Is castor oil profitable to sell on Amazon United States?

The niche generates $18.3M/yr across 24 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.1%. Flapen's verdict: Worth a look (61/100).

How competitive is the castor oil niche?

18 brands and 62 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 65% of demand.

What do buyers complain about in castor oil?

Top complaints mined from reviews: Motor Power, Leak-Proof, Smell. The return rate is 0.7%.

When does demand for castor oil peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the castor oil niche?

Listings span $7.02–$35.93; the average listing price is $19.24 (sweet spot $15–$100). The average incumbent carries 20,662 reviews — the moat a new listing must climb.

castor oil

Worth a look

Shows a $18.3M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size

Incredible$18.3M

$18.3M/yr · 10.2M searches

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Avg price

Great$19.24

avg listing price — sweet spot $15–$100

Conversion

Great9.3%

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

Good65%

top-5 brand share — brands hold most of the demand

Competition

Okay59%

top-5 click share — leaders hold, buyers still browse

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-7.1%

90-day search growth — must beat 0% to launch

Review moat

Bad20,662.25

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, castor oil is a $18.3M/yr Amazon United States market (10.2M searches/yr). The top 5 brands hold 65% of demand. Verdict: Worth a look — 61/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

castor oil market data

Units sold / yr: 1.0M–1.0M; avg 40,000–50,000/product
Revenue / yr: $19.2M–$19.2M; units × avg price
Conversion rate: 9.3%
Avg BSR: #51
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 47 months
Avg seller age: 143 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

59%

Top 20: 95%

Open market

29%

Handcraft Blends20%
HERITAGE STORE15%
Kate Blanc Cosmetics13%
Essentially KateS9%
Majestic Pure8%
Florisan7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.1% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top castor oil search terms

castor oil4.9M/yr -5.3%9.0% conv.
castor oil organic cold pressed656K/yr +110.5%9.3% conv.
organic castor oil973K/yr +11.4%8.4% conv.
aceite de ricino389K/yr -25.0%2.9% conv.
castor oil organic1.1M/yr -74.8%8.6% conv.
caster oil207K/yr -0.4%8.8% conv.
aceite de ricino 100 puro y natural228K/yr -22.1%2.3% conv.
castor oil for hair growth231K/yr -35.3%4.7% conv.
cold pressed organic castor oil145K/yr -34.1%8.5% conv.
cold pressed castor oil163K/yr -7.9%8.1% conv.

All search terms

Top castor 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.

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

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

Majestic Pure Oil - 100% Pure and Natural- Cold Pressed & Hexane Free Natural Hair Growth Oil for Eyelashes Eyebrows Skin Body Face Nails & Scalp - USDA Organic Castor Oil 8 Fl Oz

Majestic Pure$7.954.6★3,767 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

Essentially KateS Castor Oil 16 Fl Oz (Glass Bottle) - 100% Cold Pressed - USDA Organic Certified - Skin Care Nail Care Hair Care and Body Care

Essentially KateS$14.546,088 rev

9mo ago

Brooklyn Botany$9.879,688 rev

1y ago

Ella & Eden USDA Organic Castor Oil 100% Pure Cold Pressed Hexane-Free - Glass Bottle - For Hair Growth Face Eyelash Skin Stomach - Unrefined 16 Fl Oz

Ella & Eden$26.551,423 rev

1y ago

Ella & Eden Organic Castor Oil Cold-Pressed Hexane-Free 32 fl oz

Ella & Eden$24.811,022 rev

1y ago

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

1y ago

What buyers say about castor oil

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall34%

“Amazing Quality”

Value For Money9%

“fair price”

Advertised Vs Actual Product6%

“As Described”

Moist/Dry6%

“Great moisturizer”

Soft Feel4%

“Skin feels smooth”

Smell4%

“No strong odor”

Suitability Combination Skin3%

“Great for skin”

Oily/Greasy3%

“Very good oil”

Thickness3%

“Super thick”

Ease Of Use3%

“Goes on easy”

What buyers complain about

Motor Power12%

“Pump was broken”

Leak-Proof10%

“Leaked”

Smell10%

“slight smell”

Thickness8%

“Not as thick as I expected”

Oily/Greasy5%

“left hair oily”

Advertised Vs Actual Product4%

“False Advertising”

Functionality-Overall4%

“The pump does not work”

Allergies3%

“Caused rash”

Adhesion/Stickiness3%

“EXTREMELY STICKY”

Size-Overall2%

“Bad small”

Top return reasons

Leak-Proof22%

Advertised Vs Actual Product13%

Smell11%

Motor Power11%

Size-Overall7%

Oily/Greasy7%

Material Quality5%

Functionality-Overall3%

Value For Money3%

Defective Material/Parts3%

Common questions

Is castor oil profitable to sell on Amazon United States?: The niche generates $18.3M/yr across 24 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.1%. Flapen's verdict: Worth a look (61/100).
How competitive is the castor oil niche?: 18 brands and 62 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in castor oil?: Top complaints mined from reviews: Motor Power, Leak-Proof, Smell. The return rate is 0.7%.
When does demand for castor oil peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the castor oil niche?: Listings span $7.02–$35.93; the average listing price is $19.24 (sweet spot $15–$100). The average incumbent carries 20,662 reviews — the moat a new listing must climb.

castor oil

castor oil market data

Competition & brand share

Demand & seasonality

Top castor oil search terms

Top castor oil products on Amazon

Top sellers

Newest

Trending

What buyers say about castor oil

What buyers love

What buyers complain about

Top return reasons

Common questions

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