Sayyidah Aishah (may Allah be pleased with her) said: I applied perfume to the Messenger of Allah (peace and blessings be upon him) for his ihram when he entered ihram, and for his coming out of ihram before the Tawaf al-Ifadah, with the finest perfume I could find.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9599