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60

lash serum

Worth a look

Shows a $16.5M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 100Growth 20Conversion 73Competition 26Returns 95Price range 87Avg price 95Brand share 33Review moat 20Quality gap 76

Market size

Incredible$16.5M

$16.5M/yr · 8.5M searches

Returns

Great1.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$28.93

avg listing price — sweet spot $15–$100

Price range

Great$8.55–$77.29

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good6.7%

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

Brand share

Okay85%

top-5 brand share — brands hold most of the demand

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-10.2%

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

Review moat

Bad12,861.2

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, lash serum is a $16.5M/yr Amazon United States market (8.5M searches/yr). The top 5 brands hold 85% of demand. Verdict: Worth a look — 60/100.

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

lash serum market data

Units sold / yr
500K–600K
avg 25,000–30,000/product
Revenue / yr
$14.5M–$17.4M
units × avg price
Conversion rate
6.7%
Avg BSR
#21
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
5.0%
Avg brand age
44 months
Avg seller age
139 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 falling

Sellers

20

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

11%

  • BABE ORIGINAL46%
  • Grande Cosmetics17%
  • Tistees10%
  • The Ordinary8%
  • Live Fraiche4%
  • UpNature4%
  • Open — no brand owns it (3 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.2% search growth over the last 90 days.
350K250KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top lash serum search terms

  • lash serum2.0M/yr
  • babe lash eyelash serum1.4M/yr
  • eyelash growth serum1.1M/yr
  • eyelash serum961K/yr
  • lash serum for eyelash growth693K/yr
  • babe lash731K/yr
  • lash growth serum357K/yr
  • eye lash serum growth254K/yr
  • babe lash serum292K/yr
  • serum de pestaas113K/yr
All search terms

Top lash 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.

0%10%$1.7M20%$3.3M30%$5.0M40%$6.6M1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about lash serum

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

What buyers love

Eyelash Quality25%

“The best eye lash serum”

Quality-Overall14%

“Excellent product”

Value For Money11%

“Great value”

Allergies7%

“No allergy problems”

Ease Of Application7%

“Best applicator”

Ease Of Use5%

“Super easy to put on”

Hair Growth3%

“I saw new growth within a week and thicker lashes”

Efficiency3%

“works well, be consistent”

Advertised Vs Actual Product2%

“As advertised”

Soft Feel2%

“My skin feels smooth”

What buyers complain about

Allergies24%

“Allergic Reaction”

Functionality-Overall14%

“Did not work”

Eyelash Quality10%

“broken after eyelash extensions”

Symptom Reduction7%

“No noticeable changes”

Value For Money7%

“It is expensive”

Side Effects4%

“Inaffective, weird side effects tho”

Thickness3%

“not as thick as I'd like”

Moist/Dry3%

“dried up”

Ease Of Use2%

“Difficult to open”

Durability2%

“they started falling out”

Top return reasons

Functionality-Overall21%
Advertised Vs Actual Product14%
Value For Money10%
Moist/Dry9%
Size-Overall8%
Product Condition7%
Defective Material/Parts5%
Skin Health5%
Damage/Burn Hair3%
Side Effects2%

Common questions

Is lash serum profitable to sell on Amazon United States?
The niche generates $16.5M/yr across 15 tracked products. 90-day search growth is -10.2%. Flapen's verdict: Worth a look (60/100).
How competitive is the lash serum niche?
9 brands and 20 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in lash serum?
Top complaints mined from reviews: Allergies, Functionality-Overall, Eyelash Quality. The return rate is 1.0%.
When does demand for lash serum peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the lash serum niche?
Listings span $8.55–$77.29; the average listing price is $28.93 (sweet spot $15–$100). The average incumbent carries 12,861 reviews — the moat a new listing must climb.