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Skin Conditioning

MAGNESIUM CHLORIDE

CAS 7786-30-3/ 7791-18-6 (hydrate) Updated
88

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

A natural mineral salt from seawater and salt lakes, supplying magnesium ions. Mildly hydrating and very well tolerated — long history of safe use in baths, sprays and skincare.

Skin benefits

  • Mineral source — supplies magnesium ions
  • Mild humectant effect
  • Adjusts viscosity and pH
  • Natural seawater-derived

Known concerns

  • Tingling possible on broken skin at high %
  • Mild eye irritant in concentrated form

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.