Dua Entering and leaving toilet

When entering the toilet

 

Allahumma in-nee a'oothu bika minal khubu-thee wal khabaa ith.
Translation: O Allah, I seek your protection from filth and impurity

When leaving the toilet, recite

Ghuf-raa naka
Translation: I seek your pardon
followed by

Alhamdulillah-hilla-thee ath-haba ann-nil athaa wa 'afaani.
Translation: Iall praises to Allah, who has taken away my dicomfort and granted me relief