nyk1 eyelash serum
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Avg price
Incredible$29.91avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great$11.71–$42.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.9%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
Bad21,811avg incumbent reviews — the moat a new listing must climb
Market size
Bad$20K$20K/yr · 9K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, nyk1 eyelash serum is a $20K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 40/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
nyk1 eyelash serum market data
- Units sold / yr
- 750–1K
- avg 100–250/product
- Revenue / yr
- $22K–$30K
- units × avg price
- Conversion rate
- 6.9%
- Avg BSR
- #285
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 0.0%
- Avg brand age
- 39 months
- Avg seller age
- 190 days
Competition & brand share
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%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- NYK1100%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +2.1% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.4×
Top nyk1 eyelash serum search terms
- nyk16K/yr
- nyk1 lash serum2K/yr
- nyk1 eyelash serum775/yr
Top nyk1 eyelash serum 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.
All 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$11.714.3★92,468 rev
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$37.954.0★2,632 rev
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$16.284.0★2,632 rev
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$41.164.0★2,632 rev
SALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)
NYK1$42.434.3★8,691 rev
Newest
by launch dateNYK1 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$16.282,632 rev
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$37.952,632 rev
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$41.162,632 rev
SALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)
NYK1$42.438,691 rev
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$11.7192,468 rev
Trending
90-day click momentumSALT NYK1 Sulfate-Free Shampoo and Conditioner Set for Color-Treated Hair Extensions and Keratin Treatments (2 x 16.9 Fl Oz)
NYK1$42.434.3★
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$41.164.0★
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$37.954.0★
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$11.714.3★
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
NYK1$16.284.0★
What buyers say about nyk1 eyelash serum
What buyers praise and complain about, mined from review topics.What buyers love
“glue sticks well”
“Lasts a while and so durable”
“Very reliable”
“Application is easy”
“Ease of use”
“It works very well”
“Good price”
“Dries fast”
“As advertised”
“I like the brush feature”
What buyers complain about
“doesn't adhere well at all”
“Does not last”
“Weak”
“Didnt work well”
“expensive”
“Absolute garbage”
“The bottle is a bit small”
“Does not hold”
“an awful rash”
“Take forever to dry”
Top return reasons
Common questions
- Is nyk1 eyelash serum profitable to sell on Amazon United States?
- The niche generates $20K/yr across 5 tracked products. 90-day search growth is +2.1%. Flapen's verdict: Skip it (40/100).
- How competitive is the nyk1 eyelash serum niche?
- 1 brands and 5 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in nyk1 eyelash serum?
- Top complaints mined from reviews: Adhesion/Stickiness, Durability, Strength. The return rate is 1.0%.
- When does demand for nyk1 eyelash serum peak?
- Demand peaks in Jan; the busiest month runs 1.4× the quietest.
- What does it cost to enter the nyk1 eyelash serum niche?
- Listings span $11.71–$42.43; the average listing price is $29.91 (sweet spot $15–$100). The average incumbent carries 21,811 reviews — the moat a new listing must climb.