Sunan Ibn Majah
3083
Daif Isnaad+2

It was narrated from Ibn ‘Umar that the Prophet (ﷺ) used to put oil on his head when he was in the state of Ihram, but not oil that was perfumed

Daif IsnaadAl-Albani
Daif IsnaadMuhammad Fouad Abd al-Baqi