Is epais eyelash serum profitable to sell on Amazon United States?

The niche generates $583K/yr across 4 tracked products. 90-day search growth is +121.0%. Flapen's verdict: Worth a look (61/100).

How competitive is the epais eyelash serum niche?

4 brands and 9 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in epais eyelash serum?

Top complaints mined from reviews: Eyelash Quality, Functionality-Overall, Allergies. The return rate is 1.3%.

When does demand for epais eyelash serum peak?

Demand peaks in Jun–Jul–Aug; the busiest month runs 4.7× the quietest.

What does it cost to enter the epais eyelash serum niche?

Listings span $8.80–$40.04; the average listing price is $21.21 (sweet spot $15–$100). The average incumbent carries 813 reviews — the moat a new listing must climb.

epais eyelash serum

Worth a look

Shows demand growing +121.0% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+121.0%

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

Avg price

Great$21.21

avg listing price — sweet spot $15–$100

Returns

Great1.3%

return rate — above 5% kills the launch gate

Conversion

Great8.5%

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Great$8.80–$40.04

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

Review moat

Good813

avg incumbent reviews — the moat a new listing must climb

Market size

Good$583K

$583K/yr · 323K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Trending

According to Flapen's Amazon United States niche tracking, epais eyelash serum is a $583K/yr Amazon United States market (323K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 61/100.

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

epais eyelash serum market data

Units sold / yr: 20K–25K; avg 2,500–3,000/product
Revenue / yr: $424K–$530K; units × avg price
Conversion rate: 8.5%
Avg BSR: #47
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 41 months
Avg seller age: 147 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

EPAIS56%
COSNORI31%
ETUDE7%
NUNA6%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — +121.0% search growth over the last 90 days.

Peak months: Jun, Jul, Aug · busiest ÷ quietest = 4.7×

Open Trend

Top epais eyelash serum search terms

epais eyelash serum79K/yr +441.1%8.7% conv.
cosnori eyelash serum87K/yr +19.6%9.1% conv.
korean lash serum33K/yr +328.4%4.3% conv.
korean eyelash serum18K/yr +197.3%4.4% conv.
epais lash serum21K/yr +171.3%4.8% conv.
cosnori lash serum11K/yr +101.4%7.4% conv.
etude lash serum17K/yr -7.9%4.6% conv.
epias lash serum6K/yr +401.6%8.7% conv.
cosori lash serum7K/yr +55.5%8.9% conv.
etude my lash serum6K/yr +94.2%6.2% conv.

All search terms

Top epais eyelash 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

EPAIS Eyelash Growth Serum & Lash Conditioner 7 Peptide & Biotin Formula for Longer & Fuller Looking Lashes and Brows Prostaglandin-Free Jumbo 15ml (3+ Month Supply) Korean Lash Serum

EPAIS$18.694.2★892 rev

COSNORI Long Active Eyelash Serum - Korean Eyelash Boost Serum - Eyebrow Growth Enhancer for Longer and Thicker - Vegan Prostaglandin Free & Non Irritating - Peptides Hyaluronic Acid 0.3 fl.oz.

COSNORI$17.324.1★791 rev

ETUDE My Lash Serum without prostaglandin Eyelash Strengthening Formula with Biotin Ginger extract for Lash health and growth Non-sticky Mascara Serum Vegan Certified (0.3 Fl Oz)

ETUDE$8.804.3★440 rev

NUNA Eyelash Growth Support Serum 6ml Eye Lash and Eyebrow Enhancing Serum for Women & Men with Biotin - Korean Multi Peptide & Natural Extracts Promotes Fuller and Longer Lashes - 6 Month Supply

NUNA$40.044.3★1,129 rev

Newest

by launch date

NUNA Eyelash Growth Support Serum 6ml Eye Lash and Eyebrow Enhancing Serum for Women & Men with Biotin - Korean Multi Peptide & Natural Extracts Promotes Fuller and Longer Lashes - 6 Month Supply

NUNA$40.041,129 rev

1y ago

ETUDE My Lash Serum without prostaglandin Eyelash Strengthening Formula with Biotin Ginger extract for Lash health and growth Non-sticky Mascara Serum Vegan Certified (0.3 Fl Oz)

ETUDE$8.80440 rev

2y ago

EPAIS Eyelash Growth Serum & Lash Conditioner 7 Peptide & Biotin Formula for Longer & Fuller Looking Lashes and Brows Prostaglandin-Free Jumbo 15ml (3+ Month Supply) Korean Lash Serum

EPAIS$18.69892 rev

2y ago

COSNORI Long Active Eyelash Serum - Korean Eyelash Boost Serum - Eyebrow Growth Enhancer for Longer and Thicker - Vegan Prostaglandin Free & Non Irritating - Peptides Hyaluronic Acid 0.3 fl.oz.

COSNORI$17.32791 rev

5y ago

What buyers say about epais eyelash serum

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

What buyers love

Eyelash Quality43%

“THE BEST LASH SERUM”

Ease Of Application12%

“Easy application”

Quality-Overall7%

“has a very high-end appearance”

Soft Feel5%

“This feels gentle”

Allergies4%

“No irritation”

Weight Light4%

“I like how lightweight”

Ease Of Use3%

“Easy to use”

Value For Money2%

“And so affordable”

Hair Growth1%

“After just a few weeks of use, I noticed my lashes became longer, fuller and healthier”

Ingredients-Overall1%

“Great option if you want visible growth without harsh ingredients”

What buyers complain about

Eyelash Quality19%

“It feels weird on my eyelashes”

Functionality-Overall16%

“Didn't work”

Allergies14%

“The irritation started a few days ago and is uncomfortable”

Symptom Reduction12%

“Saw no improvement”

Value For Money7%

“Not worth the money”

Durability2%

“doesn't work and wand fell off after several uses”

Quality-Overall2%

“without real performance behind them”

Sensitivity-Overall1%

“my eyes would burn”

Advertised Vs Actual Product1%

“it just feels like empty claims”

Side Effects1%

“No really effect”

Top return reasons

Functionality-Overall29%

Advertised Vs Actual Product11%

Value For Money9%

Product Condition7%

Moist/Dry6%

Leak-Proof5%

Defective Material/Parts4%

Damage/Burn Hair3%

Ease Of Application3%

Eyelash Quality2%

Common questions

Is epais eyelash serum profitable to sell on Amazon United States?: The niche generates $583K/yr across 4 tracked products. 90-day search growth is +121.0%. Flapen's verdict: Worth a look (61/100).
How competitive is the epais eyelash serum niche?: 4 brands and 9 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in epais eyelash serum?: Top complaints mined from reviews: Eyelash Quality, Functionality-Overall, Allergies. The return rate is 1.3%.
When does demand for epais eyelash serum peak?: Demand peaks in Jun–Jul–Aug; the busiest month runs 4.7× the quietest.
What does it cost to enter the epais eyelash serum niche?: Listings span $8.80–$40.04; the average listing price is $21.21 (sweet spot $15–$100). The average incumbent carries 813 reviews — the moat a new listing must climb.