Sahih Bukhari

Narrated Ibn `Umar:Hafsa the wife of the Prophet (ﷺ) said, ""O Allah's Messenger (ﷺ)! Why have the people finished their Ihram after performing `Umra but you have not finished your Ihram after performing `Umra?"" He replied, ""I have matted my hair and garlanded my Hadi. So I will not finish my Ihram till I have slaughtered (my Hadi)