---
title: "Epsom Salt Bath Bomb — $39K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/epsom-salt-bath-bomb"
last_updated: "2026-08-11T03:47:35.636Z"
locale: en
meta:
description: "Niche score 47/100 · $39K/yr market · 26K searches/yr · $19.54 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $39K/yr market · 26K searches/yr · $19.54 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Epsom Salt Bath Bomb — $39K/yr Amazon US Niche (2026) - Flapen"
---
# **epsom salt bath bomb**
**Skip it**
Soft demand (-32.4% this quarter) — this niche doesn't clear our bar today.
Market size 10Growth 9Conversion 77Competition 52Returns 99Price range 77Avg price 86Brand share 60Review moat 26Quality gap 30
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$19.54**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****7.5%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$2.83–$56.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****3,904.67**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$39K**
$39K/yr · 26K searches
**Growth**
**Bad****-32.4%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, epsom salt bath bomb is a $39K/yr Amazon United States market (26K searches/yr). The top 5 brands hold 69% of demand. Verdict: Skip it — 47/100.
Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **epsom salt bath bomb market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **$29K–$39K**
- units × avg price
- **Conversion rate**
- **7.5%**
- **Avg BSR**
- **#196**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **3.0%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **144 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**15 **▼falling
**Sellers**
**561**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 93%
**Open market**
**25%**
- Romancy20% - Muscle Rehab19% - STiiMPAK14% - Dr Teal's9% - New Miuz8% - EPSOM-IT6%
## **Demand**
Weekly Amazon search volume, last 22 weeks — -32.4% search growth over the last 90 days.
500300Spike '26Feb '26Mar '26Mar '26Apr '26May '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/epsom-salt-bath-bomb/trend)
## **Top epsom salt bath bomb search terms**
- **epsom salt bath bomb**12K/yr-48.8%6.2% conv. - **magnesium bath bombs**8K/yr-21.5%4.7% conv. - **epsom salt bath bombs**4K/yr+4.3%7.4% conv. - **epson salt bath bombs**3K/yr-27.5%7.0% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/epsom-salt-bath-bomb/search-terms)
## **Top epsom salt bath bomb 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%4%$2K8%$3K12%$5K16%$6K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Muscle Rehab Epsom Salt Bath Bombs - Magnesium Recovery Soak 4 Pack**Muscle Rehab**$19.24**4.6★714 rev](https://www.amazon.com/dp/B07B9JZ6WW) [2**Magnesium & Epsom Salt Natural Mineral Bath Bombs | XL 180g | Skin Care & Muscle Relief Bath Soak Inspired by the Worlds Healing Hot Springs | Dye & Fragrance Free | GeoBath (7 Pack)**STiiMPAK**$37.15**4.8★40 rev](https://www.amazon.com/dp/B0G3CG3NXZ) [3**Magnesium Bath Bombs Gift Set XL Epsom Salt Bath Bombs for Muscle Recovery Stress Relief & Post-Workout Relaxation with Lavender & Arnica Spa Gift for Women & Men for Sore Muscles**Romancy**$16.78**4.6★41 rev](https://www.amazon.com/dp/B0FCCTQYH7) [4**Magnesium Lavender Bath Bombs Gift Set XL Epsom Salt Bath Bombs for Muscle Recovery Stress Relief & Post-Workout Relaxation with Melatonin & Arnica Spa Gift for Women & Men Melatonin (Lavender)**Romancy**$16.78**4.8★13 rev](https://www.amazon.com/dp/B0GHPWS3ZP) [5**Epsom-It Epsom Salt Bath Bomb - Magnesium Sulfate Epsom Salts for Soothing and Refreshing soak Recovery Magnesium Bath Soak for Women & Men Unscented 2-Pack**EPSOM-IT**$12.65**4.3★62 rev](https://www.amazon.com/dp/B0CZVJTTPT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Magnesium Lavender Bath Bombs Gift Set XL Epsom Salt Bath Bombs for Muscle Recovery Stress Relief & Post-Workout Relaxation with Melatonin & Arnica Spa Gift for Women & Men Melatonin (Lavender)**Romancy**$16.78**13 rev4mo ago](https://www.amazon.com/dp/B0GHPWS3ZP) [**Magnesium & Epsom Salt Natural Mineral Bath Bombs | XL 180g | Skin Care & Muscle Relief Bath Soak