We have heard some people saying that it is permissible for a
woman to make wudoo’ without removing her nail polish.
What is your opinion?

Praise be to Allaah.

If the nail polish forms an impermeable layer that prevents water from
reaching the surface of the nail, her wudoo’ is not valid unless she first
removes it. If she wears something like henna that does not create an
impermeable layer, then her wudoo’ is valid.