVSEA**$12.30**44 rev3mo ago](https://www.amazon.com/dp/B0GT7N5C77) [**Unicos Winged Eyeliner Stamp - 90 Ergonomic Cat Eye Makeup Tool with Dual-Sided L/R Symmetry Waterproof & Smudge-Proof Liquid Eye Liner Pen 2.1ml High Capacity Long Lasting Finish 12mm**Unicos**$21.65**96 rev5mo ago](https://www.amazon.com/dp/B0GKH6Y9MK) [**Erinde Winged Eyeliner Stamp Pen Dual Head Rotating Eyeliner Stamp Pencil for Perfect Wings Quick-Dry Long-Lasting Waterproof Smudge-Proof Cat Eye Stamp Liquid Eye Liner Tool for Beginners Black**Erinde**$8.12**92 rev5mo ago](https://www.amazon.com/dp/B0GHY3BZK3) [**PAGE VINE Winged Eyeliner Stamp Pen Dual Head Rotating Design Quick-Dry Long-Lasting Smudge-Proof for Easy Cat Eye (Black)**PAGE VINE**$8.15**473 rev6mo ago](https://www.amazon.com/dp/B0GBTZTZLD) [**PAGE VINE Winged Eyeliner Stamp Pen Dual Head Rotating Design Quick-Dry Long-Lasting Smudge-Proof for Easy Cat Eye (Brown)**PAGE VINE**$8.41**473 rev6mo ago](https://www.amazon.com/dp/B0GBWBJV37)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SIVSEA Eyeliner Stamp Waterproof Smudge Proof Eyeliners Pen Black**SIVSEA**$12.30**3.8★**▲ 208%**](https://www.amazon.com/dp/B0GT7N5C77) [**PAGE VINE Winged Eyeliner Stamp Pen Dual Head Rotating Design Quick-Dry Long-Lasting Smudge-Proof for Easy Cat Eye (Brown)**PAGE VINE**$8.41**4.1★**▲ 208%**](https://www.amazon.com/dp/B0GBWBJV37) [**2CHILL 2-Pack Rotating Eyeliner Stamp Pen Dual-Ended Winged Eyeliner Stamp Cat Eye Tool Waterproof & Smudge-Proof Long-Lasting Make up Matte Finish Liquid Eyeliner for Beginners Black & Brown**2CHILL**$9.99**4.2★**▲ 175%**](https://www.amazon.com/dp/B0G9NKDHZ9) [**Unicos Winged Eyeliner Stamp - 90 Ergonomic Cat Eye Makeup Tool with Dual-Sided L/R Symmetry Waterproof & Smudge-Proof Liquid Eye Liner Pen 2.1ml High Capacity Long Lasting Finish 12mm**Unicos**$21.65**3.6★**▲ 167%**](https://www.amazon.com/dp/B0GKH6Y9MK) [**Erinde Winged Eyeliner Stamp Pen Dual Head Rotating Eyeliner Stamp Pencil for Perfect Wings Quick-Dry Long-Lasting Waterproof Smudge-Proof Cat Eye Stamp Liquid Eye Liner Tool for Beginners Black**Erinde**$8.12**3.9★**▲ 152%**](https://www.amazon.com/dp/B0GHY3BZK3)
**~~View all trending →~~**
## **What buyers say about hanakoko eyeliner stamp**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**26%
*“really easy to work with”*
**Eyeliner Quality**14%
*“Saves me so much time in the morning putting on eyeliner”*
**Color**9%
*“I really love this color”*
**Ease Of Application**7%
*“Application is easy to put on”*
**Quality-Overall**5%
*“These are so much better than I could have even expected they would be”*
**Value For Money**5%
*“Reasonable price”*
**Durability**4%
*“Really durable”*
**Smudge Resistance**4%
*“so far no Smudge no nothing”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Water Resistance**2%
*“completely waterproof”*
### **What buyers complain about **
**Quality-Overall**7%
*“Low quality”*
**Moist/Dry**7%
*“One side completely dry”*
**Smudge Resistance**6%
*“it smudges almost immediately”*
**Color**6%
*“the brown is horrific”*
**Durability**5%
*“But doesnt last”*
**Ease Of Use**5%
*“it was not as easy as I hoped it would be”*
**Functionality-Overall**5%
*“Doesnt even work”*
**Value For Money**5%
*“Waste of money”*
**Water Resistance**4%
*“Yeah not smudge or waterproof what so ever- Everytime Ive put it on it disappears”*
**Size-Overall**4%
*“Short”*
### **Top return reasons **
**Eyeliner Quality**32%
**Functionality-Overall**16%
**Advertised Vs Actual Product**11%
**Size-Overall**8%
**Moist/Dry**5%
**Shape/Style**4%
**Quality-Overall**3%
**Color**3%
**Ease Of Use**3%
**Thickness**2%
## **Common questions**
- **Is hanakoko eyeliner stamp profitable to sell on Amazon United States?**
- The niche generates $165K/yr across 8 tracked products. 5 of 7 products launched in the last 360 days are still selling. 90-day search growth is -12.7%. Flapen's verdict: Skip it (44/100).
- **How competitive is the hanakoko eyeliner stamp niche?**
- 7 brands and 9 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in hanakoko eyeliner stamp?**
- Top complaints mined from reviews: Quality-Overall, Moist/Dry, Smudge Resistance. The return rate is 1.8%.
- **What does it cost to enter the hanakoko eyeliner stamp niche?**
- Listings span $8.12–$21.65; the average listing price is $11.77 (sweet spot $15–$100). The average incumbent carries 5,012 reviews — the moat a new listing must climb.
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