Hijab in Bible too! Why females need to wear veil?
NOTE: The speaker uses WESTERN' just as it is dominant...; otherwise, it applies to all involved.
THE ANSWER WAS FOR A NON-MUSLIM, BUT THE FOLLOWING APPLIES TO ALL MUSLIMS (Quran 24:30 for men FIRST then Quran 24:31 for women):
Tell the believing men to lower their gaze and be modest. That is purer for them. Lo! Allah is Aware of what they do.
And tell the believing women to lower their gaze and be modest, and to display of their adornment only that which is apparent, and to draw their veils over their bosoms, and not to reveal their adornment save to their own husbands or fathers or husbands fathers, or their sons or their husbands' sons, or their brothers or their brothers' sons or sisters sons, or their women, or their slaves, or male attendants who lack vigor, or children who know naught of women's nakedness. And let them not stamp their feet so as to reveal what they hide of their adornment. And turn unto Allah together, O believers, in order that ye may succeed. (Quran 24:30-31)