"Low penalty" in all categories.
- INCI name: AMMONIUM SULFITE
- EINECS/ELINCS number: 233-484-9
- Classification:
Regulated, Preservative
Restriction in Europe:
III/99, V/9
The maximum concentration allowed in ready-to-use cosmetic preparations is 0.2% (free SO2).
Its functions (INCI)
- Hair waving or straightening : Modifies the chemical structure of the hair, to style it in the required style
- Preservative : Inhibits the development of microorganisms in cosmetic products.
- Reducing : Changes the chemical nature of another substance by adding hydrogen or removing the oxygen