The European Union has notified the WTO of its proposed amendments to Cosmetics Regulation 1223/2009 Annexes III (restricted substances) and VI (authorised UV filters). Four substances are of particular concern: BHT (used as antioxidant), Acid Yellow (used as hair dye), Homosalate, and Bis-(Diethylaminohy d-Roxybenzoyl Benzoyl) Piperazine (HAA299; used as UV filter). A correction is also made to the Resorcinol usage warnings.