عن أم سلمة أن النبي ﷺ اطَّلى ووليَ عانته بيده
سنن إبن ماجه كتاب الأدب باب الإطّلاء بالنورة
Umm Salamah related that the Prophet (SAW) spread cream on himself and took care of his pubic area with his hand.
Sunan ibn Majah, The book of manners, Section: spreading depilatory cream [nurah]
