An antioxidant and preservative that shields formulas from oxidation, common in brightening products and hair dyes. Sulfites are a known allergen, especially for people with asthma or sulfite intolerance.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
Works as an antioxidant and preservative. Safe at cosmetic concentrations for most people, but those with sulfite sensitivity or asthma should take care.
Irritation potential
LowAllergen risk
ModeratePregnancy
CautionSuitable for
Use with caution
The Evigrade extension adds an evidence panel to Wildberries, Goldapple, Letu, iHerb, Sephora and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Sodium Metabisulfite should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.
Sodium Metabisulfite suits: normal, oily, combination. Use with caution in: sensitive.
An antioxidant and preservative that shields formulas from oxidation, common in brightening products and hair dyes.
The INCI name is Sodium Metabisulfite. It may also appear as: Натрия метабисульфит, Sodium Pyrosulfite, E223.
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