# AMMONIUM SULFITE

URL: https://app.greenveil.ai/ingredients/ingredient_inci_ammonium_sulfite
Categories: beauty
Functions: Preservative, Hair waving or straightening, Reducing
Identifier: AMMONIUM SULFITE

> AMMONIUM SULFITE: Used in cosmetics as a preservative, a hair waving or straightening agent and a reducing agent. Ammonium Sulfite is an inorganic salt. Canonical ingredient record built from 1 public-source records. Compiled from 1 published data source.

## Safety assessment

- Chemical concern: not yet assessed
- Is it a concern? We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.
- Rationale: Canonical ingredient record built from 1 public-source records.

## Regulatory status

- EU: Active — Ammonium Sulfite is an inorganic salt that conforms to the formula: Restriction: III/99
V/9

## Expert safety opinions

- SCCS (EU Scientific Committee on Consumer Safety): no opinion on file.
- CIR (Cosmetic Ingredient Review (US expert panel)): no opinion on file.

## Data sources

- CosIng (updated 2026-09-23): https://ec.europa.eu/growth/tools-databases/cosing/details/31900

_Assessed by Greenveil._