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51

sebastian dark oil

Worth a look

Shows low returns (0.2%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 28Growth 24Conversion 64Competition 69Returns 99Price range 89Avg price 89Brand share 0Review moat 72Quality gap 43

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Avg price

Great£20.68

avg listing price — sweet spot $15–$100

Price range

Great£11.74–£58.85

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

Review moat

Good624.06

avg incumbent reviews — the moat a new listing must climb

Competition

Good43%

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

Conversion

Good5.7%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay£118K

£118K/yr · 100K searches

Growth

Bad-1.5%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, sebastian dark oil is a £118K/yr Amazon United Kingdom market (100K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Worth a look — 51/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

sebastian dark oil market data

Units sold / yr
6K–8K
avg 250–500/product
Revenue / yr
£124K–£165K
units × avg price
Conversion rate
5.7%
Avg BSR
#367
Page quality
0%
Prime
97%
Sponsored
52%
Out of stock
8.8%
Avg brand age
65 months
Avg seller age
156 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

2 falling

Sellers

35

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

43%

Top 20: 87%

Open market

0%

  • SEBASTIAN98%
  • Sebastian Professional2%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 76 weeks — -1.5% search growth over the last 90 days.
4K3KSpike '25Prime Day '25Black Friday '25Spike '26FebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 2.1×

Top sebastian dark oil search terms

  • sebastian dark oil31K/yr
  • sebastian shampoo15K/yr
  • sebastian22K/yr
  • sebastian hair product19K/yr
  • sebastian shampoo and conditioner6K/yr
  • sebastian dark oil shampoo7K/yr
All search terms

Top sebastian dark 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.

0%5%£6K10%£12K15%£18K20%£24K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about sebastian dark oil

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

What buyers love

Smell24%

“Hair looks and smells amazing”

Quality-Overall20%

“Great quality shampoo”

Soft Feel7%

“My hair feels softer”

Brightness/Shine/Glow6%

“Soooo shine”

Moist/Dry4%

“Has definitely helped add moisture to her hair and smells lovely”

Lather4%

“Having used it four a couple of weeks I can say it lathers and cleans well”

Hair Growth4%

“really happy with the outcome of my hair”

Cleansing3%

“It cleans well”

Suitability Curly Hair3%

“Amazing product, keeps my curly hair frizz free and manageable inbetween shampoo's”

Hair Styling2%

“Adds shine and protection against heat damage through styling”

What buyers complain about

Value For Money17%

“Expensive”

Smell5%

“I honestly think that detergent has been added to the shampoo by someone as it smells disgusting”

Size-Overall5%

“it is big”

Oily/Greasy4%

“greasy as oil”

Hair Related4%

“Even a small amount leaves my hair looking heavy, oily, and unclean instead of fresh”

Damage/Burn Hair3%

“Bleach damaged hair”

Moist/Dry2%

“not hydrating for an oil shampoo”

Protection2%

“I would have hoped this would be protected with sealed packaging”

Alcohol Content2%

“it'd have been better if it was less alcoholic”

Quality-Overall2%

“Awful product and over priced”

Top return reasons

Advertised Vs Actual Product20%
Smell20%
Dilute/Watery10%
Brightness/Shine/Glow10%
Ingredients-Overall10%
Suitability Short Hair10%
Value For Money10%
Oily/Greasy10%

Common questions

Is sebastian dark oil profitable to sell on Amazon United Kingdom?
The niche generates £118K/yr across 31 tracked products. 1 of 14 products launched in the last 360 days are still selling. 90-day search growth is -1.5%. Flapen's verdict: Worth a look (51/100).
How competitive is the sebastian dark oil niche?
2 brands and 35 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in sebastian dark oil?
Top complaints mined from reviews: Value For Money, Smell, Size-Overall. The return rate is 0.2%.
When does demand for sebastian dark oil peak?
Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 2.1× the quietest.
What does it cost to enter the sebastian dark oil niche?
Listings span £11.74–£58.85; the average listing price is £20.68 (sweet spot $15–$100). The average incumbent carries 624 reviews — the moat a new listing must climb.