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 59Ammonium, (4-(alpha-(p-(diethylamino)phenyl)-2,4-disulfobenzylidene)-2,5-cyclohexadien-1-ylidene)diethyl-, hydroxide, monosodium salt
- Maximum concentration
- Not to be used in products applied on mucous membranes
- As of
- 3 November 2026 · (EC) 2009/1223
EU · Annex II, entry 1355Ethanaminium, N-(4-((4-diethylamino)phenyl)(2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, sodium salt (Acid Blue 1; CI 42045) when used as a substance in hair dye products
- As of
- 3 November 2026 · (EC) 2013/344