‏الفضائل : Hadeeth No:5713 Sa'd reported that on the Day of Ubud I saw on the right side of Allaah's Messenger (sallAllaahu alayhi wa sallam) and on his left side two persons dressed in white clothes and whom I did not see before nor after that, and they were Gabriel and Michael (Allaah be pleased with both of them)....

‏الحيض : Hadeeth No:710 Abdullah b. Abbas said: I heard the Prophet of Allaah (sallAllaahu alayhi wa sallam) say: When the skin is tanned it becomes purified....