Ancient Minerals Magnesium Oil Refill, Zechstein Chloride, 33oz
Ancient Minerals
Topical magnesium chloride from Zechstein seabed. For bath or skin application. NOTE: Transdermal magnesium absorption is poorly proven in humans — studies are mixed/small. Vault uses ~2% of labeled elemental Mg in typical use as a conservative cost estimate (often cited ballpark 1–5%). Not equivalent to oral dosing.
Serving Size
Topical application
Per Serving
~100 mg magnesium per 8 sprays (topical)
What's on the Label
Magnesium chloride
How It's Made
Primary Form
Zechstein seabed (ancient seabed deposit in Netherlands)
Source & Processing
Zechstein seabed
Other Ingredients
Purified water
What They Don't Tell You(Beyond the label)
- Zechstein seabed source
- TOPICAL USE ONLY — transdermal absorption poorly proven (Vault uses ~2% estimate for cost comparison)
- Ancient mineral deposit
- 12.7K+ reviews, 4.3 stars
How to Use
Typical Dose
~100 mg magnesium per 8 sprays (topical)
Per Topical application
General Guidance
• When: Follow label directions or consult research for optimal timing
• Consistency: Regular daily use typically yields best results
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