Narrated by Aisha (may Allah be pleased with her): She said that when the Messenger of Allah (peace and blessings be upon him) would enter into the state of Ihram, I used to apply perfume to him for his Ihram, and likewise, before he became lawful after performing the Tawaf of Ziyarat of the House of Allah.
Hadith Referenceمسند الإمام الشافعي / كتاب الحج / 786
Hadith Takhrijاخرجه البخاري، الحج، باب الطيب عند الإحرام .... الخ (1539) ومسلم ، الحج، باب استحباب الطيب قبل الاحرام في البدن ..... الخ (1189)۔