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.
bayhaqi:279ʿAbd al-Wāḥid > Abū al-Qāsim b. ʿAmr > Abū Ḥaṣīn > Yaḥyá > Abū Isrāʾīl > Fuḍayl b. ʿAmr > Mujāhid > Ibn ʿUmar

[Machine] "It was if he would wipe his head, he would wipe his forehead along with his head. This is what has been halted and the authority in its chain is weak. And Allah knows best."  

البيهقي:٢٧٩وَأَخْبَرَنَا عَبْدُ الْوَاحِدِ أنا أَبُو الْقَاسِمِ بْنُ عَمْرٍو ثنا أَبُو حَصِينٍ ثنا يَحْيَى ثنا أَبُو إِسْرَائِيلَ عَنْ فُضَيْلِ بْنِ عَمْرٍو عَنْ مُجَاهِدٍ عَنِ ابْنِ عُمَرَ

أَنَّهُ كَانَ إِذَا مَسَحَ رَأْسَهُ مَسَحَ قَفَاهُ مَعَ رَأْسِهِ هَذَا مَوْقُوفٌ وَالْمُسْنَدُ فِي إِسْنَادِهِ ضَعْفٌ وَاللهُ أَعْلَمُ