Acid Red 33
A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate (CI 17200)
What does it do?
Acid Red 33 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Hair dyeing
colours hair, either by depositing pigment on the surface or by chemically altering the hair's natural pigment
EU regulatory status
This ingredient is restricted in the European Union.
Acid Red 33 is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 254). It is permitted only under specific conditions, concentration limits, or in particular product types.
Notes: (Acid Red 33) (CI 17200)
Frequently asked questions
What is Acid Red 33?
Acid Red 33 is a cosmetic ingredient catalogued in the EU CosIng database. Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate (CI 17200)
Is Acid Red 33 allowed in cosmetics in the EU?
Only with restrictions. Acid Red 33 is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Acid Red 33 do in cosmetic products?
Acid Red 33 is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.
What is the CAS number of Acid Red 33?
The CAS (Chemical Abstracts Service) number for Acid Red 33 is 3567-66-6.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 13/08/2020