Hadith 8:2315
Abu Bakr narrated to us, he said: Ibn Numayr narrated to us, from Abd al-Malik, from Ata, regarding the one in ihram: "Does he scratch his head?" He said: "Yes, he scratches it with his fingertips."
حدثنا أبو بكر قال حدثنا بن نمير عن عبد الملك عن عطاء في المحرم يحك رأسه قال نعم يحكه بأنامله