This entry shows data from the EU CosIng database. An editorial description has not been written and reviewed yet.
Functions
- Hair dyeing
- Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, permanent, depending on the length of time the colorant remains on the hair.
EU regulation
EU · Annex IV, entry 472,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]
- Maximum concentration
- Rinse-off products
- Conditions and warnings
- Maximum 3,3'-dimethylbenzidine concentration in the colouring agent: 5 ppm
- As of
- 3 November 2026 · (EC) 2009/1223
EU · Annex II, entry 13512,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide] (Pigment Yellow 13; CI 21100) when used as a substance in hair dye products
- As of
- 3 November 2026 · (EC) 2013/344