Question: Is it permissible for a woman to uncover her hair, neck and arms infront of her mahrams – such as her father and her brother?
Response: Yes, it is permissible for a woman to have them – and that which is similar – uncovered in the presence of her mahrams.
And Allaah has the complete knowledge (of all affairs).
Shaykh Muhammed ibn ‘Abdillaah as-Subayyal