Characteristics
- INCI
- Sodium Sulfite
- CAS
-
7757-83-7
This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.
- EC
-
231-821-4
This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.
- IUPAC
- Sodium Sulphite
- Functions
- hair waving or straightening, preservative
- EU Restr.
-
III/99 V/9
EU regulatory status: restricted use. The ingredient is permitted in EU cosmetics but its use and labelling are regulated.
More detail →
Для кого подходит
Description
Sodium Sulfite is a simple inorganic salt used in cosmetics mainly as an antioxidant and preservative helper. It works by slowing oxidation, which can help keep formulas from discoloring, smelling off, or losing effectiveness over time. You’ll most often see it in products where stability matters, such as certain creams, lotions, cleansers, hair products, and color-sensitive formulas.
For skin and hair, Sodium Sulfite doesn’t act like a treatment ingredient on its own, but it helps the product stay fresh and perform as intended. That can be useful in formulas with plant extracts, vitamins, or other ingredients that are prone to oxidation. People who benefit most are those using products that need extra formula stability, especially if they want a longer shelf life and more consistent texture or color.
Caveat: Sodium Sulfite is generally used at low levels, but sulfites can be irritating for some people, especially on very sensitive skin. If a product stings, causes redness, or feels uncomfortable, it may not be the best fit. As always, the overall formula matters more than any single ingredient.
Found in products (733 total)
Наиболее часто встречается в продукции Babaria (24 продуктов)
