Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 1 year ago

The minimum length of the beard is what can be seen as hair on the face by people who see you from usual distance of conversation, no matter how short it might be.

Wassalam.