Is one allowed to brush teeth on Yom Kippur with toothpaste on a toothbrush without rinsing toothbrush before and without rinsing mouth after? What if its prescription which I would think probably ...
Are you allowed to mix a pinch of baking soda with water and rinse your mouth with it instead of using mouthwash? Also there are two way to mix it: place some baking soda on your finger/hand and ...
What, if any, modern-day hygiene products are prohibited "oils" on Yom Kippur? Are deodorants and perfumes in this category? What about medical ointments?
Are there any sources in Rabbinic literature that mention washing hands with soap after using the bathroom? I.e that just using the cup (נטילת ידים) isn't sufficient. An explicit statement would be ...