Restricted

2,6-Dihydroxy-3,4-Dimethylpyridine

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

What is it?

6-Hydroxy-3,4-dimethyl-2-pyridone

What does it do?

2,6-Dihydroxy-3,4-Dimethylpyridine 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.

2,6-Dihydroxy-3,4-Dimethylpyridine is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 218). It is permitted only under specific conditions, concentration limits, or in particular product types.

Frequently asked questions

What is 2,6-Dihydroxy-3,4-Dimethylpyridine?

2,6-Dihydroxy-3,4-Dimethylpyridine is a cosmetic ingredient catalogued in the EU CosIng database. 6-Hydroxy-3,4-dimethyl-2-pyridone

Is 2,6-Dihydroxy-3,4-Dimethylpyridine allowed in cosmetics in the EU?

Only with restrictions. 2,6-Dihydroxy-3,4-Dimethylpyridine is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.

What does 2,6-Dihydroxy-3,4-Dimethylpyridine do in cosmetic products?

2,6-Dihydroxy-3,4-Dimethylpyridine is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.

What is the CAS number of 2,6-Dihydroxy-3,4-Dimethylpyridine?

The CAS (Chemical Abstracts Service) number for 2,6-Dihydroxy-3,4-Dimethylpyridine is 84540-47-6.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 17/10/2010