What can be said to a Christian neighbor who is surprised by a Muslim woman covering her hair, and is it permissible to uncover one's hair in front of her?

The jurists of the four madhhabs (schools of thought) agreed on the permissibility for a non-Muslim woman to see the face and hands of a Muslim woman. The Shafi'is added the permissibility of seeing what appears during professional work. As for the Hanbalis, they held that the 'awrah (intimate parts) of a Muslim woman in front of a non-Muslim woman is the same as her 'awrah in front of a Muslim woman, meaning from the navel to the knee. The preponderant opinion is that it is not permissible for a non-Muslim woman to see of a Muslim woman what does not appear during professional work.