bro north suggested i plug hadiths regarding hitting on the face here.

Quote:

"When any one of you fights, let him avoid (striking) the face.” (Narrated by al-Bukhaari, al-Fath, 5/215). ....about the woman who had committed adultery, the Prophet (peace and blessings of Allaah be upon him) commanded that she should be stoned to death, and said, ‘Stone her, but avoid the face.’ (Narrated by Abu Dawood, 4/152). the Prophet (peace and blessings of Allaah be upon him) saw a man slap a slave (or a boy) in the face, and he said, “Do you not know that the face is inviolate?” (Muslim, 3/1280.