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Industrial chemical (restricted)

BENZIMIDAZOLE

CAS 51-17-2
18

Safety score · 0–100

Avoid

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

Benzimidazole is an industrial heterocyclic chemical used in pharmaceutical synthesis. It has no approved cosmetic role and shows acute and reproductive toxicity signals that make topical consumer use inappropriate.

Skin benefits

  • Used in industrial and pharmaceutical synthesis
  • No accepted cosmetic functional benefit

Known concerns

  • Benzimidazole is acutely toxic if swallowed
  • Suspected reproductive toxicity in animal studies
  • Skin and eye irritant
  • Not approved as a cosmetic ingredient and listed in restricted chemical lists

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.