"The Prophet wiped his head two times: He began with the rear of his head, then with the front of his head and with both of his ears, outside and Inside of them."  

أَنَّ النَّبِيَّ ﷺ مَسَحَ بِرَأْسِهِ مَرَّتَيْنِ بَدَأَ بِمُؤَخَّرِ رَأْسِهِ ثُمَّ بِمُقَدَّمِهِ وَبِأُذُنَيْهِ كِلْتَيْهِمَا ظُهُورِهِمَا وَبُطُونِهِمَا