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Waterline Eyeliner

Waterline Eyeliner shows a sweet-spot price point ($23.27 avg), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Flapen Score

54
Worth a look

Top 22% of 10,978 Beauty & Personal Care niches · +6 vs the category median of 48

Market size 73Growth 46Conversion 44Competition 41Returns 84Price range 95Avg price 95Brand share 0Review moat 24Quality gap 67
This niche Category average · 10,978 niches

Is Waterline Eyeliner profitable on Amazon?

According to Flapen's Amazon United States niche tracking, Waterline Eyeliner is a $798K/yr Amazon United States market (969K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct. Verdict: Worth a look — 54/100.

Waterline Eyeliner: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +16.4% over the last 90 days and 3.5% of searches end in a purchase.

$798K

revenue / yr

Units sold / yr40K
Search volume / yr+16.4%969K
Conversion rate3.5%
Avg price$23.27

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers2 · 73
Top-5 product click share61%
Open market0%
Avg brand age69 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 24 products

Sponsored placement96%
New entrants (1y)2· 2 succeeded
Avg rating4.3★
Avg reviews5,770

Top Waterline Eyeliner products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

$0$40K$80K$120K$160K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

2 falling

Sellers

73

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

61%

Top 20: 96%

Open market

0%

  • URBAN DECAY52%
  • Make Up For Ever48%

Waterline Eyeliner demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume969KCVR3.5%Products24Brands2Top 5 Brands100%OOS Rate0.0%Rating4.3★Reviews5,770Avg BSR#140
60K40KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26DecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 1.6×

Top Waterline Eyeliner search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • urban decay eyeliner327K/yr
  • makeup forever lip liner196K/yr
  • makeup forever169K/yr
  • make up forever88K/yr
  • makeup forever eyeliner35K/yr
  • urban decay 24/7 glide-on eye pencil20K/yr
  • make up for ever37K/yr
  • urban decay eyeliner pencil18K/yr
  • makeup forever aqua resist eyeliner11K/yr
  • make up forever eyeliner pencil9K/yr

What reviews say buyers love and hate about Waterline Eyeliner

What buyers mention most, as a share of all reviews.

What buyers love

79% of reviews
Color30%

The color is pretty

Soft Feel8%

Smooth application

Durability8%

seriously durable

Quality-Overall6%

Good liner

Smudge Resistance6%

Does not smear

What buyers complain about

74% of reviews
Durability17%

Breaks easily

Value For Money17%

Very expensive

Smudge Resistance8%

Smear

Water Resistance8%

Didn't work as waterproof for me

Quality-Overall6%

Not the quality I was expecting

Waterline Eyeliner return rate & reasons

Why buyers send it back, as a share of all return requests.

1.6%

Return rate

61%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Color
43%
2Advertised Vs Actual Product
12%
3Functionality-Overall
7%
4Moist/Dry
5%
5Defective Material/Parts
5%

Common Waterline Eyeliner questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Waterline Eyeliner 54/100 on Amazon United States — Worth a look. The niche generates $798K/yr across 24 tracked products. 2 of 2 products launched in the last 360 days are still selling. Search demand moved +16.4% over the last 90 days.
Search demand for Waterline Eyeliner on Amazon United States peaks in Oct, where the busiest month runs 1.6× the quietest.