There’s a whole episode about this in that new Suddenly Amish show

Because the Amish don’t have mirrors, all of the Amish women are surprisingly confident about their appearance. But one of the non-Amish women struggles to give up her fake nails and lashes because her identity is so attached to her image. (spoiler) Eventually she has a breakthrough and decides to let them go

For such a ridiculous show it was kind of a beautiful moment