Phenyl Methyl Pyrazolone
A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-
What does it do?
Phenyl Methyl Pyrazolone 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.
Phenyl Methyl Pyrazolone is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 228). It is permitted only under specific conditions, concentration limits, or in particular product types.
Frequently asked questions
What is Phenyl Methyl Pyrazolone?
Phenyl Methyl Pyrazolone is a cosmetic ingredient catalogued in the EU CosIng database. 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-
Is Phenyl Methyl Pyrazolone allowed in cosmetics in the EU?
Only with restrictions. Phenyl Methyl Pyrazolone is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Phenyl Methyl Pyrazolone do in cosmetic products?
Phenyl Methyl Pyrazolone is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.
What is the CAS number of Phenyl Methyl Pyrazolone?
The CAS (Chemical Abstracts Service) number for Phenyl Methyl Pyrazolone is 89-25-8.
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