Chapter on the Rules of Menstruation, Istihadah, and Nifas, and Purification From Them

It is narrated by him (the previous chain) from Muhammad ibn Ali, from Muhammad ibn Yahya, from Ghiyath ibn Ibrahim, from Abu Abdullah عليه السلام, from his father, from Imam Ali عليه السلام, who said: Imam عليه السلام said: "A woman does not need to undo her hair when she performs ghusl (ritual purification) from janabah (major ritual impurity)."