272. hadíth
وَقَالَ رَسُولُ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ: «اِخْتَضِبُوا بِالْحِنَّاءِ فَإِنَّهُ يَجْلُو اَلْبَصَرَ وَ يُنْبِتُ اَلشَّعْرَ وَ يُطَيِّبُ اَلرِّيحَ وَ يُسَكِّنُ اَلزَّوْجَةَ»
The Messenger of Allah (saws) said: "Dye with henna, for it improves eyesight, promotes hair growth, gives a pleasant fragrance, and calms the wife”.