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Antimicrobial

POTASSIUM ALUM

CAS 10043-67-1 / 7784-24-9
65

Safety score · 0–100

Fine

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

Potassium alum — a traditional mineral deodorant crystal. Astringent and antimicrobial, and a common alternative to aluminium chlorohydrate.

Function

ASTRINGENT

Skin benefits

  • Natural astringent deodorant
  • Antimicrobial on skin
  • Aftershave and styptic use

Known concerns

  • Aluminium salt - breast cancer hypothesis unsupported but debated
  • Can irritate shaved skin
  • Not for broken skin

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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Same plant / compound family

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POTASSIUM ALUMINUM POLYACRYLATE
Film Former

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