Preservative
POTASSIUM METHYLPARABEN
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
The potassium salt of methylparaben — one of the lowest-concern parabens, EU-permitted up to 0.4% (single) or 0.8% (mixed). Endocrine signals are weaker than longer-chain parabens, but caveats remain.
Function
Skin benefits
- Broad-spectrum antimicrobial preservative
- Effective at low concentrations
- Long-standing formulation history
Known concerns
- Endocrine-disruption concerns under ongoing SCCS review
- Cumulative paraben exposure questions
- Lower-end estrogenic activity vs longer-chain parabens
- Public concern driving reformulation away from parabens
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related preservatives
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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.