Narrated from Ummul Momineen Aisha (may Allah be pleased with her): A woman asked the Prophet (peace and blessings of Allah be upon him) about how to perform the ritual bath after menstruation. He (peace be upon him) instructed her: "Perform the bath in this manner." He said: "Take a piece of cotton with musk on it and purify yourself with it." She asked, "How should I purify myself with it?" The Prophet (peace be upon him) replied: "Subhan Allah! ... Purify yourself with it." (Ummul Momineen says) So I pulled the woman towards myself and said, "Apply it to the place of blood (the private part)."