Here are two dua's that are made at the time of using the bathroom:
Before entering the toilet:
بِسْمِ الله ) اللّهُـمَّ إِنِّـي أَعـوذُ بِـكَ مِـنَ الْخُـبْثِ وَالْخَبائِث)
(In the name of Allah). O Allah, I take refuge with you from all evil and evil-doers.
After leaving the toilet:
غُفْـرانَك
I ask You (Allah) for forgiveness.
Listen to Shaykh 'Ubayd al-Jaabiree (hafidhahullah Ta'ala) breakdown their explanation into its various parts.
From a series of his lecture on the explanation of the Chapter of Taharah from Umdatul Ahkaam taught in May 2006. I have compiled a lecture dealing with The Etiquettes of Using the Bathroom.
Listen to this extracted benefit for now and maybe got to the link to find some other benefits, later.
Abu Hurairah (رضي الله عنه) narrated that the Prophet ﷺ said: "Whoever invites to guidance will be rewarded like those who follow him in the guidance are rewarded, and that will not decrease the reward of those who have followed him." [Collected by Imām Muslim]
Conditions to re-use / re-post: No modification of any audio files. Any website that posts them must link back to the sources mentioned above. Material not for sale.
Please feel free to leave a comment below describing the contents of this audio and how you benefitted from it. These comments may be helpful to others.