---
title: "Magnesium Soap — $33K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/beauty-personal-care/magnesium-soap"
last_updated: "2026-08-11T13:12:37.850Z"
locale: en
meta:
  description: "Niche score 42/100 · $33K/yr market · 27K searches/yr · $18.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 42/100 · $33K/yr market · 27K searches/yr · $18.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Magnesium Soap — $33K/yr Amazon US Niche (2026) - Flapen"
---

# **magnesium soap**

**Skip it**

Soft demand (-44.5% this quarter) — this niche doesn't clear our bar today.

Market size 8Growth 3Conversion 73Competition 24Returns 98Price range 83Avg price 85Brand share 41Review moat 40Quality gap 48

**Returns**

**Incredible****0.5%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$18.82**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$6.96–$62.38**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Good****6.7%**

search→purchase rate — share of searches ending in a sale

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****80%**

top-5 brand share — brands hold most of the demand

**Review moat**

**Okay****2,528.5**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Market size**

**Bad****$33K**

$33K/yr · 27K searches

**Growth**

**Bad****-44.5%**

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, magnesium soap is a $33K/yr Amazon United States market (27K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 42/100.

Data updated Jul 15, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **magnesium soap market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**$38K–$47K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,311**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**93%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**59 months**</dd>

<dt>**Avg seller age**</dt><dd>**145 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**12 **▼falling

**Sellers**

**25**

**Top-5 brand share**

**80%**

Top 20: 100%

**Top-5 click share**

**71%**

Top 20: 100%

**Open market**

**16%**

- Erbaid26% - Reveka Skincare23% - Olivia Care13% - Natrulo9% - One With Nature9% - OLLY4% - Open — no brand owns it (6 brands, 16%)

## **Demand**

Weekly Amazon search volume, last 20 weeks — -44.5% search growth over the last 90 days.

1K600Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26

[**Open Trend **](https://flapen.com/research/us/beauty-personal-care/magnesium-soap/trend)

## **Top magnesium soap search terms**

- **magnesium soap**15K/yr-28.1%4.7% conv. - **magnesium soap bar**6K/yr-29.8%6.8% conv. - **reveka magnesium soap**6K/yr-80.2%7.1% conv. [**All search terms **](https://flapen.com/research/us/beauty-personal-care/magnesium-soap/search-terms)

