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25

waterproof four-tip beard and eyebrow pen

Skip it

Soft demand (-94.8% this quarter) — this niche doesn't clear our bar today.

Market size 3Growth 0Conversion 26Competition 13Returns 66Price range 0Avg price 31Brand share 12Review moat 30Quality gap 96

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Returns

Good2.4%

return rate — above 5% kills the launch gate

Avg price

Okay$9.68

avg listing price — sweet spot $15–$100

Review moat

Okay3,516.09

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay2.0%

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

Competition

Bad85%

top-5 click share — a locked-up shelf

Brand share

Bad95%

top-5 brand share — brand-locked demand

Market size

Bad$10K

$10K/yr · 52K searches

Growth

Bad-94.8%

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

Price range

Bad$4.97–$12.54

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

According to Flapen's Amazon United States niche tracking, waterproof four-tip beard and eyebrow pen is a $10K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 25/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

waterproof four-tip beard and eyebrow pen market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$15K–$19K
units × avg price
Conversion rate
2.0%
Avg BSR
#178
Page quality
0%
Prime
91%
Sponsored
91%
Out of stock
0.0%
Avg brand age
36 months
Avg seller age
147 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

21

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

85%

Top 20: 100%

Open market

2%

  • QIC43%
  • Espoce27%
  • iMethod20%
  • Vevivia Beauty3%
  • LECDOA3%
  • QUEMISS2%
  • Open — no brand owns it (1 brand, 2%)

Demand

Weekly Amazon search volume, last 15 weeks — -94.8% search growth over the last 90 days.
350250Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26

Top waterproof four-tip beard and eyebrow pen search terms

  • 4 tip eyebrow pen8K/yr
  • waterproof brow filler7K/yr
  • beard and eyebrow pen6K/yr
  • four tip eyebrow pen3K/yr
  • waterproof four-tip beard and eyebrow pen14K/yr
  • beard and eyebrow detail pen2K/yr
  • natural hair stroke eyebrow3K/yr
  • four tip beard and eyebrow pen3K/yr
  • four points eyebrow pen2K/yr
  • waterproof four tip beard and eyebrow pen2K/yr
All search terms

Top waterproof four-tip beard and eyebrow pen 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%10%$1K20%$2K30%$3K40%$4K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

What buyers say about waterproof four-tip beard and eyebrow pen

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

What buyers love

Ease Of Use21%

“Goes on easy”

Color17%

“color accurate”

Quality-Overall11%

“The eyebrow pencil is of excellent quality”

Durability8%

“durable”

Ease Of Application8%

“Easy Application”

Value For Money4%

“Worth the price”

Smudge Resistance4%

“lasts all day without smudging”

Water Resistance3%

“Looks natural and IS WATER PROOF”

Advertised Vs Actual Product2%

“As advertised”

Hair Styling2%

“perfectly simulates real hair”

What buyers complain about

Color20%

“Bad color”

Moist/Dry14%

“Dried up”

Functionality-Overall7%

“Doesnt work”

Advertised Vs Actual Product6%

“Not as advertised”

Durability5%

“Ran out super fast”

Ease Of Use5%

“Sometimes a bit hard to take off”

Quality-Overall5%

“Its cheap in quality”

Value For Money2%

“Waste of money”

Water Resistance2%

“Not waterproof”

Smudge Resistance2%

“Its smudges a bit”

Top return reasons

Color57%
Advertised Vs Actual Product11%
Functionality-Overall8%
Moist/Dry6%
Ease Of Application2%
Quality-Overall1%
Product Condition1%
Leak-Proof1%
Defective Material/Parts1%
Ease Of Use1%

Common questions

Is waterproof four-tip beard and eyebrow pen profitable to sell on Amazon United States?
The niche generates $10K/yr across 11 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -94.8%. Flapen's verdict: Skip it (25/100).
How competitive is the waterproof four-tip beard and eyebrow pen niche?
7 brands and 21 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 95% of demand.
What do buyers complain about in waterproof four-tip beard and eyebrow pen?
Top complaints mined from reviews: Color, Moist/Dry, Functionality-Overall. The return rate is 2.4%.
What does it cost to enter the waterproof four-tip beard and eyebrow pen niche?
Listings span $4.97–$12.54; the average listing price is $9.68 (sweet spot $15–$100). The average incumbent carries 3,516 reviews — the moat a new listing must climb.