---
title: "epsom salt — £1.5M/yr Amazon United Kingdom Niche, Score 42/100 - Flapen"
canonical_url: "https://flapen.com/research/uk/beauty/epsom-salt"
last_updated: "2026-07-20T18:46:24.523Z"
locale: en
meta:
description: "brand-locked demand (top 5 brands take 100% of clicks) — epsom salt doesn't clear our bar today. Data updated Jul 2026."
"og:description": "brand-locked demand (top 5 brands take 100% of clicks) — epsom salt doesn't clear our bar today. Data updated Jul 2026."
"og:title": "epsom salt — £1.5M/yr Amazon United Kingdom Niche, Score 42/100 - Flapen"
---
# **epsom salt**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 86Growth 13Conversion 99Competition 8Returns 100Price range 32Avg price 22Brand share 0Review moat 24Quality gap 21
**Returns**
**Incredible****0.1%**
return rate — above 6% kills the launch gate
**Conversion**
**Incredible****18.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****£1.5M**
£1.5M/yr · 1.0M searches
**Price range**
**Okay****£2.38–£21.04**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Bad****4,966.75**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£7.79**
avg listing price — sweet spot $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-23.3%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****90%**
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, epsom salt is a £1.5M/yr Amazon United Kingdom market (1.0M searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **Market data**
- **Units sold / yr**
- **200K–250K**
- avg 10,000–12,500/product
- **Revenue / yr**
- **£1.6M–£1.9M**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **18.3%**
- **Avg BSR**
- **#6**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **165 days**
## **Competition**
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**31**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**90%**
Top 20: 100%
**Open market**
**0%**
- Westlab52% - The Intelligent Health37% - Hexeal6% - ELYSIUM SPA4% - MAC Marie & Adam's Collection your comfort is our ambition....2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.3% search growth over the last 90 days.
25K15KHoliday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/beauty/epsom-salt/trend)
## **Product shelf**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%£220K30%£440K45%£660K60%£880K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Westlab Epsom Salts 1kg - Soothe and Relax Muscles to Improve MSK Health & Comfort by Reducing Stiffness and Aching. Sports Recovery - Improved Performance.**Westlab**£2.38**4.8★6,415 rev](https://www.amazon.co.uk/dp/B003V9M2ZS) [2**The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 1kg Resealable Pouch**The Intelligent Health**£5.08**4.6★8,992 rev](https://www.amazon.co.uk/dp/B089Y5266T) [3**Help Soothe Tired Muscles While Relieving Tension & Supporting Muscle Health 100% Pure Mineral-Rich Salt**Westlab**£5.20**4.7★3,426 rev](https://www.amazon.co.uk/dp/B003VABZDM) [4**Hexeal Epsom Salt 10kg 10kg Bucket of Food Grade Magnesium Sulphate for Bathing Gardening & Household Use Suitable for Personal Care Soil Enrichment and More**Hexeal**£13.60**4.7★4,917 rev](https://www.amazon.co.uk/dp/B01CXIZ04M) [5**Pure Epsom Salts 10kg Total Body Therapy 100% Pure Premium Quality Magnesium Sulphate Traditional Bath Soak Fine 1.4mm Easily Dissolvable Grain Size Vegan Friendly by The Intelligent Health**The Intelligent Health**£21.04**4.7★1,154 rev](https://www.amazon.co.uk/dp/B088H98S99)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 450g Resealable Pouch**The Intelligent Health**£3.39**8,992 rev3y ago](https://www.amazon.co.uk/dp/B0CBVNR9QQ) [**Pure Epsom Salts | Magnesium Sulphate Bath Salt (5 kg (Pack of 1))**MAC Marie & Adam's Collection your comfort is our ambition....