## **Top magnesium soap 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%$3K20%$7K30%$10K40%$13K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA](https://m.media-amazon.com/images/I/51khnn8vGRL.jpg)**Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA**Erbaid**$6.96**4.5★362 rev](https://www.amazon.com/dp/B0D5ZS99F4) [2![Reveka Skincare Magnesium Soap 4-in-1 Natural Bar for Face Body Hair & Shaving | Triple-Milled with Shea Butter | USA-Made Peppermint Soap | 4 Pack (7 oz Each)](https://m.media-amazon.com/images/I/41hq+mCEDDL.jpg)**Reveka Skincare Magnesium Soap 4-in-1 Natural Bar for Face Body Hair & Shaving | Triple-Milled with Shea Butter | USA-Made Peppermint Soap | 4 Pack (7 oz Each)**Reveka Skincare**$62.38**4.3★148 rev](https://www.amazon.com/dp/B0CKXZ62QS) [3![Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack](https://m.media-amazon.com/images/I/31Peh4Gl5WL.jpg)**Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack**Olivia Care**$13.96**4.4★508 rev](https://www.amazon.com/dp/B0G2V9W7VG) [4![Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA](https://m.media-amazon.com/images/I/51Dcn4zi--L.jpg)**Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA**Natrulo**$6.96**4.4★325 rev](https://www.amazon.com/dp/B0CPMCNTQG) [5![Reveka Skincare Magnesium Soap 4-in-1 Natural Bar for Face Body & Hair | Triple-Milled with Green Tea Spearmint & Eucalyptus | USA-Made | 4 Pack (7 oz Each)](https://m.media-amazon.com/images/I/41rbvXz6yFL.jpg)**Reveka Skincare Magnesium Soap 4-in-1 Natural Bar for Face Body & Hair | Triple-Milled with Green Tea Spearmint & Eucalyptus | USA-Made | 4 Pack (7 oz Each)**Reveka Skincare**$62.03**4.3★148 rev](https://www.amazon.com/dp/B0D1W493HJ)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![THE RUSTIC LANDS Beef Tallow Soap Bars Scented Natural Moisturizing Bar Soap Gentle Soap for Sensitive Skin Face & Body Made in USA Tallow & Magnesium Soap - 4 Pack (5 oz Each)](https://m.media-amazon.com/images/I/41MxckSawRL.jpg)**THE RUSTIC LANDS Beef Tallow Soap Bars Scented Natural Moisturizing Bar Soap Gentle Soap for Sensitive Skin Face & Body Made in USA Tallow & Magnesium Soap - 4 Pack (5 oz Each)**PROVENCE ESSENTIALS**$19.88**138 rev3mo ago](https://www.amazon.com/dp/B0GVLXG4KN) [![Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack](https://m.media-amazon.com/images/I/31Peh4Gl5WL.jpg)**Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack**Olivia Care**$13.96**508 rev7mo ago](https://www.amazon.com/dp/B0G2V9W7VG) [![OLLY Revive Body Wash with Magnesium Electrolytes & Vitamin B12 Nourishing Cleanser for Skin Barrier Repair Deep Hydration Refreshing Nerolidew Scent 17 oz](https://m.media-amazon.com/images/I/41oNRi0bNyL.jpg)**OLLY Revive Body Wash with Magnesium Electrolytes & Vitamin B12 Nourishing Cleanser for Skin Barrier Repair Deep Hydration Refreshing Nerolidew Scent 17 oz**OLLY**$7.62**819 rev1y ago](https://www.amazon.com/dp/B0F79PQHYY) [![Seoul Naturals Element 12 Magnesium Soap with Lavender and Chamomile k beauty 6 oz](https://m.media-amazon.com/images/I/31kQ-9LaILL.jpg)**Seoul Naturals Element 12 Magnesium Soap with Lavender and Chamomile k beauty 6 oz**Seoul Naturals**$7.51**26 rev1y ago](https://www.amazon.com/dp/B0DL57KKNS) [![Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA](https://m.media-amazon.com/images/I/51atfMMTarL.jpg)**Dead Sea Magnesium Soap Bar Deep Cleansing Moisturizing Body Soap for Dry Itchy and All Skin Types Shower Soap Soothes Muscles and Joints All-Natural Exfoliating Face and Body Wash Made in USA**Herblov**$6.96**106 rev1y ago](https://www.amazon.com/dp/B0DFMSGK3M)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![THE RUSTIC LANDS Beef Tallow Soap Bars Scented Natural Moisturizing Bar Soap Gentle Soap for Sensitive Skin Face & Body Made in USA Tallow & Magnesium Soap - 4 Pack (5 oz Each)](https://m.media-amazon.com/images/I/41MxckSawRL.jpg)**THE RUSTIC LANDS Beef Tallow Soap Bars Scented Natural Moisturizing Bar Soap Gentle Soap for Sensitive Skin Face & Body Made in USA Tallow & Magnesium Soap - 4 Pack (5 oz Each)**PROVENCE ESSENTIALS**$19.88**4.7★**▲ 496%**](https://www.amazon.com/dp/B0GVLXG4KN) [![DEAD SEA Salt SOAP 3 PK - Shea Butter Argan Oil Magnesium Sulfur Minerals. All Skin Types Problem Skin. Acne Treatment Eczema Psoriasis Therapeutic Natural Fragrance Free 7 oz Bars](https://m.media-amazon.com/images/I/41EdGARuonS.jpg)**DEAD SEA Salt SOAP 3 PK - Shea Butter Argan Oil Magnesium Sulfur Minerals. All Skin Types Problem Skin. Acne Treatment Eczema Psoriasis Therapeutic Natural Fragrance Free 7 oz Bars**One With Nature**$14.91**4.5★**▲ 447%**](https://www.amazon.com/dp/B07659FF2G) [![Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack](https://m.media-amazon.com/images/I/31Peh4Gl5WL.jpg)**Coconut Magnesium Organic Bar Soap - Natural Moisturizing Body Soap for Sensitive Skin - Triple Milled Soap with Coconut Oil - Plastic Free 3 Pack**Olivia Care**$13.96**4.4★**▲ 98%**](https://www.amazon.com/dp/B0G2V9W7VG) [![Health & Wisdom Magnesium Bar Soap Moisturizing Body Soap - Made with Aloe & Nourishing Plant Oils and Essential Oils Gentle Cleanser for Face & Body - Lavender - 4 oz Bar - 2 Pack](https://m.media-amazon.com/images/I/41qvrR8M3dL.jpg)**Health & Wisdom Magnesium Bar Soap Moisturizing Body Soap - Made with Aloe & Nourishing Plant Oils and Essential Oils Gentle Cleanser for Face & Body - Lavender - 4 oz Bar - 2 Pack**Health and Wisdom**$15.17**4.4★**▲ 46%**](https://www.amazon.com/dp/B0C913T7HL) [![OLLY Revive Body Wash with Magnesium Electrolytes & Vitamin B12 Nourishing Cleanser for Skin Barrier Repair Deep Hydration Refreshing Nerolidew Scent 17 oz](https://m.media-amazon.com/images/I/41oNRi0bNyL.jpg)**OLLY Revive Body Wash with Magnesium Electrolytes & Vitamin B12 Nourishing Cleanser for Skin Barrier Repair Deep Hydration Refreshing Nerolidew Scent 17 oz**OLLY**$7.62**4.5★**▲ 31%**](https://www.amazon.com/dp/B0F79PQHYY)

