The origin of Pakistani women wearing hijab

Pakistan is an Islamic country, according to Islamic regulations, women's hair belongs to women's privacy, can not be overly exposed, must be wrapped up with a headscarf, at most, can only be exposed not more than one-fourth of 1. So Pakistan and Bangladeshi women Muslims although wearing a headscarf but the forehead hair exposed a little, which is allowed, other Islamic countries such as Iranian women Muslims hair It's better if they don't show their hair at all. Pakistani women wearing hijab is of Islamic origin, get it?