Is castor oil profitable to sell on Amazon United Kingdom?

The niche generates £1.4M/yr across 13 tracked products. 90-day search growth is -10.0%. Flapen's verdict: Skip it (47/100).

How competitive is the castor oil niche?

10 brands and 28 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in castor oil?

Top complaints mined from reviews: Thickness, Smell, Oily/Greasy. The return rate is 0.2%.

When does demand for castor oil peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the castor oil niche?

Listings span £3.34–£16.34; the average listing price is £7.92 (sweet spot $15–$100). The average incumbent carries 20,769 reviews — the moat a new listing must climb.

castor oil

Skip it

Prices mostly outside the sweet spot ($3.34–$16.34) — this niche doesn't clear our bar today.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Great12.0%

search→purchase rate — share of searches ending in a sale

Market size

Great£1.4M

£1.4M/yr · 1.4M searches

Brand share

Okay84%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Avg price

Bad£7.92

avg listing price — sweet spot $15–$100

Competition

Bad75%

top-5 click share — a locked-up shelf

Growth

Bad-10.0%

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

Review moat

Bad20,769.46

avg incumbent reviews — the moat a new listing must climb

Price range

Bad£3.34–£16.34

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, castor oil is a £1.4M/yr Amazon United Kingdom market (1.4M searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 47/100.

Data updated Jul 20, 2026 · scored weekly · How we score niches

castor oil market data

Units sold / yr: 150K–200K; avg 10,000–12,500/product
Revenue / yr: £1.2M–£1.6M; units × avg price
Conversion rate: 12.0%
Avg BSR: #13
Page quality: 0%
Prime: 100%
Sponsored: 85%
Out of stock: 0.5%
Avg brand age: 40 months
Avg seller age: 154 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

11%

Fushi33%
Pure World19%
Handcraft Blends15%
Tisserand10%
Essican Purelife7%
KANZY HAIR AND BEAUTY5%
Open — no brand owns it (4 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top castor oil search terms

castor oil806K/yr -8.8%9.8% conv.
castor oil organic171K/yr -20.0%10.0% conv.
organic castor oil116K/yr +15.9%8.6% conv.
caster oil70K/yr -14.6%10.3% conv.
fushi39K/yr -13.0%0.4% conv.
castor oil for skin21K/yr +18.2%10.0% conv.
cold pressed castor oil31K/yr -9.6%7.3% conv.
fushi castor oil27K/yr -13.6%13.5% conv.
organic castor oil cold pressed21K/yr -11.6%7.4% conv.
pure castor oil15K/yr +3.4%9.5% 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

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£6.394.7★5,711 rev

Handcraft Blends£8.334.5★122,100 rev

Pure World Natural Castor Oil 100ml. Cold & Freshly Pressed 100% Pure and Undiluted Hexane Free for Eyebrows Nails Beard Hair Eyelash Growth Cruelty Free Food Grade

Pure World£5.424.5★4,925 rev

Tisserand - Organic Castor Oil - 100% Natural Pure - Moisturising Massage Nails Skin and Hair Oil - Earthy and Grounding Aroma - Comes in Recycable Bottle - 100ml

Tisserand£3.344.8★139 rev

Pure World Natural Castor Oil 250ML Cold & Freshly Pressed 100% Pure and Undiluted Hexane Free Nourish Your Skin and Hair Eyebrows Nails Beard Hair Eyelash Growth Food Grade

Pure World£7.294.6★5,557 rev

Newest

by launch date

MAYJAM Organic Castor Oil 473ML Pure Natural Cold & Fresh-Pressed Promotes Hair Eyebrow and Eyelash Growth Carrier Oil for Nourish Skin

MAYJAM£7.121,297 rev

1y ago

Tisserand - Organic Castor Oil - 100% Natural Pure - Moisturising Massage Nails Skin and Hair Oil - Earthy and Grounding Aroma - Comes in Recycable Bottle - 100ml

Tisserand£3.34139 rev

1y ago

Essican Purelife Castor Oil Organic Hexane Free Glass Bottle with Pump 1000ml (Pack of 1) - Pure Organic Castor Oil Cold Pressed Natural for Healthy Skin Face Body Eyelashes Brow Hair Growth Vitamin E

Essican Purelife£16.341,845 rev

2y ago

Essican Purelife Castor Oil Organic Hexane Free Glass Bottle with Pump 250ml (Pack of 1)- Pure Organic Castor Oil Cold Pressed Natural for Healthy Skin Face Body Eyelashes Brow Hair Growth Vitamin E

Essican Purelife£8.331,845 rev

2y ago

Pure World Natural Castor Oil 100ml. Cold & Freshly Pressed 100% Pure and Undiluted Hexane Free for Eyebrows Nails Beard Hair Eyelash Growth Cruelty Free Food Grade

Pure World£5.424,925 rev

3y ago

What buyers say about castor oil

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

What buyers love

Quality-Overall35%

“Good quality arrived quickly”

Value For Money13%

“Affordable price”

Advertised Vs Actual Product6%

“Does the job”

Ease Of Use3%

“Ease of use”

Oily/Greasy3%

“Pleased with the caster oil”

Size-Overall2%

“Good size”

Thickness2%

“But the consistency is thick enough”

Smell2%

“has a strong smell as to be expected”

Soft Feel2%

“Smooth on skin”

Suitability Combination Skin2%

“Very happy improved skin”

What buyers complain about

Thickness12%

“It is messy as its so thick”

Smell9%

“Plastic smell”

Oily/Greasy7%

“Can confirm it's very greasy”

Adhesion/Stickiness7%

“makes everything sticky”

Advertised Vs Actual Product6%

“False advertising”

Dispensing Mechanism3%

“packaging unfortunate as dispenser lip broken”

Leak-Proof3%

“the oil was leaking in the bubble wrap”

Size-Overall2%

“much larger bottle than I thought which was a pleasant surprise”

Material Quality2%

“The bottle material isnt great”

Absorbency2%

“Poor absorbion”

Top return reasons

Leak-Proof23%

Size-Overall12%

Quality-Overall8%

Smell7%

Functionality-Overall6%

Motor Power6%

Defective Material/Parts5%

Advertised Vs Actual Product5%

Material Quality4%

Vegan/Organic4%

Common questions

Is castor oil profitable to sell on Amazon United Kingdom?: The niche generates £1.4M/yr across 13 tracked products. 90-day search growth is -10.0%. Flapen's verdict: Skip it (47/100).
How competitive is the castor oil niche?: 10 brands and 28 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in castor oil?: Top complaints mined from reviews: Thickness, Smell, Oily/Greasy. The return rate is 0.2%.
When does demand for castor oil peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the castor oil niche?: Listings span £3.34–£16.34; the average listing price is £7.92 (sweet spot $15–$100). The average incumbent carries 20,769 reviews — the moat a new listing must climb.