INCI name

PIGMENT YELLOW 12

Benzidine yellow

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 II, entry 12632,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutanamide] (Pigment Yellow 12) and its salts, when used as a substance in hair dye products
As of
3 November 2026 · (EC) 2009/1223

Safety Gate alerts (EU)

1 alerts about dangerous cosmetics in the EU mention this substance. An alert concerns a specific product, usually one that breaks EU rules.

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