potassium hydrogen sulfite
No flagsEU-permitted preservative
Is potassium hydrogen sulfite safe?
potassium hydrogen sulfite has no safety flags in our database and is generally considered low-risk at cosmetic use levels.
Official regulatory status
Pulled directly from official regulatory datasets and expert reviews — not our own judgement.
EU-permitted preservative (max 0.2% (as free SO2))
Sources
Each authority below is shown only because our ingested copy of its data lists potassium hydrogen sulfite — not because we asserted it. Follow a link to verify the classification or regulation directly.
See our methodology for how these map to concern levels. Informational only — not medical advice.
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