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castor oil for hair growth

Skip it

Soft demand (-47.4% this quarter) — this niche doesn't clear our bar today.

Market size 6Growth 1Conversion 67Competition 47Returns 99Price range 46Avg price 22Brand share 56Review moat 5Quality gap 40

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Good6.0%

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

Brand share

Good72%

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

Competition

Okay57%

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

Price range

Okay£3.34–£25.07

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Bad£7.98

avg listing price — sweet spot $15–$100

Market size

Bad£25K

£25K/yr · 53K searches

Review moat

Bad40,185.76

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-47.4%

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

According to Flapen's Amazon United Kingdom niche tracking, castor oil for hair growth is a £25K/yr Amazon United Kingdom market (53K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 38/100.

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

castor oil for hair growth market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
£24K–£32K
units × avg price
Conversion rate
6.0%
Avg BSR
#82
Page quality
0%
Prime
100%
Sponsored
71%
Out of stock
1.0%
Avg brand age
53 months
Avg seller age
160 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

64

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

57%

Top 20: 99%

Open market

23%

  • Handcraft Blends32%
  • Fushi16%
  • KANZY HAIR AND BEAUTY9%
  • Nature Spell8%
  • Pure World7%
  • Botanic Hearth5%

Demand & seasonality

Weekly Amazon search volume, last 90 weeks — -47.4% search growth over the last 90 days.
3K2KSpike '25NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Feb · busiest ÷ quietest = 1.9×

Top castor oil for hair growth search terms

  • castor oil for hair growth30K/yr
  • castor oil for hair9K/yr
  • castor oil hair growth8K/yr
  • castor oil hair4K/yr
  • kate blanc castor oil1K/yr
All search terms

Top castor oil for hair growth 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%5%£1K10%£3K15%£4K20%£5K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about castor oil for hair growth

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

What buyers love

Quality-Overall33%

“Seems to be good quality oil”

Value For Money10%

“Affordable price”

Advertised Vs Actual Product6%

“As described”

Smell4%

“Best hairoil ever nice smell”

Hair Growth3%

“Good for hair growth”

Oily/Greasy3%

“Love to the good ole castor oil”

Lubrication3%

“Just the perfect oil”

Ease Of Use3%

“Ease of use”

Soft Feel2%

“It feels great”

Absorbency2%

“absorbent”

What buyers complain about

Thickness15%

“It is messy as its so thick”

Smell11%

“Smells like smoke”

Adhesion/Stickiness10%

“makes everything sticky”

Oily/Greasy6%

“annoying to put on your hair as ur hair will get greasy quickly”

Quality-Overall4%

“Overall, this kit didnt deliver the results I was looking for, and I wouldnt repurchase”

Advertised Vs Actual Product3%

“False advertising”

Ease Of Use3%

“hard to use as this is”

Moist/Dry3%

“Made my eyes dry”

Leak-Proof3%

“the oil was leaking in the bubble wrap”

Material Quality3%

“The bottle material isnt great”

Top return reasons

Leak-Proof27%
Size-Overall9%
Smell9%
Quality-Overall7%
Advertised Vs Actual Product7%
Functionality-Overall5%
Adhesion/Stickiness5%
Material Quality4%
Value For Money3%
Vegan/Organic3%

Common questions

Is castor oil for hair growth profitable to sell on Amazon United Kingdom?
The niche generates £25K/yr across 21 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -47.4%. Flapen's verdict: Skip it (38/100).
How competitive is the castor oil for hair growth niche?
14 brands and 64 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in castor oil for hair growth?
Top complaints mined from reviews: Thickness, Smell, Adhesion/Stickiness. The return rate is 0.2%.
When does demand for castor oil for hair growth peak?
Demand peaks in Jan–Feb; the busiest month runs 1.9× the quietest.
What does it cost to enter the castor oil for hair growth niche?
Listings span £3.34–£25.07; the average listing price is £7.98 (sweet spot $15–$100). The average incumbent carries 40,186 reviews — the moat a new listing must climb.