Is sins n lashes serum profitable to sell on Amazon United States?

The niche generates $12.3M/yr across 7 tracked products. 90-day search growth is -14.2%. Flapen's verdict: Worth a look (54/100).

How competitive is the sins n lashes serum niche?

2 brands and 6 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in sins n lashes serum?

Top complaints mined from reviews: Allergies, Functionality-Overall, Value For Money. The return rate is 1.2%.

When does demand for sins n lashes serum peak?

Demand peaks in Jan–Oct–Dec; the busiest month runs 2.2× the quietest.

What does it cost to enter the sins n lashes serum niche?

Listings span $21.54–$77.29; the average listing price is $44.85 (sweet spot $15–$100). The average incumbent carries 11,709 reviews — the moat a new listing must climb.

sins n lashes serum

Worth a look

Shows a $12.3M/yr market, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size

Incredible$12.3M

$12.3M/yr · 3.0M searches

Avg price

Incredible$44.85

avg listing price — sweet spot $15–$100

Price range

Incredible$21.54–$77.29

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

Returns

Great1.2%

return rate — above 5% kills the launch gate

Conversion

Great9.1%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Bad11,709

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-14.2%

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

Competition

Bad93%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, sins n lashes serum is a $12.3M/yr Amazon United States market (3.0M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Oct–Dec. Verdict: Worth a look — 54/100.

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

sins n lashes serum market data

Units sold / yr: 200K–250K; avg 25,000–30,000/product
Revenue / yr: $9.0M–$11.2M; units × avg price
Conversion rate: 9.1%
Avg BSR: #27
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 0.0%
Avg brand age: 42 months
Avg seller age: 144 days

Competition & brand share

The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

93%

Top 20: 100%

Open market

BABE ORIGINAL94%
TEREZ & HONOR6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -14.2% search growth over the last 90 days.

Peak months: Jan, Oct, Dec · busiest ÷ quietest = 2.2×

Open Trend

Top sins n lashes serum search terms

babe lash eyelash serum1.4M/yr -13.1%10.3% conv.
babe lash731K/yr -10.3%7.9% conv.
babe lash serum292K/yr -22.1%6.2% conv.
terez and honor eyelash growth serum149K/yr -29.1%11.8% conv.
babe original lash serum101K/yr -9.4%8.7% conv.
babelash53K/yr +7.4%7.2% conv.
divalash serum pestaas42K/yr +20.3%0.0% conv.
lash by maya43K/yr -0.3%0.0% conv.
lash by maya serum56K/yr -29.2%0.0% conv.
divalash30K/yr +27.2%0.0% conv.

All search terms

Top sins n lashes 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 7 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

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

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$27.374.1★754 rev

Advanced Eyelash Serum for Thicker Longer Eyelashes and Eyebrows - Grow Luscious Lashes with Brow Enhancer (3mL)

TEREZ & HONOR$21.544.1★10,908 rev

Babe Original Eyelash Serum for Natural Fuller & Longer Looking Eyelashes - Lash Serum Hydrates Lashes for Lash Brow & Lash Extensions - 4mL

BABE ORIGINAL$77.294.2★22,919 rev

Newest

by launch date

Babe Original Lash Serum AM/PM Kit - 2mL Babe Lash Essential Serum & 3mL Enhancing Conditioner (Gold Box)

BABE ORIGINAL$73.38328 rev

1y ago

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

1y ago

Babe Original Triple Threat Mini Set Includes Babe Lash Essential Serum & Enhancing Conditioner + Babe Brow Amplifying Serum 1 mL 3 Pack

BABE ORIGINAL$42.431,216 rev

3y ago

Advanced Eyelash Serum for Thicker Longer Eyelashes and Eyebrows - Grow Luscious Lashes with Brow Enhancer (3mL)

TEREZ & HONOR$21.5410,908 rev

7y ago

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

BABE ORIGINAL$27.4922,919 rev

7y ago

What buyers say about sins n lashes serum

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

What buyers love

Value For Money13%

“Worth it”

Eyelash Quality12%

“This eyelash serum is so affordable”

Allergies10%

“No irritation”

Quality-Overall10%

“Other reviews are accurate”

Ease Of Application7%

“I was very consistent with it applying it every night”

Hair Growth7%

“This product has made my eyes lashes grow in fuller”

Ease Of Use5%

“Easy to use”

Symptom Reduction5%

“Amazing results”

Advertised Vs Actual Product4%

“As advertised”

Thickness3%

“Thick”

What buyers complain about

Allergies36%

“Allergic Reaction”

Functionality-Overall11%

“Ineffective”

Value For Money8%

“Waste of money”

Symptom Reduction6%

“After over 2 months I did not see any improvement at all”

Side Effects6%

“theres side effects”

Eyelash Quality5%

“The second time my eyelashes were actually falling out like crazy”

Moist/Dry4%

“Completely dry”

Color3%

“caused black under eyes”

Thickness3%

“Does not thicken them”

Durability2%

“Didnt work after months of use”

Top return reasons

Functionality-Overall17%

Value For Money15%

Advertised Vs Actual Product12%

Moist/Dry9%

Size-Overall8%

Defective Material/Parts6%

Damage/Burn Hair6%

Skin Health5%

Product Condition4%