In 2018, Salos made her senior debut at the 2018 LA Lights competition. She then went on to win silver in the International Tournament Moscow. On March 30–April 1 Salos competed at her first senior World Cup event at 2018 World Cup Sofia, placing 5th in the all-around and qualifying to all 4 apparatus finals. Her next World Cup event was 2018 World Cup Pesaro, where she won bronze with ball. She first won her all-around medal at 2018 World Cup Baku, winning bronze behind Maria Sergeeva and Vlada Nikolchenko. Salos also won bronze at the 2018 World Challenge Cup Guadalajara with ball, and at the 2018 World Challenge Cup Minsk she won silver with ball and bronze with clubs. At the 2018 Rhythmic Gymnastics World Championships she placed 10th in the all-around and qualified to the ribbon final, where she placed 5th.