"I said: 'O Messenger of Allah, I am a woman with tightly braided hair; should I undo it when performing Ghusl from Janabah?' He said: 'No it is sufficient for you to pour three handfuls of water over your body.'"  

عَنْ أُمِّ سَلَمَةَ ؓ زَوْجِ النَّبِيِّ ﷺ قَالَتْ قُلْتُ يَا رَسُولَ اللَّهِ إِنِّي امْرَأَةٌ أَشُدُّ ضَفْرَ رَأْسِي أَفَأَنْقُضُهَا عِنْدَ غَسْلِهَا مِنَ الْجَنَابَةِ قَالَ إِنَّمَا يَكْفِيكِ أَنْ تَحْثِي عَلَى رَأْسِكِ ثَلاَثَ حَثَيَاتٍ مِنْ مَاءٍ ثُمَّ تُفِيضِينَ عَلَى جَسَدِكِ