It is considered bad manner to do one's make-up on a train or subway in Japan.
I personally think doing a little touch-up isn't that bad unless she's making a mess or the train is too crowded. I prefer doing my make-up at home for various reasons but I don't think other women have to do the same as me. Anyway, it never bothered me and probably wouldn't bother me if I lived in Japan now.
However, in San Diego, the majority of people commute by car, and I sometimes see women applying make-up while driving a car. That doesn't just bother me...That SCARES me! Needless to say, it is very dangerous to the driver, but it could also cause a serious damage to others as well. I think it's as bad as texting - if not worse.
Don't make-up and drive! (><)
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