The Messenger of Allah [SAW] forbade giving a false impression, and the false impression of a woman when she adds extra hair to her head. (Using translation from Nasāʾī 5248)
أَنَّ رَسُولَ اللهِ ﷺ نَهَى عَنِ الزُّورِ وَالزُّورُ الْمَرْأَةُ تَلُفُّ عَلَى رَأْسِهَا