An aromatic amine listed as a hair-dyeing ingredient and linked to an Annex II entry.
What it is
o-Aminophenol (2-aminophenol) is an aromatic compound with an amino group and a hydroxyl group next to each other on a benzene ring; as a dye it has the Colour Index number CI 76520. CosIng lists it as a hair-dyeing ingredient. The EU data link this ingredient to an entry in Annex II (prohibited substances).
Where it is used
Appears on the ingredient lists of a small number of products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
See the EU regulation section for what the Annex II entry covers and how it applies.
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
- As of
- 3 November 2026 · (EC) 2013/344
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.
- Gevemia – Hair Spa-Colorant Wubeizi Color (2018-10-17)

