The European Patent Office (EPO) has published patent application EP4629960A1, detailing an aerosol device formulation. The application, filed by L'Oreal, specifies a composition involving an anionic fixing polymer, direct dye, monoalcohol, and dimethyl ether. The publication date is March 18, 2026.

This publication represents a new patent filing and does not impose immediate regulatory obligations on pharmaceutical or drug manufacturing companies. However, it is relevant for entities operating in the cosmetic and pharmaceutical sectors, particularly those involved in aerosol product development and intellectual property strategy, as it may impact future product innovation and market exclusivity within the designated European states.