Sahih Muslim Book 7, Hadith Number 2681.

Chapter : Applying of perfume to the body before entering upon the state of Ihram.

‘Aisha (Allah be pleased with her), the wife of the Apostle of Allah (may peace be upon him), reported: I applied perfume to the Messenger of Allah (may peace be upon him) with my own hand before he entered upon the state of Ihram, and as he concluded it before-circumambulating the House (for Tawaf-i-Ifada).