Preservativelow risk
Sodium Metabisulfite
INCI · Sodium Metabisulfite
Antioxidant and preservative. Can cause allergic reactions, particularly in sulfite-sensitive individuals.
Why dermatologists flag it
ACDS-listed antioxidant/preservative
Names to look for on labels
Sodium Metabisulfite appears under any of these names — manufacturers choose between INCI, common, and local-language terms freely.
Sodium MetabisulfiteSodium PyrosulfiteDisodium disulfiteE223
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