---
title: "Thickening Shampoo — £104K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/thickening-shampoo"
last_updated: "2026-08-07T18:19:04.507Z"
locale: en
meta:
description: "Niche score 45/100 · £104K/yr market · 139K searches/yr · £10.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · £104K/yr market · 139K searches/yr · £10.26 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Thickening Shampoo — £104K/yr Amazon UK Niche (2026) - Flapen"
---
# **thickening shampoo**
**Skip it**
Soft demand (-8.5% this quarter) — this niche doesn't clear our bar today.
Market size 26Growth 21Conversion 76Competition 38Returns 100Price range 48Avg price 36Brand share 46Review moat 24Quality gap 52
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£2.75–£26.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****62%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****£10.26**
avg listing price — sweet spot $15–$100
**Market size**
**Okay****£104K**
£104K/yr · 139K searches
**Review moat**
**Bad****5,667.47**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-8.5%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, thickening shampoo is a £104K/yr Amazon United Kingdom market (139K searches/yr). The top 5 brands hold 77% of demand. Verdict: Skip it — 45/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **thickening shampoo market data**
- **Units sold / yr**
- **8K–10K**
- avg 250–500/product
- **Revenue / yr**
- **£82K–£103K**
- units × avg price
- **Conversion rate**
- **7.3%**
- **Avg BSR**
- **#100**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **79%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **59 months**
- **Avg seller age**
- **157 days**
## **Competition & brand share**
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**96**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**62%**
Top 20: 100%
**Open market**
**18%**
- OGX27% - John Frieda22% - WATERMANS16% - Pantene7% - KÉRASTASE6% - Plantur 395% - Open — no brand owns it (8 brands, 18%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.5% search growth over the last 90 days.
4K3KSpike '24Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/beauty/thickening-shampoo/trend)
## **Top thickening shampoo search terms**
- **hair thickening shampoo**73K/yr+3.5%5.3% conv. - **thickening shampoo**59K/yr-20.2%5.7% conv. - **hair thickening shampoo for women**7K/yr-23.7%4.8% conv. [**All search terms **](https://flapen.com/research/uk/beauty/thickening-shampoo/search-terms)
## **Top thickening shampoo 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%£10K20%£21K30%£31K40%£41K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**OGX Biotin and Collagen Volumising Hair Shampoo Thick and Full with Vitamin B7 Biotin and Collagen for Fine Hair Sulfate Free Surfactants 385ml**OGX**£3.38**4.4★24,613 rev](https://www.amazon.co.uk/dp/B00MXZJ362) [2**Watermans Grow Me Hair Growth Shampoo - Not just a Caffeine Shampoo we include Biotin Argan Oil Rosemary Niacinamide. Hair Thickening Treatment for Women & Men with progressed thinning.**WATERMANS**£11.11**4.2★15,029 rev](https://www.amazon.co.uk/dp/B00Q59B4UK) [3**John Frieda ProFiller+ Thickening Shampoo and Conditioner 500ml Duo Pack**John Frieda**£15.00**4.5★755 rev](https://www.amazon.co.uk/dp/B0CMXWYVWV) [4**John Frieda PROfiller+ Thickening Shampoo 250ml Fine Hair**John Frieda**£5.56**4.6★117 rev](https://www.amazon.co.uk/dp/B0GC7SYLJ8) [5**Pantene LiftNVolume Thickening Shampoo with Biotin Silicone Free 1L**Pantene**£5.81**4.6★3,127 rev](https://www.amazon.co.uk/dp/B0BKLF7FVF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dove scalp + hair therapy Density & Growth Shampoo hair care with Amino Complex Zinc and Biotin for up to 90% less hair fall 400 ml**Dove**£4.13**156 rev5mo ago](https://www.amazon.co.uk/dp/B0G3X3837T) [**Hair Growth Shampoo with Rosemary Oil & Ginger Thickening Formula for Thinning Hair Hair Loss Treatment for Men & Women Sulfate Free Natural Shampoo (300ml (Pack of 1))**Psalmonica**£16.85**84 rev6mo