Her parents were exiled from Chile after the 1973 coup due to her mother's connection to Andrés Pascal Allende, a leader of the Chilean Revolutionary Left Movement, who was her cousin.

[6][7][8] In February 2021, Lux publicly announced that she is a transgender woman and changed her name to reflect her maternal surname.

[9] In 2014, during her fourth year of studying theater, Lux made her stage debut in Pablo Rotemberg's play La noche obstinada.

[10] That same year, she landed her first television role on Canal 13's series Los 80, where she played "Axel Miller".

Lux made her film debut in 2016 in Prueba de actitud, directed by Fabrizio Copano and Augusto Matte.