lash serum
Worth a lookShows a $16.5M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
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$28.93avg listing price — sweet spot $15–$100
Price range
Great$8.55–$77.29cheapest 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
Bad12,861.2avg 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.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
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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Babe Original Lash Serum - Fuller & Longer Looking Eyelashes Lash Enhancing Serum for Natural Lashes and Lash Extensions 1mL Starter Supply
BABE ORIGINAL$27.494.2★22,919 rev

Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum - Peptide & Vitamin Infused Formula for Longer Thicker Fuller Looking Lashes - Ophthalmologist Tested Cruelty-Free 6 Week Supply (1mL)
Grande Cosmetics$30.064.2★30,194 rev

Lash Serum for Eyelash Growth Premium Lash Enhancing Serum with Advanced Formula Volumizing Longer Fuller and Thicker Looking Lashes Eyelash Growth for Sensitive Eyes (5 mL)
Tistees$12.674.6★1,117 rev

Babe Original Babe Lash Serum - Fuller & Longer Looking Eyelashes Clear Essential Serum for Natural Lashes and Lash Extensions 2mL 3-month Supply
BABE ORIGINAL$44.464.2★22,919 rev

The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 0.16 Fl Oz
The Ordinary$14.404.2★6,207 rev
Newest
by launch date
Lash Serum for Eyelash Growth Premium Lash Enhancing Serum with Advanced Formula Volumizing Longer Fuller and Thicker Looking Lashes Eyelash Growth for Sensitive Eyes (5 mL)
Tistees$12.671,117 rev

VieBeauti Lash Serum for Eyelash Growth Prostaglandin Free EyeLash Serum with Peptides for Longer Fuller Thicker Looking Lashes Vegan & Cruelty-Free Safe for Sensitive Eyes 3mL
VieBeauti$21.5218,533 rev

UpNature Lash Serum for Eyelash Growth - 100% USDA Organic Castor Oil for Eyelashes and Eyebrows Hexane Free (2oz Glass Bottle)
UpNature$8.551,995 rev

BABE ORIGINAL Renewing Lash Serum Prostaglandin-Free Peptide-Infused Gentle Lash Serum for Fuller Longer-Looking Lashes Lash Enhancing Treatment with Nourishing Botanicals Vegan & Cruelty-Free
BABE ORIGINAL$27.37754 rev

The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 0.16 Fl Oz
The Ordinary$14.406,207 rev
Trending
90-day click momentum
UpNature Lash Serum for Eyelash Growth - 100% USDA Organic Castor Oil for Eyelashes and Eyebrows Hexane Free (2oz Glass Bottle)
UpNature$8.554.7★

Lash Serum for Eyelash Growth Premium Lash Enhancing Serum with Advanced Formula Volumizing Longer Fuller and Thicker Looking Lashes Eyelash Growth for Sensitive Eyes (5 mL)
Tistees$12.674.6★

ForChics Eyelash Growth Serum - Prostaglandin-Free Lash Enhancing Serum for Longer Thicker Lashes and Brows- Natural Formula Visible Results in 2 Weeks - Vegan Hormone-Free 0.10 fl. oz / 3ml
Forchics$24.144.2★

Babe Original Lash Serum - Fuller & Longer Looking Eyelashes Lash Enhancing Serum for Natural Lashes and Lash Extensions 1mL Starter Supply
BABE ORIGINAL$27.494.2★

Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum - Peptide & Vitamin Infused Formula for Longer Thicker Fuller Looking Lashes - Ophthalmologist Tested Cruelty-Free 6 Week Supply (1mL)
Grande Cosmetics$30.064.2★
What buyers say about lash serum
What buyers praise and complain about, mined from review topics.What buyers love
“The best eye lash serum”
“Excellent product”
“Great value”
“No allergy problems”
“Best applicator”
“Super easy to put on”
“I saw new growth within a week and thicker lashes”
“works well, be consistent”
“As advertised”
“My skin feels smooth”
What buyers complain about
“Allergic Reaction”
“Did not work”
“broken after eyelash extensions”
“No noticeable changes”
“It is expensive”
“Inaffective, weird side effects tho”
“not as thick as I'd like”
“dried up”
“Difficult to open”
“they started falling out”
Top return reasons
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.