---
title: "Keratin Hair Treatment — £552K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/keratin-hair-treatment"
last_updated: "2026-08-09T18:49:42.705Z"
locale: en
meta:
description: "Niche score 59/100 · £552K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · £552K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Keratin Hair Treatment — £552K/yr Amazon UK Niche (2026) - Flapen"
---
# **keratin hair treatment**
**Worth a look**
Shows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 62Growth 27Conversion 54Competition 48Returns 99Price range 85Avg price 95Brand share 39Review moat 38Quality gap 83
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****£25.18**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£3.77–£91.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****£552K**
£552K/yr · 491K searches
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,712.43**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+1.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, keratin hair treatment is a £552K/yr Amazon United Kingdom market (491K searches/yr). The top 5 brands hold 82% of demand. Verdict: Worth a look — 59/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **keratin hair treatment market data**
- **Units sold / yr**
- **20K–25K**
- avg 500–750/product
- **Revenue / yr**
- **£504K–£630K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#164**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **81%**
- **Out of stock**
- **4.0%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **148 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**66**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 99%
**Open market**
**15%**
- COCOCHOCO27% - Searching Plants Brazilian Straight23% - KATIVA18% - Kallos7% - NYK16% - Cocochoco Professional4% - Open — no brand owns it (9 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +1.9% search growth over the last 90 days.
15K10KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/beauty/keratin-hair-treatment/trend)
## **Top keratin hair treatment search terms**
- **keratin hair treatment**213K/yr+2.6%2.8% conv. - **keratin treatment**43K/yr-6.3%2.0% conv. - **keratin**40K/yr-4.8%1.6% conv. - **cocochoco keratin treatment**39K/yr-1.3%8.4% conv. - **brazilian keratin treatment kit**33K/yr-10.6%4.3% conv. - **cocochoco**20K/yr+1.3%4.5% conv. - **keratin straightening treatment**16K/yr+13.8%2.8% conv. - **kativa brazilian straightening kit**11K/yr+45.2%6.5% conv. - **hair keratin treatment**10K/yr+14.4%2.0% conv. - **hair straightening treatment**9K/yr+2.2%2.0% conv. [**All search terms **](https://flapen.com/research/uk/beauty/keratin-hair-treatment/search-terms)
## **Top keratin 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%5%£28K10%£55K15%£83K20%£110K101001K10K100K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**SALON QUALITY KERATIN WITH PROFESSIONAL RESULTS. Brazilian Straight Purple Treatment Kit 1-3 APPLICATIONS Hair Straightening/Blow Dry/Smoothing/Home Use/Frizz Free**Searching Plants Brazilian Straight**£24.09**4.1★3,258 rev](https://www.amazon.co.uk/dp/B01N3AMMX5) [2**COCOCHOCO Gold 24k Keratin hair Treatment F100ml**COCOCHOCO**£14.44**4.3★291 rev](https://www.amazon.co.uk/dp/B09WTSDMQV) [3**KATIVA Brazilian Straightening Kit**KATIVA**£10.72**4.1★1,119 rev](https://www.amazon.co.uk/dp/B083SLQX36) [4**Kallos Cosmetics KJMN Keratin Hair Mask for Dry Damaged and Chemically Treated Hair Nourishes and Helps Rebuild Natural Structure Enhances Shine and Texture with Milk Protein 1L**Kallos**£7.57**4.3★14,973 rev](https://www.amazon.co.uk/dp/B00OM9CR9M) [5**NYK1 StraightBond Keratin Hair Treatment Kit (with Aftercare Set) Genuine Brazilian Keratin Treatment Kit For Straight Frizz-Free Smooth Humid Resistant Hair Lasting 4 months - Formaldehyde-Free**NYK1**£38.91**4.1★69 rev](https://www.amazon.co.uk/dp/B0D2M69PW6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Karseell Maca Essence Keratin Hair Straightening Kit 12 Weeks of Home Use Professional Straightening Straighten and Smooth Hair All Hair Types**Karseell**£23.89**73 rev1y ago](https://www.amazon.co.uk/dp/B0DLNCP7DZ) [**NYK1 StraightBond Keratin Hair Treatment Kit (with Aftercare