IslamQA: Making wudu with nail polish: Is it the same as masḥ (wiping over socks)?
With regards to the impermissibility of nail polish due to wudu, can’t the concept of masah be applicable to wearing nail polish as well? Doesn’t it have the same logic? Legally ablution by wiping over socks (al-masḥ ʿala l-khuffayn) is a highly specific exception designed to help travelers avoid having to take off their socks. […]