مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2256
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that The Messenger of Allah (ﷺ) cursed the woman who does hair extensions and the woman who has that done; men who imitate women and women who imitate men.
Musnad Ahmad 2263A saheeh hadeeth; this is a da'eef isnad]