Sodium Metabisulfite is a salt used as an antioxidant and preservative in cosmetics and personal care products. It helps to prevent oxidation, which can degrade ingredients and change a product's color or odor. It also has antimicrobial properties, contributing to product shelf-life.
NoneAntioxidant, preservativeVeganEvidence: Medium
BenefitNone 0 / 4
RiskModerate 1.5 / 4
Sensitization
Irritation
Rated by SpottyLabs' ingredient methodology, independent of brands.
Things to watch
potential for skin irritation
can cause allergic reactions in sensitive individuals
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Sodium Metabisulfite can cause irritation or allergic reactions in some individuals, particularly those with sensitive skin or sulfite allergies. Patch testing is recommended if you have concerns.