Whenever the Messenger of Allah ﷺ raised his hands in supplication, he would not lower them until he had wiped his face with them.In Muhammad bin al-Muthanna's version of the hadith, the wording is, "He would not bring them back down until he had wiped his face with them."
حدثنا أبو موسى محمد بن المثنى وإبراهيم بن يعقوب وغير واحد قالوا حدثنا حماد بن عيسى الجهني عن حنظلة بن أبي سفيان الجمحي عن سالم بن عبد الله عن أبيه
كان رسول الله ﷺ إذا رفع يديه في الدعاء لم يحطهما حتى يمسح بهما وجهه قال محمد بن المثنى في حديثه لم يردهما حتى يمسح بهما وجهه
No references are available.
Its chain of transmission is daif. Abd bin Humayd also narrated it, no. 39, from Hammad bin Isa, through the same route.