ago](https://www.amazon.co.uk/dp/B0GHGRXWS3) [**John Frieda PROfiller+ Thickening Shampoo 250ml Fine Hair**John Frieda**£5.56**117 rev6mo ago](https://www.amazon.co.uk/dp/B0GC7SYLJ8) [**John Frieda PROfiller+ Thickening Shampoo 75ml Travel Size**John Frieda**£2.75**87 rev6mo ago](https://www.amazon.co.uk/dp/B0GC6HF2XG) [**Biotin+ Caffeine Shampoo for Men & Women- Sulphate-Free DHT Blocker Thickening & Volumizing Hair Strengthens Fine & Thinning Hair- Biotin Shampoo with C+ Formula Hair Growth Shampoo 250ml/8.5 fl.oz**FIXXIE, fixxie**£7.59**45 rev8mo ago](https://www.amazon.co.uk/dp/B0G1732VC4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hair Growth Shampoo with Rosemary Oil & Ginger Thickening Formula for Thinning Hair Hair Loss Treatment for Men & Women Sulfate Free Natural Shampoo (300ml (Pack of 1))**Psalmonica**£16.85**5.0★**▲ 271%**](https://www.amazon.co.uk/dp/B0GHGRXWS3) [**Dove scalp + hair therapy Density & Growth Shampoo hair care with Amino Complex Zinc and Biotin for up to 90% less hair fall 400 ml**Dove**£4.13**4.6★**▲ 265%**](https://www.amazon.co.uk/dp/B0G3X3837T) [**John Frieda PROfiller+ Thickening Shampoo 250ml Fine Hair**John Frieda**£5.56**4.6★**▲ 170%**](https://www.amazon.co.uk/dp/B0GC7SYLJ8) [**Nioxin Scalp + Hair Thickening System 2 Kit - Hair Thickening System for Natural Hair with Progressed Thinning - Shampoo Conditioner & Scalp Treatment (150+150+40ml)**NIOXIN**£26.53**4.3★**▲ 151%**](https://www.amazon.co.uk/dp/B0DFCPY3M2) [**Biotin+ Caffeine Shampoo for Men & Women- Sulphate-Free DHT Blocker Thickening & Volumizing Hair Strengthens Fine & Thinning Hair- Biotin Shampoo with C+ Formula Hair Growth Shampoo 250ml/8.5 fl.oz**FIXXIE, fixxie**£7.59**4.0★**▲ 81%**](https://www.amazon.co.uk/dp/B0G1732VC4)
**~~View all trending →~~**
## **What buyers say about thickening shampoo**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**18%
*“smells beautiful”*
**Quality-Overall**16%
*“Nice quality bottle”*
**Hair Growth**12%
*“Less hair loss”*
**Value For Money**8%
*“Great value”*
**Soft Feel**7%
*“very soft”*
**Lather**4%
*“strong lather”*
**Thickness**4%
*“Really thickens hair”*
**Suitability Straight Hair**3%
*“Perfect for my hair”*
**Advertised Vs Actual Product**3%
*“Exactly what I ordered”*
**Hair Styling**3%
*“After using it, my hair looks naturally straight and manageable, so I dont even need to use a straightener”*
### **What buyers complain about **
**Value For Money**10%
*“So expensive”*
**Hair Related**9%
*“hair went full”*
**Moist/Dry**9%
*“makes it feel very dry”*
**Allergies**6%
*“this made my eyelids sore and very dry, disappointed”*
**Smell**5%
*“Smell is awful”*
**Functionality-Overall**4%
*“Doesn't work”*
**Suitability Short Hair**4%
*“does not thicken hair in the slightest”*
**Quality-Overall**4%
*“Terrible product”*
**Thickness**3%
*“doesn't seem to be making it thicker”*
**Size-Overall**2%
*“Not fit for purpose”*
### **Top return reasons **
**Leak-Proof**33%
**Advertised Vs Actual Product**8%
**Suitability Short Hair**7%
**Quality-Overall**7%
**Value For Money**5%
**Moist/Dry**5%
**Ingredients-Overall**4%
**Size-Overall**3%
**Functionality-Overall**3%
**Instructions/User Manual/Troubleshooting**3%
## **Common questions**
- **Is thickening shampoo profitable to sell on Amazon United Kingdom?**
- The niche generates £104K/yr across 19 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -8.5%. Flapen's verdict: Skip it (45/100).
- **How competitive is the thickening shampoo niche?**
- 14 brands and 96 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in thickening shampoo?**
- Top complaints mined from reviews: Value For Money, Hair Related, Moist/Dry. The return rate is 0.1%.
- **When does demand for thickening shampoo peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the thickening shampoo niche?**
- Listings span £2.75–£26.53; the average listing price is £10.26 (sweet spot $15–$100). The average incumbent carries 5,667 reviews — the moat a new listing must climb.
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