وَقَالَ رَسُولُ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ لِعَلِيٍّ عَلَيْهِ اَلسَّلاَمُ: «يَا عَلِيُّ دِرْهَمٌ فِي اَلْخِضَابِ أَفْضَلُ مِنْ أَلْفِ دِرْهَمٍ فِي غَيْرِهِ فِي سَبِيلِ اَللَّهِ عَزَّ وَ جَلَّ وَ فِيهِ أَرْبَعَ عَشْرَةَ خَصْلَةً يَطْرُدُ اَلرِّيحَ مِنَ اَلْأُذُنَيْنِ وَ يَجْلُو اَلْبَصَرَ وَ يُلَيِّنُ اَلْخَيَاشِيمَ وَ يُطَيِّبُ اَلنَّكْهَةَ وَ يَشُدُّ اَللِّثَةَ وَ يَذْهَبُ بِالضَّنَى وَ يُقِلُّ وَسْوَسَةَ اَلشَّيْطَانِ وَ تَفْرَحُ بِهِ اَلْمَلاَئِكَةُ وَ يَسْتَبْشِرُ بِهِ اَلْمُؤْمِنُ وَ يَغِيظُ بِهِ اَلْكَافِرَ وَ هُوَ زِينَةٌ وَ طِيبٌ وَ يَسْتَحِي مِنْهُ مُنْكَرٌ وَ نَكِيرٌ وَ هُوَ بَرَاءَةٌ لَهُ فِي قَبْرِهِ.
The Messenger of Allah (saws) said to Imam Ali ibn Abi Talib (a.s): "O’ Ali, spending a dirham on dyeing is better than spending a thousand dirhams in other paths for the sake of Allah (swt), the Mighty and Glorious. It has fourteen benefits: it repels odors from the ears, improves eyesight, softens the nostrils, freshens breath, strengthens the gums, removes ailments, reduces the whispering of Satan, brings joy to the angels, gladdens the believer, enrages the disbeliever, it is a form of adornment, a fragrance, it makes Munkar and Nakir (the angels who question the dead in their graves) feel shy, and it is a source of innocence (purity) in one's grave”.