What is required of one who performed 'Umrah and did not cut any hair from his head, whether out of ignorance or forgetfulness?

Question:
Among the questions that have come in, the questioner says: Shaykh, if I performed 'Umrah and did not cut any hair from my head, out of ignorance or forgetfulness,

Answer:
You must, once you remember, put on the ihram clothes again and cut your hair by shaving or shortening it, in any place, because 'Umrah is not completed except by doing so. Yes.