She has received two consecutive Citra Award nominations in the Best Actress category for Di Balik 98 (2015) and Rudy Habibie (2016).

Islan rose to fame for her role in the popular sitcom Tetangga Masa Gitu which aired from 2014 to 2017 alongside Sophia Latjuba, Deva Mahenra, and Dwi Sasono.

Both roles garnered Islan consecutive nominations at the 2015 and 2016 Citra Awards in the Best Actress category, which she lost to Tara Basro (A Copy of My Mind) and Cut Mini (Athirah) respectively.

She was cast in the lead role of Alfie for Timo Tjahjanto's solo directorial debut May the Devil Take You, which was released in 2018 to critical and commercial success.

[4] Islan has appeared in multiple commercials for brands such as L'Oreal, Garnier, Tokopedia, Pizza Hut, Oppo, Magnum, Rexona, and Matahari Department Store.