Banned in EU

Hc Blue No. 4

A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.

What is it?

9,10-anthracenedione, N-methyl-1,4-diamino-, product with chloromethyloxirane and 2-aminoethanol

What does it do?

Hc Blue No. 4 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 banned in the European Union.

Hc Blue No. 4 is listed under Annex II of EU Cosmetics Regulation 1223/2009 (entry 1256), making it prohibited in cosmetic products placed on the EU market.

Frequently asked questions

What is Hc Blue No. 4?

Hc Blue No. 4 is a cosmetic ingredient catalogued in the EU CosIng database. 9,10-anthracenedione, N-methyl-1,4-diamino-, product with chloromethyloxirane and 2-aminoethanol

Is Hc Blue No. 4 allowed in cosmetics in the EU?

No. Hc Blue No. 4 is banned for use in cosmetic products in the EU under Annex II of Regulation 1223/2009.

What does Hc Blue No. 4 do in cosmetic products?

Hc Blue No. 4 is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.

What is the CAS number of Hc Blue No. 4?

The CAS (Chemical Abstracts Service) number for Hc Blue No. 4 is 158571-57-4.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010