Query about using the Toothpaste whilst fasting View Fatawa › Category: Sawm › Query about using the Toothpaste whilst fasting 0 Vote Up Vote Down Imran Helal asked 6 years ago Assalamu alaykum. I have understood that using Toothpaste is Makruh or Haram whilst fasting. But does it invalidate the fast? 0 Answers Please login or Register to submit your answer Username or Email Address Password Remember Me