The ruling on supplication after the taslim of the obligatory prayer

Question:
Honorable Shaykh, may Allah grant you success, is supplication after the obligatory prayer, meaning the five daily prayers, part of the Sunnah, or is it an innovation? And is wiping the face after supplication part of the Sunnah? Supplication after the obligatory prayer

Answer:
It is recommended. Good; because it follows an act of worship, a person makes supplication. However, it is a collective supplication, where each person supplicates for himself, and he does not wipe his face with his hands after the obligatory prayer. As for wiping his face with his hands after a voluntary prayer, there is no harm in it. But after the obligatory prayer, no, because this practice has not been reported from the Prophet (peace and blessings be upon him) or from his Companions that they would supplicate and wipe their faces after the obligatory prayer. But he supplicates in secret between himself and his Lord with what...
This is good, and this is also one of the occasions in which the acceptance of supplication is hoped for, because it is after an obligatory prayer and after performing an act of worship. The Messenger (peace and blessings be upon him) began by saying, "I seek forgiveness of Allah, I seek forgiveness of Allah, I seek forgiveness of Allah." Is this not supplication? This is supplication asking Allah for forgiveness.