Skip to content
42

leave in hair treatment

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 52Growth 23Conversion 63Competition 24Returns 96Price range 78Avg price 78Brand share 0Review moat 18Quality gap 28

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Great£16.10

avg listing price — sweet spot $15–$100

Price range

Great£8.07–£41.22

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

Conversion

Good5.6%

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

Market size

Good£327K

£327K/yr · 363K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad71%

top-5 click share — a locked-up shelf

Growth

Bad-3.3%

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

Review moat

Bad17,054.2

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, leave in hair treatment is a £327K/yr Amazon United Kingdom market (363K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

leave in hair treatment market data

Units sold / yr
15K–20K
avg 750–1,000/product
Revenue / yr
£242K–£322K
units × avg price
Conversion rate
5.6%
Avg BSR
#84
Page quality
0%
Prime
87%
Sponsored
73%
Out of stock
0.0%
Avg brand age
61 months
Avg seller age
149 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 flat

Sellers

91

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

0%

  • Matrix76%
  • REVLON PROFESSIONAL15%
  • Revlon7%
  • Gorgeous Shop2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.3% search growth over the last 90 days.
18K13KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Top leave in hair treatment search terms

  • matrix162K/yr
  • revlon83K/yr
  • matrix miracle creator 20 spray26K/yr
  • matrix hair products29K/yr
  • matrix heat protection spray9K/yr
  • matrix hair7K/yr
  • revlon hair8K/yr
  • leave in conditioner spray for curly hair6K/yr
  • conditioning spray for hair5K/yr
  • matrix miracle creator5K/yr
All search terms

Top leave in hair treatment 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%£33K20%£65K30%£98K40%£131K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about leave in hair treatment

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

What buyers love

Smell20%

“Smell is good”

Quality-Overall17%

“Excellent product”

Soft Feel11%

“My hair is soft”

Value For Money10%

“Good value for money”

Ease Of Use6%

“they are easy to take on”

Moist/Dry5%

“Good dryer”

Hair Styling4%

“Hair remains sleek”

Suitability Straight Hair3%

“Amazing all in one hair treatment”

Advertised Vs Actual Product2%

“As advertised”

Suitability Curly Hair2%

“Eliminates frizz”

What buyers complain about

Smell8%

“*the smell is totally different”

Weight Heavy7%

“It's quite bulky and heavy”

Quality-Overall7%

“Its good, not the best in the market though”

Value For Money6%

“Its expensive,”

Oily/Greasy6%

“Less is more though as too much product can leave my hair looking lank and greasy”

Durability6%

“The dryer broke within 5 months”

Moist/Dry4%

“Left my extensions Marty and feeling dry”

Heating4%

“Disappointing and I dont know why, as it wasnt like it was clogged with hair that couldve over heated”

Thickness3%

“Lotion too thick to use through spray need to change design”

Size-Overall3%

“Firstly i was surprised by the size of the brush head, quite big”

Top return reasons

Size-Overall23%
Functionality-Overall12%
Smell10%
Weight Heavy7%
Defective Material/Parts6%
Heating5%
Quality-Overall5%
Advertised Vs Actual Product4%
Hair Curling3%
Damage/Burn Hair3%

Common questions

Is leave in hair treatment profitable to sell on Amazon United Kingdom?
The niche generates £327K/yr across 15 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -3.3%. Flapen's verdict: Skip it (42/100).
How competitive is the leave in hair treatment niche?
4 brands and 91 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in leave in hair treatment?
Top complaints mined from reviews: Smell, Weight Heavy, Quality-Overall. The return rate is 0.8%.
When does demand for leave in hair treatment peak?
Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the leave in hair treatment niche?
Listings span £8.07–£41.22; the average listing price is £16.10 (sweet spot $15–$100). The average incumbent carries 17,054 reviews — the moat a new listing must climb.