Lady Aisha (may Allah be pleased with her) narrates that I applied perfume to the Messenger of Allah (peace and blessings be upon him) before he entered into the state of Ihram and after he had exited Ihram but before performing the Tawaf (Ifadah).
Hadith Referenceالمنتقى ابن الجارود / كتاب المناسك / 414