Whenever the Prophet ﷺ took a bath after Janaba he started by washing his hands and then performed ablution like that for the prayer. After that he would put his fingers in water and move the roots of his hair with them, and then pour three handfuls of water over his head and then pour water all over his body.  

عَنْ عَائِشَةَ زَوْجِ النَّبِيِّ ﷺ أَنَّ النَّبِيَّ ﷺ كَانَ إِذَا اغْتَسَلَ مِنَ الْجَنَابَةِ بَدَأَ فَغَسَلَ يَدَيْهِ ثُمَّ يَتَوَضَّأُ كَمَا يَتَوَضَّأُ لِلصَّلاَةِ ثُمَّ يُدْخِلُ أَصَابِعَهُ فِي الْمَاءِ فَيُخَلِّلُ بِهَا أُصُولَ شَعَرِهِ ثُمَّ يَصُبُّ عَلَى رَأْسِهِ ثَلاَثَ غُرَفٍ بِيَدَيْهِ ثُمَّ يُفِيضُ الْمَاءَ عَلَى جِلْدِهِ كُلِّهِ  

It was narrated from 'Aishah that when the Prophet ﷺ performed Ghusl from Janabah he would start by washing his hands, then he would perform Wudu' as for prayer, then he would dip his fingers in the water, then run them through his hair, then he would pour water over his head three times, then he would pour water over his entire body.  

أَنَّ النَّبِيَّ ﷺ كَانَ إِذَا اغْتَسَلَ مِنَ الْجَنَابَةِ بَدَأَ فَغَسَلَ يَدَيْهِ ثُمَّ تَوَضَّأَ كَمَا يَتَوَضَّأُ لِلصَّلاَةِ ثُمَّ يُدْخِلُ أَصَابِعَهُ الْمَاءَ فَيُخَلِّلُ بِهَا أُصُولَ شَعْرِهِ ثُمَّ يَصُبُّ عَلَى رَأْسِهِ ثَلاَثَ غُرَفٍ ثُمَّ يُفِيضُ الْمَاءَ عَلَى جَسَدِهِ كُلِّهِ  

Yahya related to me from Malik from Hisham ibn Urwa from his father from A'isha, umm al-muminin, that whenever the Messenger of Allah ﷺ did ghusl for major ritual impurity, he would begin by washing his hands, and then do wudu as for prayer. He would then put his fingers in the water and rub the roots of his hair with them. Then he would pour as much water as two hands can hold on to his head three times, and over the entire surface of his skin.  

أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ إِذَا اغْتَسَلَ مِنَ الْجَنَابَةِ بَدَأَ بِغَسْلِ يَدَيْهِ ثُمَّ تَوَضَّأَ كَمَا يَتَوَضَّأُ لِلصَّلاَةِ ثُمَّ يُدْخِلُ أَصَابِعَهُ فِي الْمَاءِ فَيُخَلِّلُ بِهَا أُصُولَ شَعْرِهِ ثُمَّ يَصُبُّ عَلَى رَأْسِهِ ثَلاَثَ غَرَفَاتٍ بِيَدَيْهِ ثُمَّ يُفِيضُ الْمَاءَ عَلَى جِلْدِهِ كُلِّهِ  

It was narrated from 'Aishah that when the Prophet ﷺ performed Ghusl from Janabah he would start by washing his hands, then he would perform Wudu' as for prayer, then he would dip his fingers in the water, then run them through his hair, then he would pour water over his head three times, then he would pour water over his entire body. (Using translation from Nasāʾī 247)   

حَدَّثَنَا الْقَعْنَبِيُّ عَنْ مَالِكٍ عَنْ هِشَامِ بْنِ عُرْوَةَ عَنْ أَبِيهِ عَنْ عَائِشَةَ «أَنَّ رَسُولَ اللَّهِ ﷺ كَانَ إِذَا اغْتَسَلَ مِنَ الْجَنَابَةِ بَدَأَ فَغَسَلَ يَدَيْهِ ثُمَّ تَوَضَّأَ كَمَا يَتَوَضَّأُ لِلصَّلَاةِ ثُمَّ يُدْخِلُ أَصَابِعَهُ فِي الْمَاءِ فَيُخَلِّلُ بِهَا أُصُولَ شَعْرِهِ ثُمَّ يَصُبُّ عَلَى رَأْسِهِ ثَلَاثَ غَرَفَاتٍ بِيَدِهِ ثُمَّ يُفِيضُ الْمَاءَ عَلَى سَائِرِ جَسَدِهِ»  

[Machine] The Prophet Mohammed ﷺ used to start by washing his hands, then perform ablution for prayer. After that, he would dip his hands into water and run his fingers through his hair roots. When he felt that his skin was well-moistened, he would pour three handfuls of water over his head. Then he would wash the rest of his body. This hadith is narrated by Hisham bin Urwah in Sahih Al-Bukhari and Sahih Muslim.  

كَانَ رَسُولُ اللهِ ﷺ يَبْدَأُ فَيَغْسِلُ يَدَيْهِ ثُمَّ يَتَوَضَّأُ وُضُوءَهُ لِلصَّلَاةِ ثُمَّ يُدْخِلُ كَفَّيْهِ فِي الْمَاءِ فَيُخَلِّلُ بِهَا أُصُولَ شَعْرِهِ حَتَّى إِذَا خُيِّلَ إِلَيْهِ أَنْ قَدِ اسْتَبْرَأَ الْبَشَرَةَ غَرَفَ بِيَدِهِ ثَلَاثَ غَرَفَاتٍ فَصَبَّهَا عَلَى رَأْسِهِ ثُمَّ اغْتَسَلَ مُخَرَّجٌ فِي الصَّحِيحَيْنِ مِنْ حَدِيثِ هِشَامِ بْنِ عُرْوَةَ  

Whenever the Prophet ﷺ took a bath after Janaba he started by washing his hands and then performed ablution like that for the prayer. After that he would put his fingers in water and move the roots of his hair with them, and then pour three handfuls of water over his head and then pour water all over his body. (Using translation from Bukhārī 248)   

أَنَّ رَسُولَ اللهِ ﷺ كَانَ إِذَا اغْتَسَلَ مِنَ الْجَنَابَةِ بَدَأَ فَغَسَلَ يَدَيْهِ ثُمَّ تَوَضَّأَ كَمَا يَتَوَضَّأُ لِلصَّلَاةِ ثُمَّ يُدْخِلُ أَصَابِعَهُ فِي الْمَاءِ فَيُخَلِّلُ بِهَا أُصُولَ شَعْرِهِ ثُمَّ يَصُبُّ عَلَى رَأْسِهِ ثَلَاثَ غُرَفٍ بِيَدِهِ ثُمَّ يُفِيضُ الْمَاءَ عَلَى جِلْدِهِ كُلِّهِ  

"إِنَّ النَّبِيَّ ﷺ اغْتَسَلَ مِنَ الجنَابَةِ فَبَدأَ فَغَسَل كَفَّيْه ثَلَاثًا، ثُمَّ تَوَضَّأَ وُضُوءَه لِلصَّلَاةِ، ثُمَّ أَدْخَلَ يَدَهُ فِي المَاءِ فَخَلَّلَ بِهَا أُصُولَ الشَّعْرِ حَتَّى يُخَيَّل إِلَيَّ أَنَّه اسْتَبْرَأَ البَشْرَةَ، ثُمَّ صَبَّ عَلَى رَأسِهِ ثَلَاثًا، ثُمَّ أَفَاضَ عَلَى سَائِرِ جَسَدِهِ الْمَاءَ".