Igarzábal made her professional debut in 2008, when she was cast for the role of Valeria "Vale" Gutiérrez in the television series Casi Ángeles, created by eminent Argentine producer Cris Morena. Before that, she acted in an amateurish theatre. Igarzábal portrayed the Vale "Tumbera" Gutiérrez from 2008 to 2010, and also took part in the Casi Ángeles theatre adaptations. She also participated in the soundtrack albums Teen Angels 2 and Teen Angels 3, and the Teen Angels tours. In 2011, Igarzábal became a regular member of the Teen Angels, replacing Eugenia Suárez. She also plays guitar, ukelele and sings with the show's cast.
Igarzábal, was born on August 24 in Buenos Aires, Argentina. Igarzábal is nicknamed "Rochi" and "Ro" by her friends and family, was born to Joaquín and Adriana; she has two sisters, Martina and Lucía. She is also known for publicly lead a vegetarian lifestyle philosophy and meditation (yoga practice).