Is 2-Naphthalenesulfonic Acid, 7,7'-(Carbonyldiimino)Bis(4-Hydroxy-3-[[2-Sulfo-4-[(4-Sulfophenyl)Azo]Phenyl]Azo]-, And Its Salts, When Used As A Substance In Hair Dye Products safe?

Question

Accepted Answer

Avoid. Prohibited in cosmetic products — EU Cosmetics Regulation 1223/2009 Annex II

2-Naphthalenesulfonic Acid, 7,7'-(Carbonyldiimino)Bis(4-Hydroxy-3-[[2-Sulfo-4-[(4-Sulfophenyl)Azo]Phenyl]Azo]-, And Its Salts, When Used As A Substance In Hair Dye Products

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