Sunan an-Nasa'i 5098

It was narrated from Masruq that:A woman came to 'Abdullah bin Mas'ud and said: "I am a woman with little hair, is it alright for me to add extensions to my hair?" He said: "No." She said: "Is it something that you heard from the Messenger of Allah [SAW] or that you find in the Book of Allah?" He said: "No, rather I heard it from the Messenger of Allah [SAW] and I find it in the Book of Allah." And he quoted the Hadith