It wasnarrated from Abu Hurairah that the Messenger of Allah (ﷺ)said:
"It is impolite for a man to wipe his forehead a great dealbeforehe finishes prayer." (JA)
English reference (JA): Vol. 1, Book 5, Hadith 964 (JA)
Arabic reference (JA): Book 5, Hadith 1017 (JA)