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Sodium Sulfite

What Sodium Sulfite is & what it does

An antioxidant and preservative aid used to protect formulas from oxidation and discoloration. It helps maintain product quality.

What does Sodium Sulfite do in skincare?

Sodium Sulfite is an inorganic salt used in cosmetic formulas mainly as an antioxidant and preservative-supporting ingredient. It helps protect a product from oxidation and can act as a reducing agent. It is generally present in small amounts to keep formulas stable.

Is Sodium Sulfite safe?

Sodium Sulfite is widely used as a cosmetic and food additive and is generally considered safe at the low levels used in products. Some people can be sensitive to sulfites, so it may be a concern for those with known sulfite sensitivity. If you react to sulfite-containing products, it is reasonable to avoid it and consult a professional.

Is Sodium Sulfite natural or synthetic?

Sodium Sulfite is generally produced synthetically through controlled chemical processes, although sulfite compounds also occur in nature. The cosmetic-grade ingredient is a manufactured inorganic salt. Its identity and function are the same regardless of how it is sourced.

Sunscreens with Sodium Sulfite

We rate 23 sunscreens that contain it, showing the top 10 by overall score:

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