When entering the toiletAllahumma 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
Translation: I seek your pardon
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