INCI name

ACID GREEN 1

Naphthol Green B

Hair dyeingBasic data from CosIng

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 2Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)
Maximum concentration
Not to be used in products applied on mucous membranes
As of
3 November 2026 · (EC) 2009/1223
EU · Annex II, entry 1342Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonate(2-)-N5,O6]ferrate(3-); (Acid Green 1; CI 10020) when used as a substance in hair dye products
As of
3 November 2026 · (EC) 2013/344
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