Set) Genuine Brazilian Keratin Treatment Kit For Straight Frizz-Free Smooth Humid Resistant Hair Lasting 4 months - Formaldehyde-Free**NYK1**£38.91**69 rev1y ago](https://www.amazon.co.uk/dp/B0D2M69PW6) [**Real BRAZILIAN STRAIGHT Keratin Straightening Treatment Kit Pro Result Keratin Protein Arganoil Collagen Amino Acid Straight shiny Hair Salon Results Lasts 3-9 months (STANDARD KIT)**BRAZILIAN STRAIGHT**£33.79**206 rev2y ago](https://www.amazon.co.uk/dp/B0C6V65Z5P) [**Kérastase Nutritive Nourishing Hair Serum with Niacinamide Overnight Leave-In Treatment for Dry Hair Lightweight and Non-Greasy 8H Magic Night Serum 90 ml**KÉRASTASE**£29.55**7,865 rev3y ago](https://www.amazon.co.uk/dp/B0BZZJWGPQ) [**Brazilian Keratin Kativa Straightening Treatment at Home with Hyaluronic Acid and Premium Serum**KATIVA**£11.03**1,216 rev3y ago](https://www.amazon.co.uk/dp/B0BS1Q47QW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Moroccan Keratin FORMALDEHYDE-FREE Most Effective Brazilian Keratin Hair Blowout Straightening Smoothing Hair Treatment**MOROCCAN KERATIN**£24.33**4.1★**▲ 120%**](https://www.amazon.co.uk/dp/B077RMBQLY) [**Brazilian Keratin Kativa Straightening Treatment at Home with Hyaluronic Acid and Premium Serum**KATIVA**£11.03**4.1★**▲ 100%**](https://www.amazon.co.uk/dp/B0BS1Q47QW) [**NYK1 StraightBond Keratin Hair Treatment Kit (with Aftercare Set) Genuine Brazilian Keratin Treatment Kit For Straight Frizz-Free Smooth Humid Resistant Hair Lasting 4 months - Formaldehyde-Free**NYK1**£38.91**4.1★**▲ 99%**](https://www.amazon.co.uk/dp/B0D2M69PW6) [**Kérastase Nutritive Nourishing Hair Serum with Niacinamide Overnight Leave-In Treatment for Dry Hair Lightweight and Non-Greasy 8H Magic Night Serum 90 ml**KÉRASTASE**£29.55**4.6★**▲ 76%**](https://www.amazon.co.uk/dp/B0BZZJWGPQ) [**KATIVA Brazilian Straightening Kit**KATIVA**£10.72**4.1★**▲ 44%**](https://www.amazon.co.uk/dp/B083SLQX36)
**~~View all trending →~~**
## **What buyers say about keratin hair treatment**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Excellent product with best results”*
**Soft Feel**11%
*“Hair feels soft”*
**Value For Money**10%
*“saved myself the money”*
**Ease Of Use**6%
*“EASY to use”*
**Smell**5%
*“And, as an added bonus, it smells delightful”*
**Hair Styling**5%
*“Really loving this my hair already feels in much better condition”*
**Advertised Vs Actual Product**5%
*“Just what I needed”*
**Hair Growth**4%
*“Really helped my hair”*
**Moist/Dry**3%
*“very moisturising”*
**Ease Of Application**3%
*“Am super impressed with the whole application”*
### **What buyers complain about **
**Functionality-Overall**11%
*“barely worked”*
**Hair Related**8%
*“Freeze, damage hair”*
**Smell**7%
*“The smell was completely intolerable for me”*
**Value For Money**6%
*“waste of money”*
**Moist/Dry**4%
*“it feels strange and dry”*
**Damage/Burn Hair**4%
*“Ruined my hair”*
**Suitability Straight Hair**4%
*“It doesnt straight my hair”*
**Instructions/User Manual/Troubleshooting**4%
*“Not clear instructions”*
**Ease Of Use**3%
*“It was very hard to manage”*
**Quality-Overall**2%
*“Poor”*
### **Top return reasons **
**Functionality-Overall**14%
**Damage/Burn Hair**13%
**Suitability Short Hair**9%
**Advertised Vs Actual Product**8%
**Value For Money**8%
**Hair Related**5%
**Size-Overall**5%
**Product Condition**5%
**Quality-Overall**5%
**Oily/Greasy**4%
## **Common questions**
- **Is keratin hair treatment profitable to sell on Amazon United Kingdom?**
- The niche generates £552K/yr across 21 tracked products. 90-day search growth is +1.9%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the keratin hair treatment niche?**
- 15 brands and 66 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in keratin hair treatment?**
- Top complaints mined from reviews: Functionality-Overall, Hair Related, Smell. The return rate is 0.2%.
- **When does demand for keratin hair treatment peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the keratin hair treatment niche?**
- Listings span £3.77–£91.64; the average listing price is £25.18 (sweet spot $15–$100). The average incumbent carries 2,712 reviews — the moat a new listing must climb.
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