I asked 'A'isha with what thing she perfumed the Messenger of Allah (ﷺ) at the time of entering upon the state of Ihram. She said: With the best of perfume.
Sahih Muslim Book 15, Hadith 39
← Previous Hadith I applied perfume of Dharira to the Messenger of Allah (ﷺ) with my hand (on the occasion of) the Farewell Pilgrimage on freeing from the state of Ihram and entering upon it.

Sahih Muslim Book 15, Hadith 38 Next Hadith → I applied the best perfume, which I could get, to the Messenger of Allah (ﷺ) before entering upon the state of Ihram (and after this) he put on the Ihram.

Sahih Muslim Book 15, Hadith 40