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 1025,12-Dihydroquino[2,3-b]acridine-7,14-dione
- Maximum concentration
- Rinse-off products
- As of
- 3 November 2026 · (EC) 2009/1223
EU · Annex II, entry 13665,12-Dihydroquino[2,3-b]acridine-7,14-dione (Pigment Violet 19; CI 73900) when used as a substance in hair dye products
- As of
- 3 November 2026 · (EC) 2013/344