BASIC VIOLET 4 is graded F (Banned) by Expert·ING, based on EU COSING Annex II regulatory data. It is restricted under EU COSING — AnnexII.

BASIC VIOLET 4

Ethanaminium, N-(4-[bis[4-(diethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidine)-N-ethyl- and its salts, when used as a substance in hair dye products

Safety grade: F

This chemical substance is prohibited in EU cosmetic products under COSING Annex II. It has been banned due to safety concerns identified by EU regulatory authorities.

Graded using: EU COSING Annex II.

Last verified: June 7, 2026

Other Prohibited Chemical ingredients