---
title: "Lash Serum — £1.3M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/lash-serum"
last_updated: "2026-08-09T06:33:54.712Z"
locale: en
meta:
description: "Niche score 66/100 · £1.3M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 66/100 · £1.3M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Lash Serum — £1.3M/yr Amazon UK Niche (2026) - Flapen"
---
# **lash serum**
**Worth a look**
Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 83Growth 16Conversion 75Competition 59Returns 99Price range 84Avg price 79Brand share 79Review moat 25Quality gap 78
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Price range**
**Great****£3.69–£89.17**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Great****£1.3M**
£1.3M/yr · 1.1M searches
**Brand share**
**Great****56%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****£16.74**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Great****7.1%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****4,505.83**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-18.7%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")
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 ~~](https://flapen.com/research/methodology)
## **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.
40K30KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/beauty/lash-serum/trend)
## **Top lash serum search terms**
- **lash serum**428K/yr-23.4%4.9% conv. - **eyelash serum**277K/yr-15.8%6.2% conv. - **eyelash growth serum**73K/yr-12.5%6.0% conv. - **eye lash serum growth**50K/yr-15.1%6.7% conv. - **lash growth serum**46K/yr-18.6%5.4% conv. - **eyelash serum for growth and thickness**35K/yr-10.6%7.4% conv. - **revitalash eyelash serum**31K/yr-24.5%3.8% conv. - **lash serum growth rapid lash**30K/yr-15.5%6.0% conv. - **revitalash**22K/yr-7.6%2.0% conv. - **rapid lash serum**19K/yr-19.1%10.8% conv. [**All search terms **](https://flapen.com/research/uk/beauty/lash-serum/search-terms)
## **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.
0%5%£66K10%£131K15%£197K20%£262K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**The Ordinary Multi-Peptide Lash and Brow Serum Peptide-Powered Formula for Thicker Fuller Looking Lashes & Brows 5ml**The Ordinary**£10.90**4.2★6,076 rev](https://www.amazon.co.uk/dp/B0B5DYY1HQ) [2**Wewell Eyelash Growth Serum Thicker Lashes 3 ML (Peacock Blue)**Wewell**£11.55**4.4★5,493 rev](https://www.amazon.co.uk/dp/B0992MGC7G) [3**UKLASH Eyelash Growth Serum For Longer & Fuller Lashes - 3ml. Clinically Proven Formula for Naturally Longer Lashes and Extensions. Vegan & Cruelty-Free**UKLASH**£26.85**4.4★2,641 rev](https://www.amazon.co.uk/dp/B07QSVTVRD) [4**RapidLash Eyelash Enhancing Growth Serum for Longer Thicker Lashes 3 ml (Pack of 1)**RapidLash**£19.94**4.1★7,301 rev](https://www.amazon.co.uk/dp/B0097G3XDY) [5**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**£6.95**4.0★2,416 rev](https://www.amazon.co.uk/dp/B07QB3HK8X)
**~~View all top sellers →~~**
### **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**£7.53**12 rev3mo ago](https://www.amazon.co.uk/dp/B0GWL8DVFR) [**Premium Eyelash Growth Serum: Advanced Vegan Formula for Longer Thicker Lashes Natural Safe Ingredients**Recuren Plus**£14.77**208 rev4mo ago](https://www.amazon.co.uk/dp/B0GPR662V9) [**Lash Serum for Eyelash Growth - Prostaglandin-Free Eyelash Serum with Peptide for Longer Thicker Fuller Lashes & Eyebrows 5ml**Hryuppr**£7.89**21 rev6mo ago](https://www.amazon.co.uk/dp/B0GJ647WVY) [**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**£22.44**79 rev10mo ago](https://www.amazon.co.uk/dp/B0GJ6QXCNG) [**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**£23.38**165 rev1y ago](https://www.amazon.co.uk/dp/B0FBGVH1H2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**£7.53**4.0★**▲ 314%**](https://www.amazon.co.uk/dp/B0GWL8DVFR) [**Premium Eyelash Growth Serum: Advanced Vegan Formula for Longer Thicker Lashes Natural Safe Ingredients**Recuren Plus**£14.77**4.8★**▲ 308%**](https://www.amazon.co.uk/dp/B0GPR662V9) [**Lash Serum for Eyelash Growth - Prostaglandin-Free Eyelash Serum with Peptide for Longer Thicker Fuller Lashes & Eyebrows 5ml**Hryuppr**£7.89**4.0★**▲ 307%**](https://www.amazon.co.uk/dp/B0GJ647WVY) [**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**£8.43**5.0★**▲ 306%**](https://www.amazon.co.uk/dp/B0GHN56CZK) [**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**£22.97**4.1★**▲ 168%**](https://www.amazon.co.uk/dp/B0BNQVTYHD)
**~~View all trending →~~**
## **What buyers say about lash serum**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Eyelash Quality**34%
*“Great lash serum”*
**Quality-Overall**17%
*“Really good products arrived on time”*
**Value For Money**9%
*“Excellent price”*
**Ease Of Application**7%
*“Good applicator”*
**Allergies**5%
*“does not irritate me”*
**Efficiency**4%
*“Effective”*
**Advertised Vs Actual Product**3%
*“Does what it says”*
**Ease Of Use**3%
*“Easy to use”*
**Symptom Reduction**2%
*“this is definitely the best with consistent results”*
**Thickness**1%
*“seems to be doing a good job of thickening my lashes”*
### **What buyers complain about **
**Eyelash Quality**18%
*“my eyelashes started falling out again”*
**Value For Money**10%
*“very overpriced”*
**Allergies**10%
*“irritation”*
**Functionality-Overall**8%
*“Not effective”*
**Symptom Reduction**7%
*“Made no difference”*
**Moist/Dry**6%
*“It is dry”*
**Sensitivity-Overall**3%
*“it burns to the point im crying”*
**Thickness**3%
*“This is thick oil”*
**Side Effects**2%
*“it WILL burn”*
**Quality-Overall**2%
*“the brush design/quality really lets it down”*
### **Top return reasons **
**Functionality-Overall**16%
**Moist/Dry**13%
**Leak-Proof**11%
**Value For Money**10%
**Advertised Vs Actual Product**7%
**Defective Material/Parts**6%
**Ingredients-Overall**5%
**Product Condition**5%
**Sensitivity-Overall**3%
**Adhesion/Stickiness**3%
## **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.
## **Related niches in Beauty**
- 68 [**cellulite massager**](https://flapen.com/research/uk/beauty/cellulite-massager)£199K/yr+31.0%**Worth a look**- 68 [**anti chafing stick**](https://flapen.com/research/uk/beauty/anti-chafing-stick)£446K/yr+174.2%**Worth a look**- 68 [**primus aged garlic**](https://flapen.com/research/uk/beauty/primus-aged-garlic)£18K/yr+144.2%**Worth a look**- 68 [**face gems**](https://flapen.com/research/uk/beauty/face-gems)£156K/yr+184.1%**Worth a look**- 68 [**england face paint**](https://flapen.com/research/uk/beauty/england-face-paint)£20K/yr>1,000%**Worth a look**- 68 [**electric nail clippers**](https://flapen.com/research/uk/beauty/electric-nail-clippers)£491K/yr-79.8%**Worth a look**[**All Beauty niches **](https://flapen.com/research/uk/beauty)