---
title: "Castor Oil for Eyelashes — £82K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/castor-oil-for-eyelashes"
last_updated: "2026-08-09T16:19:18.339Z"
locale: en
meta:
description: "Niche score 32/100 · £82K/yr market · 103K searches/yr · £6.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · £82K/yr market · 103K searches/yr · £6.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Castor Oil for Eyelashes — £82K/yr Amazon UK Niche (2026) - Flapen"
---
# **castor oil for eyelashes**
**Skip it**
Prices mostly outside the sweet spot ($3.34–$10.50) — this niche doesn't clear our bar today.
Market size 21Growth 13Conversion 96Competition 8Returns 100Price range 0Avg price 17Brand share 10Review moat 16Quality gap 37
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****£82K**
£82K/yr · 103K searches
**Avg price**
**Bad****£6.12**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****20,429**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-23.8%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****96%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****90%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****£3.34–£10.50**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, castor oil for eyelashes is a £82K/yr Amazon United Kingdom market (103K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 32/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **castor oil for eyelashes market data**
- **Units sold / yr**
- **13K–15K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£77K–£92K**
- units × avg price
- **Conversion rate**
- **13.1%**
- **Avg BSR**
- **#22**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **78%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **154 days**
## **Competition & brand share**
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**25**
**Top-5 brand share**
**96%**
Top 20: 100%
**Top-5 click share**
**90%**
Top 20: 100%
**Open market**
**2%**
- KANZY HAIR AND BEAUTY48% - ETRONG30% - BIONOBLE8% - Prolixir8% - Forest & Shore3% - Fushi2% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.8% search growth over the last 90 days.
2K2KSpike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/beauty/castor-oil-for-eyelashes/trend)
## **Top castor oil for eyelashes search terms**
- **castor oil for eyelashes**44K/yr-34.2%13.3% conv. - **castor oil for eyebrows**12K/yr-19.0%11.3% conv. - **brow oil**6K/yr-1.9%6.5% conv. - **lash oil**7K/yr+5.3%5.7% conv. - **eyebrow oil**5K/yr-9.8%6.9% conv. - **castor oil eyebrows**5K/yr-19.9%15.1% conv. - **castor oil eyelashes**5K/yr-23.3%14.0% conv. - **eyelash oil**4K/yr-8.1%9.8% conv. - **castor oil for lashes**4K/yr-34.0%12.5% conv. - **eyebrow oil after lamination**3K/yr-5.3%10.8% conv. [**All search terms **](https://flapen.com/research/uk/beauty/castor-oil-for-eyelashes/search-terms)
## **Top castor oil for eyelashes 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%10%£8K20%£16K30%£25K40%£33K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Kanzy Castor Oil for Eyelashes and Eyebrows 50ml Cold Pressed for Hair Growth 100% Natural and Pure with Brushes for Hair Beard Nails and Skin**KANZY HAIR AND BEAUTY**£4.82**4.5★46,493 rev](https://www.amazon.co.uk/dp/B099S3PQ86) [2**ETRONG Organic Castor Oil Pure Cold Pressed Castor Oil for Eyebrows Eyelashes Hair Growth Nails and Skin with 1 Set of Eyebrow&Eyeliner Brushes (10 ml)**ETRONG**£3.50**4.4★10,319 rev](https://www.amazon.co.uk/dp/B0BGPDHTRR) [3**Kanzy Castor Oil for Eyelashes and Eyebrows 100ml Cold Pressed Castor Oil for Hair Growth 100% Natural and Pure Oil with Brushes For Hair Beard Nails and Skin**KANZY HAIR AND BEAUTY**£5.62**4.5★46,493 rev](https://www.amazon.co.uk/dp/B099S3M76F) [4**BIONOBLE Organic Castor Oil Cold Pressed + Mascara Kit - Hexane Free 100% Natural - Pure Castor Oil Organic for Eyelashes Hair Growth Eyebrows Skin Face - Glass Bottle Pipette and Pump - 50ml**BIONOBLE**£10.50**4.5★61,933 rev](https://www.amazon.co.uk/dp/B07RCB88TY) [5**Prolixir Organic Castor Oil for lashes & Brows Cold Pressed Lash & Brow Growth Repair & Conditioning Oil with Vitamin E Precision Applicators For Fuller Looking Lashes Brows Hair & Nails 60ml**Prolixir**£7.86**4.3★512 rev](https://www.amazon.co.uk/dp/B0CXF5P1SX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Tisserand - Organic Castor Oil - 100% Natural Pure - Moisturising Massage Nails Skin and Hair Oil - Earthy and Grounding Aroma - Comes in Recycable Bottle - 100ml**Tisserand**£3.34**139 rev1y ago](https://www.amazon.co.uk/dp/B0DGLS8X72) [**Prolixir Organic Castor Oil for lashes & Brows Cold