After completing all the rounds of sayy between Safa and Marwah, it is obligatory to cut a little hair or nails. It is better to cut a little hair along with nails as a precaution. It is not recommended to shave one's head during Umrah-e-Tamatto but is also prohibited.
اَللّٰهُمَّ اَعْطِنِیْ بِكُلِّ َشَعْرَۃٍ نُوْرًا یَوْمَ الْقِیَامَۃِ۔