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Thickener

MAGNESIUM STEARATE

CAS 557-04-0 Updated
82

Safety score · 0–100

Good

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

About

The magnesium salt of stearic acid used in powders for slip and anti-caking. Highly inert and considered safe for skin contact.

Function

ANTICAKINGBULKINGCOLORANTMOISTURISING

Skin benefits

  • Anti-caking and slip agent
  • Improves powder texture
  • Stable and inert

Known concerns

  • Inhalation of loose powder not recommended
  • Primarily a processing aid

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.