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.
ahmad:16927Abū Nuʿaym > ʿAbdullāh b. Mubashhir a freed slave of Um Ḥabībah > Zayd b. Abū ʿAttāb > Muʿāwiyah

[Machine] I heard the Messenger of Allah ﷺ say: "Any woman who puts in her hair some hair of another person, then she is only putting in falsehood."  

أحمد:١٦٩٢٧حَدَّثَنَا أَبُو نُعَيْمٍ قَالَ حَدَّثَنَا عَبْدُ اللهِ بْنُ مُبَشِّرٍ مَوْلَى أُمِّ حَبِيبَةَ عَنْ زَيْدِ بْنِ أَبِي عَتَّابٍ عَنْ مُعَاوِيَةَ قَالَ

سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ أَيُّمَا امْرَأَةٍ أَدْخَلَتْ فِي شَعَرِهَا مِنْ شَعَرِ غَيْرِهَا فَإِنَّمَا تُدْخِلُهُ زُورًا