The rather conservative niqab has long been advocated by extremist religious groups and Salafi sheikhs, even though it is known for not being an obligatory
![Woman wearing a niqab in Switzerland [GETTY]](/sites/default/files/styles/image_156x88/public/media/images/F243D719-C382-49A4-A14B-BF3E7FA650BA.jpg?h=d1cb525d&itok=6DPsfYmd "Woman wearing a niqab in Switzerland [GETTY]")
