Musnad Ahmad 1153:1384

Muhammad ibn Ja'far narrated to us, he said: Shu'bah narrated to us, from Sulayman, from Ibrahim, from al-Aswad, from 'Aishah, that she said: "I indeed saw the glistening of the perfume on the head of the Messenger of Allah, peace and blessings of Allah be upon him, while he was in the state of ihram."