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Preservative

MYRTRIMONIUM BROMIDE

CAS 1119-97-7 Updated
60

Safety score · 0–100

Fine

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

About

A myristyl quaternary ammonium preservative — kills bacteria and fungi to keep products fresh. EU-approved under Annex V with strict use caps, but it shares the standard quat concerns around irritation and aquatic toxicity.

Skin benefits

  • Effective antimicrobial preservative
  • Adds conditioning feel
  • EU Annex V approved at controlled levels

Known concerns

  • Quaternary ammonium toxicity at higher concentration
  • Eye and skin irritation risk in concentrate
  • Aquatic toxicity typical of quats

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 — always read the physical product label and consult a healthcare professional for personal concerns.