epsom salt bath bomb
Skip itSoft demand (-32.4% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Avg price
Great$19.54avg listing price — sweet spot $15–$100
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Price range
Great$2.83–$56.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good69%top-5 brand share — brands hold most of the demand
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Okay3,904.67avg 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
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
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.Top epsom salt bath bomb search terms
- epsom salt bath bomb12K/yr
- magnesium bath bombs8K/yr
- epsom salt bath bombs4K/yr
- epson salt bath bombs3K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Muscle Rehab Epsom Salt Bath Bombs - Magnesium Recovery Soak 4 Pack
Muscle Rehab$19.244.6★714 rev
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$37.154.8★40 rev
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$16.784.6★41 rev
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$16.784.8★13 rev
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$12.654.3★62 rev
Newest
by launch dateMagnesium 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$16.7813 rev
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$37.1540 rev
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$56.90132 rev
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$16.7841 rev
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$19.3557 rev
Trending
90-day click momentumMagnesium 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$16.784.8★
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$37.154.8★
Bath Bomb Gift Set 12 Pack Aromatherapy Bath Bombs with Essential Oils
Romancy$15.114.2★
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$56.904.4★
Dr Teals Epsom Salt Magnesium Soak Limited Edition Hawaiian Bliss 3 lbs
Dr Teal's$6.164.7★
What buyers say about epsom salt bath bomb
What buyers praise and complain about, mined from review topics.What buyers love
“Calming fragrance”
“AMAZING QUALITY”
“Good Value”
“Exactly as shown”
“great for gift”
“so comforting”
“Leaves skin soft”
“very effective for many purposes”
“Easy to use”
“Really help you sleep well”
What buyers complain about
“NOT fragrance free”
“Expensive”
“The bag to me is smaller”
“When I opened my Amazon package I found that my Epson salt bag was leaking”
“Product not as described”
“Hard as a ROCK”
“not strong enough for me”
“They dont hydrate your skin much either”
“Quality control issue”
“It really burned my skin”
Top return reasons
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.