Genistein
A cosmetic ingredient used as skin conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
5,7-dihydroxy-3-(4-hydroxyphenyl)-4-benzopyrone
What does it do?
Genistein is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Skin conditioning
improves the appearance, feel, and condition of skin
EU regulatory status
This ingredient is restricted in the European Union.
Genistein is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 373). It is permitted only under specific conditions, concentration limits, or in particular product types.
Notes: Restricted by Regulation (EU) 2024/996 (endocrine-disruption concerns). Maximum 0.007% in cosmetic products. Applies from 1 November 2025.
Frequently asked questions
What is Genistein?
Genistein is a cosmetic ingredient catalogued in the EU CosIng database. 5,7-dihydroxy-3-(4-hydroxyphenyl)-4-benzopyrone
Is Genistein allowed in cosmetics in the EU?
Only with restrictions. Genistein is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Genistein do in cosmetic products?
Genistein is declared in the EU cosmetic ingredient inventory with these functions: skin conditioning.
What is the CAS number of Genistein?
The CAS (Chemical Abstracts Service) number for Genistein is 446-72-0.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 03/04/2024