---
title: "nyk1 eyelash serum — Niche Verdict: Skip it (40/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/beauty-personal-care/nyk1-eyelash-serum"
last_updated: "2026-07-13T23:10:26.646Z"
locale: en
meta:
  description: "a concentrated shelf (top 5 take 100% of clicks) — nyk1 eyelash serum doesn't clear our bar today."
  "og:description": "a concentrated shelf (top 5 take 100% of clicks) — nyk1 eyelash serum doesn't clear our bar today."
  "og:title": "nyk1 eyelash serum — Niche Verdict: Skip it (40/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **nyk1 eyelash serum**

**Skip it**

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 5Growth 28Conversion 75Competition 0Returns 95Price range 86Avg price 95Brand share 0Review moat 15Quality gap 87

**Returns**

**Incredible****1.0%**

return rate — above 6% kills the launch gate

**Avg price**

**Incredible****$29.91**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.1★**

avg incumbent rating — lower means beatable quality

**Price range**

**Great****$11.71–$42.43**

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

**Conversion**

**Good****6.9%**

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

**Growth**

**Okay****+2.1%**

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

**Review moat**

**Bad****21,811**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****$20K**

$20K/yr · 9K searches

**Competition**

**Bad****100%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## **Competition**

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**1 **▼falling

**Sellers**

**5**

**Top-5 brand share**

**100%**

**Open market**

**0%**

- NYK1100%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%$3K30%$6K45%$9K60%$12K1K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 5 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Super Strong Nail Glue for Press On Nails Nail Tips & Acrylic Nails (8ml) NYK1 NailBond Brush On Glue for Press Ons Tips & Acrylics - Long Lasting Maximum Strength Mess-Free Application](https://m.media-amazon.com/images/I/41C8CF+AV0L.jpg)**Super Strong Nail Glue for Press On Nails Nail Tips & Acrylic Nails (8ml) NYK1 NailBond Brush On Glue for Press Ons Tips & Acrylics - Long Lasting Maximum Strength Mess-Free Application**NYK1**$11.71**4.3★92,468 rev](https://www.amazon.com/dp/B01I70RA8E) [2![NYK1 CONCENTRATED Lash Serum For Eyelash Growth (XL - 8ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Eye Lash Enhancing Formula With Easy Application And Long Lasting Results](https://m.media-amazon.com/images/I/41ws-EXNKhL.jpg)**NYK1 CONCENTRATED Lash Serum For Eyelash Growth (XL - 8ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Eye Lash Enhancing Formula With Easy Application And Long Lasting Results**NYK1**$37.95**4.0★2,632 rev](https://www.amazon.com/dp/B09WW2M33L) [3![NYK1 CONCENTRATED Lash Serum For Eyelash Growth (3ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Lash Growth Serums For Easy Application And Long Lasting Results For Fuller Eyelashes](https://m.media-amazon.com/images/I/416ycUTu9mL.jpg)**NYK1 CONCENTRATED Lash Serum For Eyelash Growth (3ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Lash Growth Serums For Easy Application And Long Lasting Results For Fuller Eyelashes**NYK1**$16.28**4.0★2,632 rev](https://www.amazon.com/dp/B0CQCTKB42) [4![NYK1 CONCENTRATED Eyebrow Growth Serum For Thicker Brows (XL - 8ml) BrowForce Eyebrow Serum To Grow Brows Fuller Thicker Natural Eye Brow - Advanced Brow Growth Serums Formula For Eyebrows Regrowth](https://m.media-amazon.com/images/I/41MvaKEuR3L.jpg)**NYK1 CONCENTRATED Eyebrow Growth Serum For Thicker Brows (XL - 8ml) BrowForce Eyebrow Serum To Grow Brows Fuller Thicker Natural Eye Brow - Advanced Brow Growth Serums Formula For Eyebrows Regrowth**NYK1**$41.16**4.0★2,632 rev](https://www.amazon.com/dp/B08XXT3WSP) [5![SALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)](https://m.media-amazon.com/images/I/41XrtUQwJrL.jpg)**SALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)**NYK1**$42.43**4.3★8,691 rev](https://www.amazon.com/dp/B01LLT7AKG)

### **Newest**

by launch date

[![NYK1 CONCENTRATED Lash Serum For Eyelash Growth (3ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Lash Growth Serums For Easy Application And Long Lasting Results For Fuller Eyelashes](https://m.media-amazon.com/images/I/416ycUTu9mL.jpg)**NYK1 CONCENTRATED Lash Serum For Eyelash Growth (3ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Lash Growth Serums For Easy Application And Long Lasting Results For Fuller Eyelashes**NYK1**$16.28**2,632 rev1y ago](https://www.amazon.com/dp/B0CQCTKB42) [![NYK1 CONCENTRATED Lash Serum For Eyelash Growth (XL - 8ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Eye Lash Enhancing Formula With Easy Application And Long Lasting Results](https://m.media-amazon.com/images/I/41ws-EXNKhL.jpg)**NYK1 CONCENTRATED Lash Serum For Eyelash Growth (XL - 8ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Eye Lash Enhancing Formula With Easy Application And Long Lasting Results**NYK1**$37.95**2,632 rev4y ago](https://www.amazon.com/dp/B09WW2M33L) [![NYK1 CONCENTRATED Eyebrow Growth Serum For Thicker Brows (XL - 8ml) BrowForce Eyebrow Serum To Grow Brows Fuller Thicker Natural Eye Brow - Advanced Brow Growth Serums Formula For Eyebrows Regrowth](https://m.media-amazon.com/images/I/41MvaKEuR3L.jpg)**NYK1 CONCENTRATED Eyebrow Growth Serum For Thicker Brows (XL - 8ml) BrowForce Eyebrow Serum To Grow Brows Fuller Thicker Natural Eye Brow - Advanced Brow Growth Serums Formula For Eyebrows Regrowth**NYK1**$41.16**2,632 rev5y ago](https://www.amazon.com/dp/B08XXT3WSP) [![SALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)](https://m.media-amazon.com/images/I/41XrtUQwJrL.jpg)**SALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)**NYK1**$42.43**8,691 rev8y ago](https://www.amazon.com/dp/B01LLT7AKG) [![Super Strong Nail Glue for Press On Nails Nail Tips & Acrylic Nails (8ml) NYK1 NailBond Brush On Glue for Press Ons Tips & Acrylics - Long Lasting Maximum Strength Mess-Free Application](https://m.media-amazon.com/images/I/41C8CF+AV0L.jpg)**Super Strong Nail Glue for Press On Nails Nail Tips & Acrylic Nails (8ml) NYK1 NailBond Brush On Glue for Press Ons Tips & Acrylics - Long Lasting Maximum Strength Mess-Free Application**NYK1**$11.71**92,468 rev9y ago](https://www.amazon.com/dp/B01I70RA8E)

