It was narrated that Umm Salamah, the wife of the Prophet, said:
"I am a woman whose hem is lengthy, and I may walk through a dirty place. The Messenger of Allah said: 'That which comes after it purifies it.'" (JA)
English reference (JA): Vol. 1, Book 1, Hadith 531 (JA)
Arabic reference (JA): Book 1, Hadith 574 (JA)