Performing Ghusl Before Donning Ihram
Narrated from Zayd bin Thābit (RA):
"I saw the Prophet ﷺ withdraw to a separate place to don Ihram and perform Ghusl."
[Sahih Tirmidhī: 664, Kitāb al-Ḥajj: Bāb Mā Jāʾa fī al-Ightisāl ʿInd al-Iḥrām; Tirmidhī: 830; al-Dārimī: 2/31; Ibn Khuzaymah: 2595]
Majority View: Performing Ghusl at the time of Ihram is recommended (mustahabb).
[al-Mughnī: 3/232, Bidāyat al-Mujtahid: 1/246]