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... Answered 11 months ago

The doubt in the validity of Wudhu is invalid if it happens after completing the Wudhu. If you are sure that water never reached where it should reach, then you need to make it reach or redo the Wudhu.