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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ibnmajah:3634 – Abū Bakr b. Abū Shaybah > Yazīd b. Hārūn > Jarīr b. Ḥāzim > Qatādah > Anas

“The hair of the Messenger of Allah ﷺ was wavy, and (hung down) between his ears and his shoulders.”  

ابن ماجة:٣٦٣٤ – حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ أَنْبَأَنَا جَرِيرُ بْنُ حَازِمٍ عَنْ قَتَادَةَ عَنْ أَنَسٍ قَالَ

كَانَ شَعَرُ رَسُولِ اللَّهِ ﷺ شَعَرًا رَجِلاً بَيْنَ أُذُنَيْهِ وَمَنْكِبَيْهِ  

See similar narrations below:

Collected by Nasāʾī, Nasāʾī's Kubrá
nasai:5053 – Muḥammad b. al-Muthanná > Wahbb. Jarīr from my father > Qatādah > Anas

"The hair of the Prophet [SAW] was wavy, neither curly nor straight, and (hung down) between his ears and his shoulders."  

النسائي:٥٠٥٣ – أَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى قَالَ حَدَّثَنَا وَهْبُ بْنُ جَرِيرٍ قَالَ حَدَّثَنَا أَبِي قَالَ سَمِعْتُ قَتَادَةَ يُحَدِّثُ عَنْ أَنَسٍ قَالَ

كَانَ شَعْرُ النَّبِيِّ ﷺ شَعْرًا رَجِلاً لَيْسَ بِالْجَعْدِ وَلاَ بِالسَّبْطِ بَيْنَ أُذُنَيْهِ وَعَاتِقِهِ  

nasai-kubra:9260 – Muḥammad b. al-Muthanná > Wahbb. Jarīr from my father > Qatādah > Anas

"The hair of the Prophet [SAW] was wavy, neither curly nor straight, and (hung down) between his ears and his shoulders." (Using translation from Nasāʾī 5053)  

الكبرى للنسائي:٩٢٦٠ – أَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى قَالَ حَدَّثَنَا وَهْبُ بْنُ جَرِيرٍ قَالَ حَدَّثَنَا أَبِي قَالَ سَمِعْتُ قَتَادَةَ يُحَدِّثُ عَنْ أَنَسٍ قَالَ

«كَانَ شَعْرُ رَسُولِ اللهِ ﷺ شَعْرًا رَجُلًا لَيْسَ بِالْجَعْدِ وَلَا بِالسَّبْطِ بَيْنَ أُذُنَيْهِ وَعَاتِقَيْهِ»