INCI name

ACID YELLOW 73 SODIUM SALT

Sodium fluorescein

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 74Disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate
As of
3 November 2026 · (EC) 2009/1223
EU · Annex II, entry 13322-(6-Hydroxy-3-oxo-(3H)xanthen-9-yl)benzoic acid; Fluorescein and its disodium salt (Acid Yellow 73 sodium salt; CI 45350), when used as a substance in hair dye products
As of
3 November 2026 · (EC) 2013/344
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