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39

blue black hair dye

Skip it

Prices mostly outside the sweet spot ($2.54–$11.17) — this niche doesn't clear our bar today.

Market size 12Growth 22Conversion 83Competition 20Returns 100Price range 0Avg price 19Brand share 32Review moat 23Quality gap 76

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great8.9%

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

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

Review moat

Bad7,890.42

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-5.5%

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

Competition

Bad76%

top-5 click share — a locked-up shelf

Avg price

Bad£6.99

avg listing price — sweet spot $15–$100

Market size

Bad£49K

£49K/yr · 79K searches

Price range

Bad£2.54–£11.17

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

According to Flapen's Amazon United Kingdom niche tracking, blue black hair dye is a £49K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 39/100.

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

blue black hair dye market data

Units sold / yr
8K–10K
avg 250–500/product
Revenue / yr
£56K–£70K
units × avg price
Conversion rate
8.9%
Avg BSR
#51
Page quality
0%
Prime
92%
Sponsored
75%
Out of stock
0.0%
Avg brand age
73 months
Avg seller age
166 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

82

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

10%

  • LIVE44%
  • L'Oreal Paris11%
  • Palette11%
  • L'ORÉAL10%
  • Clairol9%
  • Smart Beauty5%
  • Open — no brand owns it (4 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 75 weeks — -5.5% search growth over the last 90 days.
2K2KSpike '25Spike '26MarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.5×

Top blue black hair dye search terms

  • blue black hair dye59K/yr
  • black blue hair dye13K/yr
  • blue black hair dye permanent7K/yr
All search terms

Top blue black hair dye 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%10%£5K20%£10K30%£15K40%£19K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about blue black hair dye

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

What buyers love

Color26%

“Great colour”

Quality-Overall15%

“Definitely as good as the more expensive ones”

Coverage9%

“Good coverage”

Soft Feel8%

“It feels healthy and soft and so shiny”

Ease Of Application6%

“the application of this really stands out”

Value For Money6%

“it was just a great affordable price”

Ease Of Use5%

“Easy to use”

Smell4%

“There is a sweet smell from the developing cream”

Instructions/User Manual/Troubleshooting3%

“The instructions are clear”

Advertised Vs Actual Product3%

“As described”

What buyers complain about

Color26%

“I found the colour had faded”

Functionality-Overall7%

“Doesn't work”

Suitability Colored Hair5%

“Absolutely appalled by this hair dye”

Hair Related5%

“it hasn't changed the colour of my hair at all”

Smell4%

“Smells awful”

Quality-Overall4%

“rubbish”

Suitability Long Hair4%

“Leave it on longer than it says I left on for 1.30 hrs anyway queens dye your hair”

Instructions/User Manual/Troubleshooting4%

“Bad instructions”

Advertised Vs Actual Product2%

“false marketing”

Value For Money2%

“Too expensive”

Common questions

Is blue black hair dye profitable to sell on Amazon United Kingdom?
The niche generates £49K/yr across 12 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -5.5%. Flapen's verdict: Skip it (39/100).
How competitive is the blue black hair dye niche?
10 brands and 82 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in blue black hair dye?
Top complaints mined from reviews: Color, Functionality-Overall, Suitability Colored Hair. The return rate is 0.0%.
When does demand for blue black hair dye peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the blue black hair dye niche?
Listings span £2.54–£11.17; the average listing price is £6.99 (sweet spot $15–$100). The average incumbent carries 7,890 reviews — the moat a new listing must climb.