lash serum
Worth a lookShows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Price range
Great£3.69–£89.17cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great£1.3M£1.3M/yr · 1.1M searches
Brand share
Great56%top-5 brand share — no brand owns this niche
Avg price
Great£16.74avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Conversion
Great7.1%search→purchase rate — share of searches ending in a sale
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Review moat
Bad4,505.83avg incumbent reviews — the moat a new listing must climb
Growth
Bad-18.7%90-day search growth — must beat 0% to launch
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.
Data updated Jul 21, 2026 · scored weekly · How we score niches
lash serum market data
- Units sold / yr
- 60K–80K
- avg 2,000–2,500/product
- Revenue / yr
- £1.0M–£1.3M
- units × avg price
- Conversion rate
- 7.1%
- Avg BSR
- #53
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 90%
- Out of stock
- 25.7%
- Avg brand age
- 42 months
- Avg seller age
- 146 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.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%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top lash serum search terms
- 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
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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 5ml
The Ordinary£10.904.2★6,076 rev
Wewell Eyelash Growth Serum Thicker Lashes 3 ML (Peacock Blue)
Wewell£11.554.4★5,493 rev
UKLASH Eyelash Growth Serum For Longer & Fuller Lashes - 3ml. Clinically Proven Formula for Naturally Longer Lashes and Extensions. Vegan & Cruelty-Free
UKLASH£26.854.4★2,641 rev
RapidLash Eyelash Enhancing Growth Serum for Longer Thicker Lashes 3 ml (Pack of 1)
RapidLash£19.944.1★7,301 rev
LOreal Paris Clinically Proven Lash Serum For Stronger Thicker-Looking Lashes Fortified Less Lash Loss & Fuller Fringe With Castor Oil & Hyaluronic Acid
L'Oreal Paris£6.954.0★2,416 rev
Newest
by launch date
Navekia Lash Serum 2025 Pro - 2 Key Peptides + New Bio-Enzyme Tech | Science-Proven: Boost Lash Length & Density | Gentle for Sensitive Eyes Vegan Cruelty-Free
Navekia£7.5312 rev
Premium Eyelash Growth Serum: Advanced Vegan Formula for Longer Thicker Lashes Natural Safe Ingredients
Recuren Plus£14.77208 rev
Lash Serum for Eyelash Growth - Prostaglandin-Free Eyelash Serum with Peptide for Longer Thicker Fuller Lashes & Eyebrows 5ml
Hryuppr£7.8921 rev
ByBabes Lash CEO Eyelash Growth Serum | Prostaglandin-Free Rapid Brow & Lash Serum For Growth Lift & Thickness | See Fuller Looking Healthier Eyebrows & Eyelashes In 4-6 Weeks | UK Made
By Babes£22.4479 rev
Glow For It - Lash Growth Serum | Enhances Eyelash Length & Volume | Water Based Serum | Natural & Cruelty-Free Formula with Biotin Peptides & Natural Extracts | 3ml
Glow for it£23.38165 rev
Trending
90-day click momentumNavekia Lash Serum 2025 Pro - 2 Key Peptides + New Bio-Enzyme Tech | Science-Proven: Boost Lash Length & Density | Gentle for Sensitive Eyes Vegan Cruelty-Free
Navekia£7.534.0★
Premium Eyelash Growth Serum: Advanced Vegan Formula for Longer Thicker Lashes Natural Safe Ingredients
Recuren Plus£14.774.8★
Lash Serum for Eyelash Growth - Prostaglandin-Free Eyelash Serum with Peptide for Longer Thicker Fuller Lashes & Eyebrows 5ml
Hryuppr£7.894.0★
Eyelash Growth Serum Lash Serums Eyebrow Enhancer and Eyelash Serum for Growth and Thickness Eye Lash Serum to Growth Longer Fuller Stronger With Natural Formula Vegan(New upgrade)
PAPOIYA£8.435.0★
Babe Original Lash Serum - Fuller & Longer Looking Eyelashes Advanced Lash Enhancing Treatment for Natural Lashes Extensions & Eyebrows Vegan & Cruelty-Free 1mL Starter Supply
BABE ORIGINAL£22.974.1★
What buyers say about lash serum
What buyers praise and complain about, mined from review topics.What buyers love
“Great lash serum”
“Really good products arrived on time”
“Excellent price”
“Good applicator”
“does not irritate me”
“Effective”
“Does what it says”
“Easy to use”
“this is definitely the best with consistent results”
“seems to be doing a good job of thickening my lashes”
What buyers complain about
“my eyelashes started falling out again”
“very overpriced”
“irritation”
“Not effective”
“Made no difference”
“It is dry”
“it burns to the point im crying”
“This is thick oil”
“it WILL burn”
“the brush design/quality really lets it down”
Top return reasons
Common questions
- Is lash serum profitable to sell on Amazon United Kingdom?
- The niche generates £1.3M/yr across 30 tracked products. 2 of 7 products launched in the last 360 days are still selling. 90-day search growth is -18.7%. Flapen's verdict: Worth a look (66/100).
- How competitive is the lash serum niche?
- 27 brands and 229 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 56% of demand.
- What do buyers complain about in lash serum?
- Top complaints mined from reviews: Eyelash Quality, Value For Money, Allergies. The return rate is 0.2%.
- 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 £3.69–£89.17; the average listing price is £16.74 (sweet spot $15–$100). The average incumbent carries 4,506 reviews — the moat a new listing must climb.