1,2,4-Trihydroxybenzene
A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Benzene-1,2,4-triol
What does it do?
1,2,4-Trihydroxybenzene is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Hair dyeing
colours hair, either by depositing pigment on the surface or by chemically altering the hair's natural pigment
EU regulatory status
1,2,4-Trihydroxybenzene is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is 1,2,4-Trihydroxybenzene?
1,2,4-Trihydroxybenzene is a cosmetic ingredient catalogued in the EU CosIng database. Benzene-1,2,4-triol
Is 1,2,4-Trihydroxybenzene allowed in cosmetics in the EU?
Yes. 1,2,4-Trihydroxybenzene is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does 1,2,4-Trihydroxybenzene do in cosmetic products?
1,2,4-Trihydroxybenzene is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.
What is the CAS number of 1,2,4-Trihydroxybenzene?
The CAS (Chemical Abstracts Service) number for 1,2,4-Trihydroxybenzene is 533-73-3.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 28/07/2020