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)."