Description
Genistein is an isoflavone, as follows from its chemical name 4',5,7-Trihydroxyisoflavone. In the cosmetic field, it is declared with the technical function SKIN CONDITIONING - MISCELLANEOUS. Ingredients classified within the skin conditioner category are those incorporated into formulations with the general purpose of contributing to maintaining the condition of the skin in terms of appearance and texture. In the official listings it also appears under the name GENISTEIN.
Under Regulation (EC) No 1223/2009 on cosmetic products, this substance is included in Annex III, reference 373, corresponding to the substances subject to restrictions that may only be used within the limits and conditions established. The maximum authorized concentration in the finished product is "0,007 %". The additional conditions set state that "From 1 February 2025 cosmetic products containing that substance and not complying with the conditions shall not be placed on the Union market. From 1 November 2025 cosmetic products containing that substance and not complying with the conditions shall not be made available on the Union market." The substance has no CMR classification, and no additional mandatory labelling warnings or specific restrictions by type of cosmetic product are recorded in the regulatory record.
As a specific cosmetic restriction, what is indicated in III/373 applies. The information presented is for technical reference only and does not constitute a recommendation for use or an efficacy claim.