وَلَيْسَ عَلَى الْمَرْأَةِ أَنْ تَنْقُضَ ضَفَائِرَهَا فِي الْغُسْلِ إِذَا بَلَغَ الْمَاءُ أُصُولَ الشَّعْرِ.
Translation: A woman does not have to undo her braids during ghusl if water reaches the roots of the hair.
The allowance concerns undoing the braids; it does not remove the requirement that water reach the hair roots.
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Ghusl: Obligations, Sunnah Procedure and Braided Hair
وَلَيْسَ عَلَى الْمَرْأَةِ أَنْ تَنْقُضَ ضَفَائِرَهَا فِي الْغُسْلِ إِذَا بَلَغَ الْمَاءُ أُصُولَ الشَّعْرِ.
Translation: A woman does not have to undo her braids during ghusl if water reaches the roots of the hair.
The allowance concerns undoing the braids; it does not remove the requirement that water reach the hair roots.