---
title: "Hair Growth Serum — £44K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/hair-growth-serum"
last_updated: "2026-08-05T22:34:00.092Z"
locale: en
meta:
description: "Niche score 35/100 · £44K/yr market · 48K searches/yr · £12.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · £44K/yr market · 48K searches/yr · £12.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Hair Growth Serum — £44K/yr Amazon UK Niche (2026) - Flapen"
---
# **hair growth serum**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 11Growth 13Conversion 77Competition 10Returns 98Price range 53Avg price 55Brand share 0Review moat 23Quality gap 63
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.4%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£12.56**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£5.97–£25.04**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Bad****8,005**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-23.8%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£44K**
£44K/yr · 48K searches
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, hair growth serum is a £44K/yr Amazon United Kingdom market (48K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 35/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hair growth serum market data**
- **Units sold / yr**
- **3K–4K**
- avg 250–500/product
- **Revenue / yr**
- **£38K–£50K**
- units × avg price
- **Conversion rate**
- **7.4%**
- **Avg BSR**
- **#216**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **150 days**
## **Competition & brand share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**34**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**0%**
- Forest & Shore57% - Difeel31% - Angozo4% - Chrisxpearl4% - Botanic Hearth4% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.8% search growth over the last 90 days.
6K4KSpike '24Spike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/uk/beauty/hair-growth-serum/trend)
## **Top hair growth serum search terms**
- **forest and shore hair growth oil**8K/yr-15.5%12.8% conv. - **biotin oil**6K/yr-7.3%6.1% conv. - **natural hair growth oil**7K/yr-29.7%0.4% conv. - **biotin hair oil**3K/yr-14.8%4.3% conv. - **biotin oil for hair growth**4K/yr-39.6%3.0% conv. - **veganic hair growth oil**2K/yr+161.7%4.5% conv. - **forest and shore**2K/yr+8.5%8.4% conv. - **biotin hair growth oil**5K/yr-47.5%3.1% conv. - **biotin hair growth serum**3K/yr-36.0%2.4% conv. - **essynaturals hair growth oil**2K/yr-42.1%1.0% conv. [**All search terms **](https://flapen.com/research/uk/beauty/hair-growth-serum/search-terms)
## **Top hair growth serum 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%15%£7K30%£13K45%£20K60%£27K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hair Growth Oil 100% Natural Hair Oil with Caffeine Biotin Castor Oil Argan Oil Coconut Oil and Rosemary Oil Effective Thickening Mask & Hair Loss Treatment**Forest & Shore**£18.87**4.4★11,351 rev](https://www.amazon.co.uk/dp/B09B36479R) [2**Difeel Premium Biotin Hair Oil 210 ml**Difeel**£8.06**4.4★6,030 rev](https://www.amazon.co.uk/dp/B07ZDKMZR2) [3**Difeel Biotin Root Stimulator 2.5 oz. - Follicle Stimulator for Hair Growth**Difeel**£5.97**4.1★1,240 rev](https://www.amazon.co.uk/dp/B0932DM51Q) [4**Hair Oil 100% Natural Certified Organic Hallelujah Hair Oil Treatment and Protection - Moisturising And Repairing For Dry Damaged Hair Promotes Healthy Hair Growth With Silky Shiny Smooth Results**Forest & Shore**£16.62**4.4★11,351 rev](https://www.amazon.co.uk/dp/B06ZZ3G8VT) [5**Veganic Hair Oil 100% Natural Growth With Caffeine Biotin Coconut Macadamia Rosemary and Castor for Growth Thickening Hair Mask & Loss Treatment 60ml**Angozo**£6.91**4.1★199 rev](https://www.amazon.co.uk/dp/B0D979T173)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2PC Vegan Hair Growth Oil Natural Hair Growth Serum for Thickening Mask & Hair Loss Treatment Hair Oil for Dry Damaged Hair with Caffeine Castor Oil Argan Oil Coconut Oil Rosemary Oil**Chrisxpearl**£8.66**0 rev7mo ago](https://www.amazon.co.uk/dp/B0G4W1W4R5) [**Forest & Shore Hair Growth Shampoo and Conditioner Set 98% Natural Ingredients with Rosemary Biotin Caffeine Biacapil and Lavender - Sulphate Free Hair Thickening Shampoo for Women & Men**Forest & Shore**£25.04**27 rev9mo ago](https://www.amazon.co.uk/dp/B0FTGK36CJ) [**Botanic