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Aluminum salt

ALUMINUM BENZOATE

CAS 555-32-8
55

Safety score · 0–100

Moderate

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

Aluminum benzoate is an aluminum salt with astringent and mild preservative properties. It carries the ongoing aluminum exposure debate as well as benzoate-related urticaria risk for sensitive users.

Function

ANTIMICROBIAL, VISCOSITY CONTROLLING

Skin benefits

  • Aluminum benzoate has been used as an antiperspirant precursor
  • Benzoate moiety provides mild preservative activity
  • Astringent properties

Known concerns

  • Aluminum salts have ongoing safety debate regarding chronic exposure and breast tissue
  • Benzoic acid can cause non-immunologic contact urticaria in sensitive individuals
  • EU restricts aluminum content in cosmetics including SCCS opinions on antiperspirant aluminum
  • Limited modern cosmetic safety data on this specific salt

References

EU

EU CosIng database

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

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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.