### **Trending**

90-day click momentum

[![SALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)](https://m.media-amazon.com/images/I/41XrtUQwJrL.jpg)**SALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)**NYK1**$42.43**4.3★**▲ 16%**](https://www.amazon.com/dp/B01LLT7AKG) [![NYK1 CONCENTRATED Eyebrow Growth Serum For Thicker Brows (XL - 8ml) BrowForce Eyebrow Serum To Grow Brows Fuller Thicker Natural Eye Brow - Advanced Brow Growth Serums Formula For Eyebrows Regrowth](https://m.media-amazon.com/images/I/41MvaKEuR3L.jpg)**NYK1 CONCENTRATED Eyebrow Growth Serum For Thicker Brows (XL - 8ml) BrowForce Eyebrow Serum To Grow Brows Fuller Thicker Natural Eye Brow - Advanced Brow Growth Serums Formula For Eyebrows Regrowth**NYK1**$41.16**4.0★**— 5%**](https://www.amazon.com/dp/B08XXT3WSP) [![NYK1 CONCENTRATED Lash Serum For Eyelash Growth (XL - 8ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Eye Lash Enhancing Formula With Easy Application And Long Lasting Results](https://m.media-amazon.com/images/I/41ws-EXNKhL.jpg)**NYK1 CONCENTRATED Lash Serum For Eyelash Growth (XL - 8ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Eye Lash Enhancing Formula With Easy Application And Long Lasting Results**NYK1**$37.95**4.0★**— 3%**](https://www.amazon.com/dp/B09WW2M33L) [![Super Strong Nail Glue for Press On Nails Nail Tips & Acrylic Nails (8ml) NYK1 NailBond Brush On Glue for Press Ons Tips & Acrylics - Long Lasting Maximum Strength Mess-Free Application](https://m.media-amazon.com/images/I/41C8CF+AV0L.jpg)**Super Strong Nail Glue for Press On Nails Nail Tips & Acrylic Nails (8ml) NYK1 NailBond Brush On Glue for Press Ons Tips & Acrylics - Long Lasting Maximum Strength Mess-Free Application**NYK1**$11.71**4.3★**— 2%**](https://www.amazon.com/dp/B01I70RA8E) [![NYK1 CONCENTRATED Lash Serum For Eyelash Growth (3ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Lash Growth Serums For Easy Application And Long Lasting Results For Fuller Eyelashes](https://m.media-amazon.com/images/I/416ycUTu9mL.jpg)**NYK1 CONCENTRATED Lash Serum For Eyelash Growth (3ml) LashForce Eyelash Serum To Grow Lashes Longer And Thicker - Lash Growth Serums For Easy Application And Long Lasting Results For Fuller Eyelashes**NYK1**$16.28**4.0★**— 10%**](https://www.amazon.com/dp/B0CQCTKB42)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +2.1% search growth over the last 90 days.

500300Prime Day '24Spike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.4×

## **Reviews**

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

### **What buyers love **

**Adhesion/Stickiness**49%

*“glue sticks well”*

**Durability**8%

*“Lasts a while and so durable”*

**Quality-Overall**6%

*“Very reliable”*

**Ease Of Application**6%

*“Application is easy”*

**Ease Of Use**4%

*“Ease of use”*

**Efficiency**4%

*“It works very well”*

**Value For Money**3%

*“Good price”*

**Moist/Dry**3%

*“Dries fast”*

**Advertised Vs Actual Product**2%

*“As advertised”*

**Brush Quality**1%

*“I like the brush feature”*

### **What buyers complain about **

**Adhesion/Stickiness**28%

*“doesn't adhere well at all”*

**Durability**16%

*“Does not last”*

**Strength**10%

*“Weak”*

**Functionality-Overall**8%

*“Didnt work well”*

**Value For Money**5%

*“expensive”*

**Quality-Overall**3%

*“Absolute garbage”*

**Size-Overall**2%

*“The bottle is a bit small”*

**Grip**2%

*“Does not hold”*

**Allergies**2%

*“an awful rash”*

**Moist/Dry**2%

*“Take forever to dry”*

### **Top return reasons **

**Adhesion/Stickiness**53%

**Functionality-Overall**15%

**Advertised Vs Actual Product**4%

**Durability**4%

**Value For Money**4%

**Leak-Proof**3%

**Size-Overall**3%

**Defective Material/Parts**3%

**Strength**2%

**Moist/Dry**2%