The use of perfume while assuming Ihram Sahih al-Bukhari 1539
Translation
Narrated `Aisha
(the wife of the Prophet (p.b.u.h) I used to scent Allah's Messenger (ﷺ) when he wanted to assume Ihram and also on finishing Ihram before the Tawaf round the Ka`ba (Tawaf-al-ifada).