---
title: "castrol oil — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/castrol-oil"
last_updated: "2026-07-14T03:10:57.736Z"
locale: en
meta:
  description: "a deep review moat (23,430 avg reviews) — castrol oil doesn't clear our bar today."
  "og:description": "a deep review moat (23,430 avg reviews) — castrol oil doesn't clear our bar today."
  "og:title": "castrol oil — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
---

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# **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 6% 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

## **Competition**

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%**

**Open market**

**22%**

- Handcraft Blends23% - Kate Blanc Cosmetics18% - HERITAGE STORE15% - Florisan8% - Essentially KateS8% - Majestic Pure6%

## **Product shelf**

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](https://m.media-amazon.com/images/I/41fxCCoeLzL.jpg)**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](https://m.media-amazon.com/images/I/41DFuMui58L.jpg)**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](https://m.media-amazon.com/images/I/41m0SK9PMQL.jpg)**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](https://m.media-amazon.com/images/I/41c5diMXoUL.jpg)**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](https://m.media-amazon.com/images/I/41yMthbW83L.jpg)**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](https://m.media-amazon.com/images/I/41ajtBHaJWL.jpg)**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](https://m.media-amazon.com/images/I/41c5diMXoUL.jpg)**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](https://m.media-amazon.com/images/I/41F3jRth7eL.jpg)**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](https://m.media-amazon.com/images/I/41j-dwgnHYL.jpg)**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](https://m.media-amazon.com/images/I/41yMthbW83L.jpg)**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](https://m.media-amazon.com/images/I/41F3jRth7eL.jpg)**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](https://m.media-amazon.com/images/I/41c5diMXoUL.jpg)**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](https://m.media-amazon.com/images/I/41ajtBHaJWL.jpg)**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](https://m.media-amazon.com/images/I/41iXOJfypzL.jpg)**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](https://m.media-amazon.com/images/I/41m0SK9PMQL.jpg)**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 →~~**

## **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×