Hearth Rosemary Hair Oil 6.7 Fl Oz (198 ml) | Hair Growth Oil for Thicker Hair Scalp Treatment for Hair Loss Dry & Frizzy Hair Repair Deep Nourishing Oil for All Hair Types**Botanic Hearth**£10.37**33,842 rev2y ago](https://www.amazon.co.uk/dp/B0C6XJMSGP) [**Veganic Hair Oil 100% Natural Growth With Caffeine Biotin Coconut Macadamia Rosemary and Castor for Growth Thickening Hair Mask & Loss Treatment 60ml**Angozo**£6.91**199 rev2y ago](https://www.amazon.co.uk/dp/B0D979T173) [**Hair Growth Oil 100% Natural Hair Oil with Caffeine Biotin Castor Oil Argan Oil Coconut Oil and Rosemary Oil Effective Thickening Mask & Hair Loss Treatment**Forest & Shore**£18.87**11,351 rev4y ago](https://www.amazon.co.uk/dp/B09B36479R)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**2PC Vegan Hair Growth Oil Natural Hair Growth Serum for Thickening Mask & Hair Loss Treatment Hair Oil for Dry Damaged Hair with Caffeine Castor Oil Argan Oil Coconut Oil Rosemary Oil**Chrisxpearl**£8.66**0.0★**▲ 375%**](https://www.amazon.co.uk/dp/B0G4W1W4R5) [**Forest & Shore Hair Growth Shampoo and Conditioner Set 98% Natural Ingredients with Rosemary Biotin Caffeine Biacapil and Lavender - Sulphate Free Hair Thickening Shampoo for Women & Men**Forest & Shore**£25.04**4.8★**▲ 356%**](https://www.amazon.co.uk/dp/B0FTGK36CJ) [**Hair Oil 100% Natural Certified Organic Hallelujah Hair Oil Treatment and Protection - Moisturising And Repairing For Dry Damaged Hair Promotes Healthy Hair Growth With Silky Shiny Smooth Results**Forest & Shore**£16.62**4.4★**▲ 20%**](https://www.amazon.co.uk/dp/B06ZZ3G8VT) [**Difeel Biotin Root Stimulator 2.5 oz. - Follicle Stimulator for Hair Growth**Difeel**£5.97**4.1★**— 1%**](https://www.amazon.co.uk/dp/B0932DM51Q) [**Difeel Premium Biotin Hair Oil 210 ml**Difeel**£8.06**4.4★**— 1%**](https://www.amazon.co.uk/dp/B07ZDKMZR2)
**~~View all trending →~~**
## **What buyers say about hair growth serum**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**27%
*“It smells divine”*
**Hair Growth**11%
*“Perfect for people wanting better hair growth”*
**Quality-Overall**10%
*“Good product, arrived on time”*
**Soft Feel**8%
*“my hair feels a lot softer”*
**Value For Money**5%
*“Worth the price”*
**Oily/Greasy**5%
*“Love love love this combo oil”*
**Moist/Dry**4%
*“Hair so soft and hydrated”*
**Brightness/Shine/Glow**3%
*“healthy-looking shine”*
**Texture/Consistency-Overall**3%
*“is of a very good consistency”*
**Suitability Oily Skin**2%
*“this oil is a perfect addition for my hair routine”*
### **What buyers complain about **
**Oily/Greasy**14%
*“This product was extremely oily”*
**Hair Related**8%
*“I did notice a bit more hair fall than usual”*
**Functionality-Overall**6%
*“This item doesn't work for me”*
**Thickness**5%
*“although hers is much thicker than mine”*
**Smell**4%
*“the first thing you notice is the scent”*
**Value For Money**4%
*“expensive”*
**Allergies**3%
*“I also struggle with an itchy scalp”*
**Leak-Proof**3%
*“The bottle was also leaking”*
**Moist/Dry**2%
*“My hair usually gets really dry, frizzy and breaks easily,”*
**Suitability Short Hair**2%
*“unfortunately I lost a lot of hair around that area”*
### **Top return reasons **
**Oily/Greasy**16%
**Leak-Proof**16%
**Defective Material/Parts**11%
**Functionality-Overall**11%
**Smell**9%
**Advertised Vs Actual Product**7%
**Dilute/Watery**5%
**Damage/Burn Hair**4%
**Suitability Short Hair**4%
**Value For Money**4%
## **Common questions**
- **Is hair growth serum profitable to sell on Amazon United Kingdom?**
- The niche generates £44K/yr across 8 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -23.8%. Flapen's verdict: Skip it (35/100).
- **How competitive is the hair growth serum niche?**
- 5 brands and 34 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in hair growth serum?**
- Top complaints mined from reviews: Oily/Greasy, Hair Related, Functionality-Overall. The return rate is 0.4%.
- **When does demand for hair growth serum peak?**
- Demand peaks in Mar–Apr; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the hair growth serum niche?**
- Listings span £5.97–£25.04; the average listing price is £12.56 (sweet spot $15–$100). The average incumbent carries 8,005 reviews — the moat a new listing must climb.
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