Inspired by the Worlds Healing Hot Springs | Dye & Fragrance Free | GeoBath (7 Pack)**STiiMPAK**$37.15**40 rev5mo ago](https://www.amazon.com/dp/B0G3CG3NXZ) [**Molecular H2TAB Hydrogen Bath Tablets 60 Count Fragrance-Free Bath Bombs for Muscle Relief Skin Hydration & Oxidative Stress Support Magnesium-Based Antioxidant Detox Bath**H2TAB**$56.90**132 rev11mo ago](https://www.amazon.com/dp/B0FJSRSR2G) [**Magnesium Bath Bombs Gift Set XL Epsom Salt Bath Bombs for Muscle Recovery Stress Relief & Post-Workout Relaxation with Lavender & Arnica Spa Gift for Women & Men for Sore Muscles**Romancy**$16.78**41 rev1y ago](https://www.amazon.com/dp/B0FCCTQYH7) [**Magnesium Bubble Bath Bombs Long Lasting Foaming Sore Muscles Recovery Tea Tree Relaxing Stress Relief Calming Self Care Spa Gift for Birthday Christmas**New Miuz**$19.35**57 rev1y ago](https://www.amazon.com/dp/B0DVT1WSCN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Magnesium Lavender Bath Bombs Gift Set XL Epsom Salt Bath Bombs for Muscle Recovery Stress Relief & Post-Workout Relaxation with Melatonin & Arnica Spa Gift for Women & Men Melatonin (Lavender)**Romancy**$16.78**4.8★**▲ 416%**](https://www.amazon.com/dp/B0GHPWS3ZP) [**Magnesium & Epsom Salt Natural Mineral Bath Bombs | XL 180g | Skin Care & Muscle Relief Bath Soak Inspired by the Worlds Healing Hot Springs | Dye & Fragrance Free | GeoBath (7 Pack)**STiiMPAK**$37.15**4.8★**▲ 364%**](https://www.amazon.com/dp/B0G3CG3NXZ) [**Bath Bomb Gift Set 12 Pack Aromatherapy Bath Bombs with Essential Oils**Romancy**$15.11**4.2★**▲ 330%**](https://www.amazon.com/dp/B0DZ19Y6R6) [**Molecular H2TAB Hydrogen Bath Tablets 60 Count Fragrance-Free Bath Bombs for Muscle Relief Skin Hydration & Oxidative Stress Support Magnesium-Based Antioxidant Detox Bath**H2TAB**$56.90**4.4★**▲ 138%**](https://www.amazon.com/dp/B0FJSRSR2G) [**Dr Teals Epsom Salt Magnesium Soak Limited Edition Hawaiian Bliss 3 lbs**Dr Teal's**$6.16**4.7★**▲ 61%**](https://www.amazon.com/dp/B0F2THVK72)
**~~View all trending →~~**
## **What buyers say about epsom salt bath bomb**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Smell**22%
*“Calming fragrance”*
**Quality-Overall**18%
*“AMAZING QUALITY”*
**Value For Money**17%
*“Good Value”*
**Advertised Vs Actual Product**6%
*“Exactly as shown”*
**Gifting Purpose**4%
*“great for gift”*
**Comfort-Overall**3%
*“so comforting”*
**Soft Feel**3%
*“Leaves skin soft”*
**Efficiency**3%
*“very effective for many purposes”*
**Ease Of Use**2%
*“Easy to use”*
**Sleep Quality**2%
*“Really help you sleep well”*
### **What buyers complain about **
**Smell**25%
*“NOT fragrance free”*
**Value For Money**14%
*“Expensive”*
**Size-Overall**9%
*“The bag to me is smaller”*
**Leak-Proof**4%
*“When I opened my Amazon package I found that my Epson salt bag was leaking”*
**Advertised Vs Actual Product**3%
*“Product not as described”*
**Hard Feel**3%
*“Hard as a ROCK”*
**Strength**3%
*“not strong enough for me”*
**Moist/Dry**2%
*“They dont hydrate your skin much either”*
**Quality-Overall**2%
*“Quality control issue”*
**Allergies**2%
*“It really burned my skin”*
### **Top return reasons **
**Smell**22%
**Leak-Proof**18%
**Size-Overall**13%
**Advertised Vs Actual Product**13%
**Value For Money**11%
**Functionality-Overall**5%
**Gap/Hole**4%
**Ingredients-Overall**2%
**Defective Material/Parts**2%
**Quality-Overall**2%
## **Common questions**
- **Is epsom salt bath bomb profitable to sell on Amazon United States?**
- The niche generates $39K/yr across 27 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -32.4%. Flapen's verdict: Skip it (47/100).
- **How competitive is the epsom salt bath bomb niche?**
- 15 brands and 561 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in epsom salt bath bomb?**
- Top complaints mined from reviews: Smell, Value For Money, Size-Overall. The return rate is 0.2%.
- **What does it cost to enter the epsom salt bath bomb niche?**
- Listings span $2.83–$56.90; the average listing price is $19.54 (sweet spot $15–$100). The average incumbent carries 3,905 reviews — the moat a new listing must climb.
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