Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ibnmajah:3751ʿAlī b. Muḥammad > ʿAbd al-Raḥman b. ʿAbdullāh > Ḥammād b. Salamah > Abū Hāshim al-Rummānī > Ḥabīb b. Abū Thābit > Um Salamah

he began with his private area, coating it with hair removing chemical. And his wife would do the remainder of his body.  

ابن ماجة:٣٧٥١حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ حَدَّثَنَا عَبْدُ الرَّحْمَنِ بْنُ عَبْدِ اللَّهِ حَدَّثَنَا حَمَّادُ بْنُ سَلَمَةَ عَنْ أَبِي هَاشِمٍ الرُّمَّانِيِّ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ أُمِّ سَلَمَةَ

أَنَّ النَّبِيَّ ﷺ كَانَ إِذَا اطَّلَى بَدَأَ بِعَوْرَتِهِ فَطَلاَهَا بِالنُّورَةِ وَسَائِرَ جَسَدِهِ أَهْلُهُ