Sodium Sulfite
Ingredient Info
Sodium Sulfite is a preservative and antioxidant used in skincare products to prevent oxidation and extend shelf life. It works by neutralizing free radicals and protecting product stability, helping formulations stay fresh longer.
Benefits
- Extends product shelf life
- Prevents oxidation of other ingredients
- Helps maintain product stability
Potential concerns
- May cause irritation in people with sulfite sensitivity
- Can trigger reactions in those with asthma or sulfite allergies
- Rare sensitization possible with prolonged use
Science: The Cosmetic Ingredient Review Expert Panel confirmed in 2023 that sodium sulfite is safe as a cosmetic ingredient at current concentrations and usage practices. Research shows it functions effectively as a reducing agent and antioxidant in formulations.
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