castrol oil
Skip itA deep review moat (23,430 avg reviews) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great$18.91avg listing price — sweet spot $15–$100
Conversion
Great7.2%search→purchase rate — share of searches ending in a sale
Price range
Good$7.02–$35.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good72%top-5 brand share — brands hold most of the demand
Market size
Okay$120K$120K/yr · 88K searches
Competition
Bad70%top-5 click share — a locked-up shelf
Growth
Bad-3.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad23,430avg 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
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.No pronounced peak months · busiest ÷ quietest = 1.4×
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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$9.794.6★57,050 rev

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$8.684.5★118,169 rev

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$18.664.8★25,244 rev

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$24.224.7★1,822 rev

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$9.744.7★6,088 rev
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$9.879,688 rev

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$24.221,822 rev

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$8.64792 rev

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$32.417,751 rev

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$9.746,088 rev
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$8.644.5★

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$24.224.7★

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$9.874.6★

Castrol EDGE High Mileage 5W-30 Advanced Full Synthetic Motor Oil 5 Quarts
Castrol$26.164.8★

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$18.664.8★
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.