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50

lash primer

Worth a look

Shows searches that convert (15.0% search→purchase), but a deep review moat (31,015 avg reviews) keeps it on the watch list.

Market size 90Growth 21Conversion 97Competition 15Returns 96Price range 46Avg price 50Brand share 13Review moat 10Quality gap 50

Conversion

Incredible15.0%

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

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Market size

Great$1.7M

$1.7M/yr · 962K searches

Quality gap

Good4.5★

avg incumbent rating — lower means beatable quality

Avg price

Good$12.02

avg listing price — sweet spot $15–$100

Price range

Okay$4.69–$23.75

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

Growth

Bad-8.4%

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

Competition

Bad82%

top-5 click share — a locked-up shelf

Brand share

Bad95%

top-5 brand share — brand-locked demand

Review moat

Bad31,015

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, lash primer is a $1.7M/yr Amazon United States market (962K searches/yr). The top 5 brands hold 95% of demand. Verdict: Worth a look — 50/100.

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

lash primer market data

Units sold / yr
125K–150K
avg 10,000–12,500/product
Revenue / yr
$1.5M–$1.8M
units × avg price
Conversion rate
15.0%
Avg BSR
#34
Page quality
0%
Prime
100%
Sponsored
80%
Out of stock
0.0%
Avg brand age
54 months
Avg seller age
134 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 rising

Sellers

67

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

2%

  • L'Oreal Paris32%
  • Essence Cosmetics25%
  • Lancôme22%
  • MAYBELLINE12%
  • tarte4%
  • COVERGIRL3%
  • Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.4% search growth over the last 90 days.
30K20KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Top lash primer search terms

  • mascara primer256K/yr
  • lash primer202K/yr
  • eyelash primer131K/yr
  • eyelash primer before mascara59K/yr
  • mascara primer volume and length37K/yr
  • lash primer mascara30K/yr
  • lancome cils booster xl lash primer21K/yr
  • primer mascara24K/yr
  • mascara with primer24K/yr
  • eye lash primer22K/yr
All search terms

Top lash primer 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%$173K20%$346K30%$519K40%$693K1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

What buyers say about lash primer

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

What buyers love

Eyelash Quality43%

“This is a good eyelash primer”

Quality-Overall16%

“Otherwise, fantastic product for my needs”

Value For Money10%

“Great for the price”

Ease Of Use3%

“Easy to use”

Advertised Vs Actual Product3%

“As advertised”

Efficiency3%

“It really works great”

Durability2%

“its a reliable”

Smudge Resistance1%

“doesn't smear of run”

Color1%

“It is nice it comes in so many colors”

Soft Feel1%

“Feels and works great”

What buyers complain about

Eyelash Quality16%

“I don't feel that it did anything for my eyelashes”

Moist/Dry11%

“It was dried up”

Value For Money8%

“Not worth the cost”

Functionality-Overall7%

“Dont work”

Ease Of Use4%

“Hard to get off”

Thickness4%

“Goes on too thick”

Allergies4%

“I think Im allergic”

Color4%

“I did not like that it goes on green”

Quality-Overall4%

“Cheap stuff just as good”

Adhesion/Stickiness4%

“a little sticky”

Top return reasons

Moist/Dry23%
Functionality-Overall21%
Advertised Vs Actual Product15%
Product Condition7%
Eyeliner Quality4%
Value For Money4%
Color3%
Size-Overall3%
Defective Material/Parts3%
Adhesion/Stickiness2%

Common questions

Is lash primer profitable to sell on Amazon United States?
The niche generates $1.7M/yr across 10 tracked products. 90-day search growth is -8.4%. Flapen's verdict: Worth a look (50/100).
How competitive is the lash primer niche?
7 brands and 67 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 95% of demand.
What do buyers complain about in lash primer?
Top complaints mined from reviews: Eyelash Quality, Moist/Dry, Value For Money. The return rate is 0.7%.
When does demand for lash primer peak?
Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the lash primer niche?
Listings span $4.69–$23.75; the average listing price is $12.02 (sweet spot $15–$100). The average incumbent carries 31,015 reviews — the moat a new listing must climb.