The Guadalajara native was discovered on Facebook at the age of 14. Hernández debuted on the catwalk for Proenza Schouler, exclusively for the spring-summer ready-to-wear 2020 collection. She had begun her career as a model for fashion catalogues.​ Her parent agency is Wanted & Bang in Mexico City and signed with international agencies Elite Model Management (worldwide), The Society Management (New York) and Chadwick Models in Sydney.