The 34th IFSCC Congress in Iguazu Falls, Brazil, focused on sustainability and biotechnology, with L'Oréal and Grupo Boticário presenting innovations. L'Oréal emphasized sustainability as a necessity, discussing planetary boundaries and eco-design. Givaudan showcased white biotech-derived ingredients like bisabolol and precision-fermented hyaluronic acid. The EcoBeautyScore Consortium introduced a sustainability scoring system. Grupo Boticário explored biotech applications, including upcycling and yeast mycosporins.