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 religious questions. In the past, he has also spent significant time in India guiding the community.
1. There is No question of invalidity of Prayers just because of not shaving the unwanted hair.
2. No doubt, shaving the unwanted hair is highly recommended as it makes the body clean and avoids the harms of the dirt which accumulates because of the unwanted hair.
3. Removing the unwanted hair starts when ever such hair grows, and it is to be repeated whenever it grows again.
4. It is recommended not leave it unremoved from the body for forty days or whenever it grows up.