ʿUyūn akhbār al-Riḍā
Hadith 7474 - وَبِهذَا الإِسنادِ قالَ: قالَ رَسُولُ اللَّهِ صَلَّى اللهُعَلَيْهِ وَآلِهِ: اِدَّهنُوا بِالبَنَفسَجِ فَإِنَّهُ بارِدٌ في الصَّيفِ وَحارٌّ في الشِّتاءِ.
31-74 According to the same documentation, God’s Prophet (S) said, “Use viola to smell good since it feels cool in the summer and warm in the winter.”