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Lash Serum

Lash Serum shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

66
Worth a look

Top 2% of 2,481 Beauty niches · +19 vs the category median of 47

Market size 83Growth 16Conversion 75Competition 59Returns 99Price range 84Avg price 79Brand share 79Review moat 25Quality gap 78
This niche Category average · 2,481 niches

Is Lash Serum profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Lash Serum is a £1.3M/yr Amazon United Kingdom market (1.1M searches/yr). The top 5 brands hold 56% of demand. Verdict: Worth a look — 66/100.

Lash Serum: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -18.7% over the last 90 days and 7.1% of searches end in a purchase.

£1.3M

revenue / yr

Units sold / yr80K
Search volume / yr-18.7%1.1M
Conversion rate7.1%
Avg price£16.74

Who owns the niche?

The top 5 brands hold 56% of demand, so 44% of the market is open.

44%

open market share

Brands · sellers27 · 229
Top-5 product click share50%
Open market44%
Avg brand age42 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 30 products

Sponsored placement90%
New entrants (1y)7· 2 succeeded
Avg rating4.3★
Avg reviews4,506

Top Lash Serum products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

£0£66K£131K£197K£262K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

27 rising

Sellers

229

Top-5 brand share

56%

Top 20: 92%

Top-5 click share

50%

Top 20: 88%

Open market

39%

  • The Ordinary17%
  • UKLASH15%
  • Wewell12%
  • RapidLash7%
  • L'Oreal Paris5%
  • e.l.f.5%

Lash Serum demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume1.1MCVR7.1%Products30Brands27Top 5 Brands56%OOS Rate25.7%Rating4.3★Reviews4,506Avg BSR#53
40K30KSpike '24Holiday '24Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top Lash Serum search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • lash serum428K/yr
  • eyelash serum277K/yr
  • eyelash growth serum73K/yr
  • eye lash serum growth50K/yr
  • lash growth serum46K/yr
  • eyelash serum for growth and thickness35K/yr
  • revitalash eyelash serum31K/yr
  • lash serum growth rapid lash30K/yr
  • revitalash22K/yr
  • rapid lash serum19K/yr

What reviews say buyers love and hate about Lash Serum

What buyers mention most, as a share of all reviews.

What buyers love

85% of reviews
Eyelash Quality34%

Great lash serum

Quality-Overall17%

Really good products arrived on time

Value For Money9%

Excellent price

Ease Of Application7%

Good applicator

Allergies5%

does not irritate me

What buyers complain about

70% of reviews
Eyelash Quality18%

my eyelashes started falling out again

Value For Money10%

very overpriced

Allergies10%

irritation

Functionality-Overall8%

Not effective

Symptom Reduction7%

Made no difference

Lash Serum return rate & reasons

Why buyers send it back, as a share of all return requests.

0.2%

Return rate

9%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Functionality-Overall
16%
2Moist/Dry
13%
3Leak-Proof
11%
4Value For Money
10%
5Advertised Vs Actual Product
7%

Common Lash Serum questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Lash Serum 66/100 on Amazon United Kingdom — Worth a look. The niche generates £1.3M/yr across 30 tracked products. 2 of 7 products launched in the last 360 days are still selling. Search demand moved -18.7% over the last 90 days.
Search demand for Lash Serum on Amazon United Kingdom is steady year-round — the busiest month runs 1.5× the quietest.