Pressed Lash & Brow Growth Repair & Conditioning Oil with Vitamin E Precision Applicators For Fuller Looking Lashes Brows Hair & Nails 60ml**Prolixir**£7.86**512 rev2y ago](https://www.amazon.co.uk/dp/B0CXF5P1SX) [**Forest & Shore Castor Oil 100% Natural & Organic for Hair Growth Eyebrows Eyelashes and Skin Hair Tonic Oil**Forest & Shore**£7.69**1,942 rev3y ago](https://www.amazon.co.uk/dp/B0B2R48XPR) [**Kanzy Castor Oil for Eyelashes and Eyebrows 50ml Cold Pressed for Hair Growth 100% Natural and Pure with Brushes for Hair Beard Nails and Skin**KANZY HAIR AND BEAUTY**£4.82**46,493 rev5y ago](https://www.amazon.co.uk/dp/B099S3PQ86) [**Kanzy Castor Oil for Eyelashes and Eyebrows 100ml Cold Pressed Castor Oil for Hair Growth 100% Natural and Pure Oil with Brushes For Hair Beard Nails and Skin**KANZY HAIR AND BEAUTY**£5.62**46,493 rev5y ago](https://www.amazon.co.uk/dp/B099S3M76F)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Tisserand - Organic Castor Oil - 100% Natural Pure - Moisturising Massage Nails Skin and Hair Oil - Earthy and Grounding Aroma - Comes in Recycable Bottle - 100ml**Tisserand**£3.34**4.8★**▲ 115%**](https://www.amazon.co.uk/dp/B0DGLS8X72) [**Fushi Organic Castor Oil 250ml Glass Bottle 100% Pure Cold & Fresh-Pressed For Dry Skin & Hair Growth Eyelashes & Eyebrows Hexane Free Natural Food-grade Sustainably Sourced**Fushi**£6.39**4.7★**▲ 35%**](https://www.amazon.co.uk/dp/B00BJJVLJ0) [**Kanzy Castor Oil for Eyelashes and Eyebrows 50ml Cold Pressed for Hair Growth 100% Natural and Pure with Brushes for Hair Beard Nails and Skin**KANZY HAIR AND BEAUTY**£4.82**4.5★**▲ 20%**](https://www.amazon.co.uk/dp/B099S3PQ86) [**Prolixir Organic Castor Oil for lashes & Brows Cold Pressed Lash & Brow Growth Repair & Conditioning Oil with Vitamin E Precision Applicators For Fuller Looking Lashes Brows Hair & Nails 60ml**Prolixir**£7.86**4.3★**— 8%**](https://www.amazon.co.uk/dp/B0CXF5P1SX) [**ETRONG Organic Castor Oil Pure Cold Pressed Castor Oil for Eyebrows Eyelashes Hair Growth Nails and Skin with 1 Set of Eyebrow&Eyeliner Brushes (10 ml)**ETRONG**£3.50**4.4★**— 2%**](https://www.amazon.co.uk/dp/B0BGPDHTRR)
**~~View all trending →~~**
## **What buyers say about castor oil for eyelashes**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**38%
*“Seems to be good quality oil”*
**Value For Money**13%
*“Good value for money”*
**Eyelash Quality**6%
*“this has actually grown my lashes”*
**Advertised Vs Actual Product**4%
*“As described”*
**Thickness**4%
*“Great for thickness of eyelashes”*
**Ease Of Application**3%
*“Easy application”*
**Moist/Dry**2%
*“Excellent moisturiser which i use on my face mainly”*
**Smell**2%
*“I normally go for nice smelly products”*
**Suitability Combination Skin**2%
*“Great product - game changer for complexion”*
**Oily/Greasy**2%
*“Great oil”*
### **What buyers complain about **
**Thickness**11%
*“This is thick oil”*
**Smell**8%
*“It doesnt smell very nice”*
**Eyelash Quality**8%
*“given the consistency I could not apply it successfully to my eyelashes without getting it into my eyes”*
**Oily/Greasy**6%
*“It is initially greasy when applied”*
**Leak-Proof**5%
*“lid on mascara bottle not leak proof though so wouldnt put it in handbag or makeup bag”*
**Ease Of Cleaning**5%
*“Messy”*
**Ease Of Use**4%
*“Dont use neat”*
**Advertised Vs Actual Product**3%
*“False advertising”*
**Allergies**3%
*“It irritated my eyes”*
**Size-Overall**3%
*“Photo lied it's do much smaller”*
### **Top return reasons **
**Leak-Proof**31%
**Size-Overall**11%
**Quality-Overall**10%
**Defective Material/Parts**8%
**Functionality-Overall**8%
**Oily/Greasy**7%
**Product Condition**5%
**Contamination**4%
**Ease Of Use**3%
**Smell**2%
## **Common questions**
- **Is castor oil for eyelashes profitable to sell on Amazon United Kingdom?**
- The niche generates £82K/yr across 9 tracked products. 90-day search growth is -23.8%. Flapen's verdict: Skip it (32/100).
- **How competitive is the castor oil for eyelashes niche?**
- 7 brands and 25 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 96% of demand.
- **What do buyers complain about in castor oil for eyelashes?**
- Top complaints mined from reviews: Thickness, Smell, Eyelash Quality. The return rate is 0.1%.
- **When does demand for castor oil for eyelashes peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the castor oil for eyelashes niche?**
- Listings span £3.34–£10.50; the average listing price is £6.12 (sweet spot $15–$100). The average incumbent carries 20,429 reviews — the moat a new listing must climb.
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