**~~View all trending →~~**

## **What buyers say about magnesium soap**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Smell**36%

*“It has a subtle, pleasant scent”*

**Soft Feel**11%

*“Nice & Creamy”*

**Lather**8%

*“Good lather”*

**Cleansing**7%

*“It cleans well enough”*

**Quality-Overall**5%

*“No complaints on the product”*

**Value For Money**4%

*“Great value”*

**Suitability Combination Skin**3%

*“It makes my skin feel so good”*

**Moist/Dry**3%

*“Does not dry out my skin”*

**Ease Of Cleaning**2%

*“Makes me feel super clean when I use it”*

**Advertised Vs Actual Product**2%

*“Better than advertised”*

### **What buyers complain about **

**Smell**27%

*“The smell was synthetic”*

**Allergies**8%

*“I have itchy skin”*

**Sensitivity-Overall**6%

*“it leaves my sensitive”*

**Value For Money**5%

*“Its a little pricey in my opinion”*

**Moist/Dry**5%

*“doesn't feel moisturizing”*

**Lather**5%

*“This soap doesn't lather up as much as most other soaps”*

**Suitability Dry Skin**2%

*“Cons: very drying”*

**Ingredients-Overall**2%

*“Dishonesty about ingredients list”*

**Advertised Vs Actual Product**1%

*“advertisements are gimmicky”*

**Size-Overall**1%

*“Too small for the money”*

### **Top return reasons **

**Smell**50%

**Motor Power**9%

**Advertised Vs Actual Product**9%

**Leak-Proof**8%

**Size-Overall**4%

**Moist/Dry**4%

**Defective Material/Parts**3%

**Functionality-Overall**2%

**Ingredients-Overall**2%

**Sensitivity-Overall**1%

## **Common questions**

<dl>

<dt>**Is magnesium soap profitable to sell on Amazon United States?**</dt><dd>The niche generates $33K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -44.5%. Flapen's verdict: Skip it (42/100).</dd>

<dt>**How competitive is the magnesium soap niche?**</dt><dd>12 brands and 25 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 80% of demand.</dd>

<dt>**What do buyers complain about in magnesium soap?**</dt><dd>Top complaints mined from reviews: Smell, Allergies, Sensitivity-Overall. The return rate is 0.5%.</dd>

<dt>**What does it cost to enter the magnesium soap niche?**</dt><dd>Listings span $6.96–$62.38; the average listing price is $18.82 (sweet spot $15–$100). The average incumbent carries 2,529 reviews — the moat a new listing must climb.</dd>

</dl>

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