It wasnarrated from Ibn 'Umar that Hafsah, the wife of the Prophet(ﷺ),said:
"I said: 'O Messenger of Allah, what is the matter withpeople who have exited Ihram when you have not exited your Ihram?'Hesaid: 'I have applied something to my head to keep my hairtogether,and I have garlanded my sacrificial animal, so I will notexit Ihramuntil I have offered my sacrifice.'" (FR)
English reference (FR): Vol. 4, Book 25, Hadith 3046 (FR)
Arabic reference (FR): Book 25, Hadith 3162 (FR)