Preservative / Quaternary ammonium
LAURALKONIUM BROMIDE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A quaternary ammonium preservative and antistatic agent used in hair and skin care. Effective antimicrobial but with irritation and sensitization potential at higher concentrations, especially around eyes.
Function
Skin benefits
- Functions as a preservative in rinse-off and leave-on cosmetics
- Provides antistatic effects on hair fibers
- Helps stabilize formulations against microbial contamination
Known concerns
- Quaternary ammonium compound with skin and eye irritation potential
- CIR review flags use restrictions for alkonium salts at higher levels
- Documented sensitization risk in susceptible individuals
References
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.