Seint
FailThe top 5 brands take 100% of clicks, so Seint is a Fail.
- Flapen Score
- 33 / 100Ranks 10,341 of 10,978 Beauty & Personal Care niches · −15 vs the category median of 4833
- Market size
- $102K/yr156K searches / yr
- 90-day growth
- -4.5%search demand this quarter
- Competition
- 96%top-5 click share · 3 brands · 66 sellers
Flapen Score
Seint against its category
The dotted line is the Beauty & Personal Care average. Past it, Seint is stronger. Inside it, weaker.
Market
The Seint market on Amazon at a glance
Shoppers on Amazon United States searched for Seint 156K times last year and spent an estimated $102K. All 3 brands take every click. Demand peaks in Aug–Sep. Flapen scores it 33 out of 100, a Fail.
01 · Demand
An estimated 5.3% of those searches ended in a purchase.
Shoppers searched for this 156K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.3% of those searches ended in a purchase. Searches in the last 90 days moved -4.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $102K a year.
- Searches, last 12 months
- 156K
- Growth, 90 days vs prior 90
- -4.5%
- Conversion, latest week
- 5.3%
- Market size, estimated
- $102Ka year
- Peak month
- September2.5× the quietest month
- Top search term
- nyx nude truffle19K searches a year
02 · Price
A sale here is worth $12.38.
Listings sell for $12.38 on average, from $5.29 to $27.35. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 750 to 1,000 of them. At $12.38 that is $9K to $12K a year per listing.
- Average price
- $12.38under the $15 to $100 sweet spot
- Price range
- $5.29–$27.35
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $9K–$12K
- Returns
- 0.8%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #100 within Lips. It carries 18,721 reviews at 4.55 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #100in Lips
- Average rating
- 4.55 starsAmazon United States average 4.42 stars
- Average reviews
- 18,721per listing
- Listings tracked
- 6
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 63 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 63 months
Products
Top Seint products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
NYX PROFESSIONAL MAKEUP Slim Lip Pencil Long-Lasting Creamy Lip Liner - Peakaboo Neutral
- Price
- $5.74
- Rating
- 4.5/5
- Reviews
- 52,571
- Age
- 8y ago

M.A.C Lip Pencil Spice 1 Count
- Price
- $24.37
- Rating
- 4.6/5
- Reviews
- 570
- Age
- 15y ago

Kiss New York Professional Slim Long-Wear Lip Liner Pencil Matte Finish
- Price
- $5.29
- Rating
- 4.4/5
- Reviews
- 738
- Age
- 3y ago

NYX PROFESSIONAL MAKEUP Slim Lip Pencil Long-Lasting Creamy Lip Liner - Nude Pink
- Price
- $5.40
- Rating
- 4.5/5
- Reviews
- 52,571
- Age
- 8y ago

MAC Lip Pencil - Cool spice (Deep brown mauve) .05 Oz/ 1.45g
- Price
- $27.35
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 11mo ago
Trending
estimated 90-day click momentum
NYX PROFESSIONAL MAKEUP Suede Matte Lip Liner Velvety-Smooth Long-Lasting Formula For A Defined Lip Makeup Look - Sandstorm (Brown)
- Price
- $6.11
- Rating
- 4.6/5
- Reviews
- 5,862
- Age
- 9y ago

Kiss New York Professional Slim Long-Wear Lip Liner Pencil Matte Finish
- Price
- $5.29
- Rating
- 4.4/5
- Reviews
- 738
- Age
- 3y ago

M.A.C Lip Pencil Spice 1 Count
- Price
- $24.37
- Rating
- 4.6/5
- Reviews
- 570
- Age
- 15y ago

MAC Lip Pencil - Cool spice (Deep brown mauve) .05 Oz/ 1.45g
- Price
- $27.35
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 11mo ago

NYX PROFESSIONAL MAKEUP Slim Lip Pencil Long-Lasting Creamy Lip Liner - Peakaboo Neutral
- Price
- $5.74
- Rating
- 4.5/5
- Reviews
- 52,571
- Age
- 8y ago
Newest
by launch date
MAC Lip Pencil - Cool spice (Deep brown mauve) .05 Oz/ 1.45g
- Price
- $27.35
- Rating
- 4.7/5
- Reviews
- 14
- Age
- 11mo ago

Kiss New York Professional Slim Long-Wear Lip Liner Pencil Matte Finish
- Price
- $5.29
- Rating
- 4.4/5
- Reviews
- 738
- Age
- 3y ago

NYX PROFESSIONAL MAKEUP Slim Lip Pencil Long-Lasting Creamy Lip Liner - Peakaboo Neutral
- Price
- $5.74
- Rating
- 4.5/5
- Reviews
- 52,571
- Age
- 8y ago

NYX PROFESSIONAL MAKEUP Slim Lip Pencil Long-Lasting Creamy Lip Liner - Nude Pink
- Price
- $5.40
- Rating
- 4.5/5
- Reviews
- 52,571
- Age
- 8y ago

NYX PROFESSIONAL MAKEUP Suede Matte Lip Liner Velvety-Smooth Long-Lasting Formula For A Defined Lip Makeup Look - Sandstorm (Brown)
- Price
- $6.11
- Rating
- 4.6/5
- Reviews
- 5,862
- Age
- 9y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 96% of clicks. A locked shelf that new listings rarely crack.
Brands
3 rising
Sellers
66
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
96%
Top 20: 100%
Open market
0%
- NYX PROFESSIONAL MAKEUP76%
- MAC17%
- Kiss7%
Demand
Seint search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Aug, Sep · busiest ÷ quietest = 2.5×
Search terms
Top Seint search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- nyx nude truffle19K/yr
- nyx peekaboo neutral lip liner15K/yr
- mac cool spice lipliner17K/yr
- nyx truffle lip liner12K/yr
- nude truffle10K/yr
- nude truffle nyx10K/yr
- mac spice lip liner pencil12K/yr
- nyx slim lip pencil peekaboo neutral3K/yr
- cool spice lip liner mac8K/yr
- nyx nude beige7K/yr
Reviews and returns
What reviews say buyers love and hate about Seint
We read the reviews and the return reasons for every product selling here.
“shade is too dark”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Seint questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









