---
title: "Leave in Hair Treatment — £327K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/leave-in-hair-treatment"
last_updated: "2026-08-09T19:41:27.316Z"
locale: en
meta:
description: "Niche score 42/100 · £327K/yr market · 363K searches/yr · £16.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · £327K/yr market · 363K searches/yr · £16.10 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Leave in Hair Treatment — £327K/yr Amazon UK Niche (2026) - Flapen"
---
# **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**
**Incredible****0.8%**
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**
**Good****5.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****£327K**
£327K/yr · 363K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-3.3%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****17,054.2**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/uk/beauty/leave-in-hair-treatment/trend)
## **Top leave in hair treatment search terms**
- **matrix**162K/yr+1.1%1.7% conv. - **revlon**83K/yr-18.6%2.9% conv. - **matrix miracle creator 20 spray**26K/yr+18.8%15.1% conv. - **matrix hair products**29K/yr-10.1%2.8% conv. - **matrix heat protection spray**9K/yr-22.1%8.5% conv. - **matrix hair**7K/yr+0.6%2.8% conv. - **revlon hair**8K/yr-20.8%4.8% conv. - **leave in conditioner spray for curly hair**6K/yr-9.9%0.1% conv. - **conditioning spray for hair**5K/yr+6.3%2.4% conv. - **matrix miracle creator**5K/yr+13.4%13.4% conv. [**All search terms **](https://flapen.com/research/uk/beauty/leave-in-hair-treatment/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Matrix Miracle Creator 20-in-1 Multi-Benefit Leave-In Treatment Spray Heat Protection up to 230C and Detangler 190ml For All Hair Types and Textures**Matrix**£10.06**4.6★21,676 rev](https://www.amazon.co.uk/dp/B0143LPT4S) [2**Matrix Miracle Creator 20-in-1 Multi-Benefit Leave-In Treatment Spray Heat Protection up to 230C and Detangler 100ml For All Hair Types and Textures**Matrix**£8.25**4.4★248 rev](https://www.amazon.co.uk/dp/B0F9M41M7B) [3**REVLON PROFESSIONAL Uniqone Hair Treatment Moisturizing Leave-in Hair Treatment Repair for Damaged Hair Hair Treatment Classic Fragrance 150 ml**REVLON PROFESSIONAL**£8.07**4.7★104,181 rev](https://www.amazon.co.uk/dp/B00M9B66BU) [4**Matrix DUO Food For Soft Hydrating Shampoo with Avocado Oil and Hyaluronic Acid for dry hair 300ml & Food For Soft Detangling Conditioner with Avocado oil and Hyaluronic Acid for dry hair 300ml**Matrix**£18.30**4.7★285 rev](https://www.amazon.co.uk/dp/B0CFVY4PWS) [5**Matrix Food For Soft Multi-Use Hair Oil Serum With Avocado Oil And Hyaluronic Acid Heat Protection Up To 230C For Dry Brittle And Porous Hair 50ml**Matrix**£12.32**4.6★1,056 rev](https://www.amazon.co.uk/dp/B0BZZT7SBG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Matrix Miracle Creator 20-in-1 Multi-Benefit Leave-In Treatment Spray Heat Protection up to 230C and Detangler 100ml For All Hair Types and Textures**Matrix**£8.25**248 rev11mo ago](https://www.amazon.co.uk/dp/B0F9M41M7B) [**Matrix Instacure Build-A-Bond Mighty Bonds Shampoo 300ml & Instacure Build-A-Bond Mighty Care Conditioner 300ml Duo**Gorgeous Shop**£17.54**55 rev1y ago](https://www.amazon.co.uk/dp/B0DJMP68PB) [**REVLON One-StepTM Blow-Dry Multi Air Styler 5-in-1 (Detachable Heads Curler Dryer Volumiser Styler and Shape Enhancer). RVDR5370**Revlon**£41.22**491 