**£8.35**361 rev5y ago](https://www.amazon.co.uk/dp/B0D2PT3B5X) [**The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 1kg Resealable Pouch**The Intelligent Health**£5.08**8,992 rev6y ago](https://www.amazon.co.uk/dp/B089Y5266T) [**Pure Epsom Salts 10kg Total Body Therapy 100% Pure Premium Quality Magnesium Sulphate Traditional Bath Soak Fine 1.4mm Easily Dissolvable Grain Size Vegan Friendly by The Intelligent Health**The Intelligent Health**£21.04**1,154 rev6y ago](https://www.amazon.co.uk/dp/B088H98S99) [**Elysium Spa Natural Original Epsom Salts 1Kg**ELYSIUM SPA**£3.30**5,477 rev7y ago](https://www.amazon.co.uk/dp/B07H1TSNKZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 450g Resealable Pouch**The Intelligent Health**£3.39**4.6★**▲ 50%**](https://www.amazon.co.uk/dp/B0CBVNR9QQ) [**Westlab Epsom Salts 1kg - Soothe and Relax Muscles to Improve MSK Health & Comfort by Reducing Stiffness and Aching. Sports Recovery - Improved Performance.**Westlab**£2.38**4.8★**▲ 31%**](https://www.amazon.co.uk/dp/B003V9M2ZS) [**The Intelligent Health Magnesium Sulphate Bath Salts Soak Muscle Magnesium Epsom Salts for Bathing and Foot Soaking for Women & Men - 1kg Resealable Pouch**The Intelligent Health**£5.08**4.6★**— 1%**](https://www.amazon.co.uk/dp/B089Y5266T) [**Pure Epsom Salts 10kg Total Body Therapy 100% Pure Premium Quality Magnesium Sulphate Traditional Bath Soak Fine 1.4mm Easily Dissolvable Grain Size Vegan Friendly by The Intelligent Health**The Intelligent Health**£21.04**4.7★**— 10%**](https://www.amazon.co.uk/dp/B088H98S99) [**Hexeal Epsom Salt 10kg 10kg Bucket of Food Grade Magnesium Sulphate for Bathing Gardening & Household Use Suitable for Personal Care Soil Enrichment and More**Hexeal**£13.60**4.7★**▼ 26%**](https://www.amazon.co.uk/dp/B01CXIZ04M)
**~~View all trending →~~**
## **Reviews**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“Great product very pleased with purchase”*
**Value For Money**17%
*“Great Value”*
**Salt Content**14%
*“Great relaxing salts”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Muscle Pain Relief**5%
*“A good soak is great for aching muscles”*
**Soothing Effect**4%
*“It does help with easing pain”*
**Comfort-Overall**3%
*“Relax”*
**Soft Feel**2%
*“My feet are nice and soft”*
**Magnesium**2%
*“Good Magnesium”*
**Smell**2%
*“Lovely fresh scent”*
### **What buyers complain about **
**Salt Content**24%
*“Its Epsom salt”*
**Value For Money**9%
*“too expensive”*
**Quality-Overall**9%
*“Poor quality”*
**Pain Relief-Overall**7%
*“my feet ache so much”*
**Sleep Quality**5%
*“I was really to fall into a deep sleep”*
**Weight Heavy**4%
*“very heavy bag”*
**Color**4%
*“the crystals are off white like a dirty cream colour”*
**Taste-Overall**2%
*“Looks like glass crystals, tasteless & God knows what chemical they're selling instead of the salts”*
**Allergies**2%
*“Came up in a rash”*
**Smell**2%
*“No scent to them which I like”*
### **Top return reasons **
**Salt Content**43%
**Size-Overall**21%
**Ingredients-Overall**7%
**Magnesium**7%
**Language Issues**7%
**Stain Resistance**7%
**Leak-Proof**7%
## **Common questions**
- **Is epsom salt profitable to sell on Amazon United Kingdom?**
- The niche generates £1.5M/yr across 8 tracked products. 90-day search growth is -23.3%. Flapen's verdict: Skip it (42/100).
- **How competitive is the epsom salt niche?**
- 5 brands and 31 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in epsom salt?**
- Top complaints mined from reviews: Salt Content, Value For Money, Quality-Overall. The return rate is 0.1%.
- **When does demand for epsom salt peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the epsom salt niche?**
- Listings span £2.38–£21.04; the average listing price is £7.79 (sweet spot $15–$100). The average incumbent carries 4,967 reviews — the moat a new listing must climb.
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