---
title: "Castrol Oil — $120K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/castrol-oil"
last_updated: "2026-08-06T16:38:51.287Z"
locale: en
meta:
description: "Niche score 45/100 · $120K/yr market · 88K searches/yr · $18.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · $120K/yr market · 88K searches/yr · $18.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Castrol Oil — $120K/yr Amazon US Niche (2026) - Flapen"
---
# **castrol oil**
**Skip it**
A deep review moat (23,430 avg reviews) — this niche doesn't clear our bar today.
Market size 28Growth 23Conversion 76Competition 25Returns 97Price range 72Avg price 85Brand share 56Review moat 14Quality gap 21
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.91**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.2%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$7.02–$35.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$120K**
$120K/yr · 88K searches
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-3.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****23,430**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, castrol oil is a $120K/yr Amazon United States market (88K searches/yr). The top 5 brands hold 72% of demand. Verdict: Skip it — 45/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **castrol oil market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$113K–$151K**
- units × avg price
- **Conversion rate**
- **7.2%**
- **Avg BSR**
- **#59**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**16 **▲rising
**Sellers**
**60**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**22%**
- Handcraft Blends23% - Kate Blanc Cosmetics18% - HERITAGE STORE15% - Florisan8% - Essentially KateS8% - Majestic Pure6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -3.3% search growth over the last 90 days.
3K2KHoliday '24Spike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/health-household/castrol-oil/trend)
## **Top castrol oil 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%$12K20%$24K30%$36K40%$48K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Handcraft Blends Organic Castor Oil 16 Fl Oz | 100% Pure and Natural | Premium Grade Carrier Oil | Hair Eyelashes and Eyebrows | Hair and Body | Expeller-Pressed | Hexane-Free**Handcraft Blends**$9.79**4.6★57,050 rev](https://www.amazon.com/dp/B0734849YK) [2**Kate Blanc Cosmetics Castor Oil Organic for Hair Lashes Face Skin (2oz) 100% Pure Cold Pressed Hexane Free Hair Oil. Lash Serum for Thicker-Looking Eyelashes & Eyebrows**Kate Blanc Cosmetics**$8.68**4.5★118,169 rev](https://www.amazon.com/dp/B01NALN8Q9) [3**HERITAGE STORE Organic Castor Oil - Glass Bottle - Nourishing Treatment for Hair and Skin - Eyelash Serum for Eyelashes Brows Castor Oil Packs - Cold Pressed Hexane Free Vegan 16oz**HERITAGE STORE**$18.66**4.8★25,244 rev](https://www.amazon.com/dp/B0013YYNDM) [4**Florisan USDA Certified Organic Castor Oil 16oz Glass Bottle Cold Pressed Hexane-Free Non-GMO Vegan 100% Pure Castor Oil for Hair Growth Skin Lashes Eyebrows EWG Verified**Florisan**$24.22**4.7★1,822 rev](https://www.amazon.com/dp/B0D9PP29TJ) [5**Essentially KateS Castor Oil 16 Fl Oz (Glass Bottle) - Original - A Huge Glass Bottle with a Pump - 100% Pure and Natural Cold Pressed and Hexane-Free - Hair and Body**Essentially KateS**$9.74**4.7★6,088 rev](https://www.amazon.com/dp/B0DJMJS2Y3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Brooklyn Botany Cold-Pressed Organic Castor Oil | 16 Fl Oz | Hair | Face | Body | 100% Pure and Natural | Carrier Oil | Aromatherapy | Massage | Ayurvedic Hair Care | Hexane-Free**Brooklyn Botany**$9.87**9,688 rev1y ago](https://www.amazon.com/dp/B0F6796RPP) [**Florisan USDA Certified Organic Castor Oil 16oz Glass Bottle Cold Pressed Hexane-Free Non-GMO Vegan 100% Pure Castor Oil for Hair Growth Skin Lashes Eyebrows EWG Verified**Florisan**$24.22**1,822 rev1y ago](https://www.amazon.com/dp/B0D9PP29TJ) [**Kitsch Organic Castor Oil for Hair Growth - 100% Pure Castor Oil Organic Cold Pressed Unrefined Glass Bottle for Face Skin Lashes Brows Scalp Nails & Belly Button | Ideal Gifts for Women - 2 oz**Kitsch**$8.64**792 rev2y ago](https://www.amazon.com/dp/B0D7NVTPG2) [**Seven Minerals USDA Organic Castor Oil - Big 16 oz Glass Bottle with Pump - 100% Pure Cold Pressed Unrefined Hexane Free - for Hair Growth Eyelashes Eyebrows Skin Cuticles & Caster Oil Packs**Seven Minerals**$32.41**7,751 rev2y ago](https://www.amazon.com/dp/B0CMDD18FS) [**Essentially KateS Castor Oil 16 Fl Oz (Glass Bottle) - Original - A Huge Glass Bottle with a Pump - 100% Pure and Natural Cold Pressed and Hexane-Free - Hair and Body**Essentially KateS**$9.74**6,088 rev3y ago](https://www.amazon.com/dp/B0DJMJS2Y3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kitsch Organic Castor Oil for Hair Growth - 100% Pure Castor Oil Organic Cold Pressed Unrefined Glass Bottle for Face Skin Lashes Brows Scalp Nails & Belly Button | Ideal Gifts for Women - 2 oz**Kitsch**$8.64**4.5★**▲ 203%**](https://www.amazon.com/dp/B0D7NVTPG2) [**Florisan USDA Certified Organic Castor Oil 16oz Glass Bottle Cold Pressed Hexane-Free Non-GMO Vegan 100% Pure Castor Oil for Hair Growth Skin Lashes Eyebrows EWG Verified**Florisan**$24.22**4.7★**▲ 177%**](https://www.amazon.com/dp/B0D9PP29TJ) [**Brooklyn Botany Cold-Pressed Organic Castor Oil | 16 Fl Oz | Hair | Face | Body | 100% Pure and Natural | Carrier Oil | Aromatherapy | Massage | Ayurvedic Hair Care | Hexane-Free**Brooklyn Botany**$9.87**4.6★**▲ 144%**](https://www.amazon.com/dp/B0F6796RPP) [**Castrol EDGE High Mileage 5W-30 Advanced Full Synthetic Motor Oil 5 Quarts**Castrol**$26.16**4.8★**▲ 66%**](https://www.amazon.com/dp/B01CRYHNI8) [**HERITAGE STORE Organic Castor Oil - Glass Bottle - Nourishing Treatment for Hair and Skin - Eyelash Serum for Eyelashes Brows Castor Oil Packs - Cold Pressed Hexane Free Vegan 16oz**HERITAGE STORE**$18.66**4.8★**▲ 23%**](https://www.amazon.com/dp/B0013YYNDM)
**~~View all trending →~~**
## **Common questions**
- **Is castrol oil profitable to sell on Amazon United States?**
- The niche generates $120K/yr across 17 tracked products. 90-day search growth is -3.3%. Flapen's verdict: Skip it (45/100).
- **How competitive is the castrol oil niche?**
- 16 brands and 60 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 72% of demand.
- **When does demand for castrol oil peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the castrol oil niche?**
- Listings span $7.02–$35.93; the average listing price is $18.91 (sweet spot $15–$100). The average incumbent carries 23,430 reviews — the moat a new listing must climb.
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