rev2y ago](https://www.amazon.co.uk/dp/B0D98NBRXS) [**Revlon Salon One-Step Hair Dryer & Volumiser with Sectioning Comb Included (for mid to Long Hair One-Step Technology 2-in-1 Styling Tool Ionic & Ceramic Technology) RVDR5222UKAMZ**Revlon**£26.60**1,170 rev2y ago](https://www.amazon.co.uk/dp/B0D98N6SD9) [**Matrix DUO Food For Soft Hydrating Shampoo with Avocado Oil and Hyaluronic Acid for dry hair 300ml & Food For Soft Detangling Conditioner with Avocado oil and Hyaluronic Acid for dry hair 300ml**Matrix**£18.30**285 rev2y ago](https://www.amazon.co.uk/dp/B0CFVY4PWS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Matrix Instacure Build-A-Bond Mighty Bonds Shampoo 300ml & Instacure Build-A-Bond Mighty Care Conditioner 300ml Duo**Gorgeous Shop**£17.54**4.6★**▲ 58%**](https://www.amazon.co.uk/dp/B0DJMP68PB) [**Matrix Miracle Creator 20-in-1 Multi-Benefit Leave-In Treatment Spray Heat Protection up to 230C and Detangler 100ml For All Hair Types and Textures**Matrix**£8.25**4.4★**▲ 34%**](https://www.amazon.co.uk/dp/B0F9M41M7B) [**Matrix Food For Soft Hydrating Shampoo Intense Moisture and Frizz Control with Avocado Oil and Hyaluronic Acid 300ml For Dry Porous and Brittle Hair**Matrix**£9.92**4.6★**▲ 32%**](https://www.amazon.co.uk/dp/B0BZZTZMRX) [**REVLON PROFESSIONAL UNIQONE COCO HAIR TREATMENT Leave-In Hair Treatment Hair Treatment Coconut Fragrance 150 ml**REVLON PROFESSIONAL**£8.52**4.7★**▲ 22%**](https://www.amazon.co.uk/dp/B01BLEIR30) [**Matrix Food For Soft Detangling Hydrating Conditioner Intense Moisture with Avocado Oil and Hyaluronic Acid 300ml For Dry Porous and Brittle Hair**Matrix**£9.15**4.6★**▲ 20%**](https://www.amazon.co.uk/dp/B0BZZQYGXJ)
**~~View all trending →~~**
## **What buyers say about leave in hair treatment**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**20%
*“Smell is good”*
**Quality-Overall**17%
*“Excellent product”*
**Soft Feel**11%
*“My hair is soft”*
**Value For Money**10%
*“Good value for money”*
**Ease Of Use**6%
*“they are easy to take on”*
**Moist/Dry**5%
*“Good dryer”*
**Hair Styling**4%
*“Hair remains sleek”*
**Suitability Straight Hair**3%
*“Amazing all in one hair treatment”*
**Advertised Vs Actual Product**2%
*“As advertised”*
**Suitability Curly Hair**2%
*“Eliminates frizz”*
### **What buyers complain about **
**Smell**8%
*“*the smell is totally different”*
**Weight Heavy**7%
*“It's quite bulky and heavy”*
**Quality-Overall**7%
*“Its good, not the best in the market though”*
**Value For Money**6%
*“Its expensive,”*
**Oily/Greasy**6%
*“Less is more though as too much product can leave my hair looking lank and greasy”*
**Durability**6%
*“The dryer broke within 5 months”*
**Moist/Dry**4%
*“Left my extensions Marty and feeling dry”*
**Heating**4%
*“Disappointing and I dont know why, as it wasnt like it was clogged with hair that couldve over heated”*
**Thickness**3%
*“Lotion too thick to use through spray need to change design”*
**Size-Overall**3%
*“Firstly i was surprised by the size of the brush head, quite big”*
### **Top return reasons **
**Size-Overall**23%
**Functionality-Overall**12%
**Smell**10%
**Weight Heavy**7%
**Defective Material/Parts**6%
**Heating**5%
**Quality-Overall**5%
**Advertised Vs Actual Product**4%
**Hair Curling**3%
**Damage/Burn Hair**3%
## **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.
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