Is it mutar to use spray tan on shabbos?
The spray tan is a bronzing spray.
Spray tan should not be used on shabbos, because we are not allowed to color our skin on shabbos as it is tzoveiah. Even going into the sun specifically to get a tan is controversial, and those who permit it, only permit it because the person is not doing something specific in coloring their skin, whereas here the spray is being specifically applied. Therefore it is like applying cosmetics, which we don’t do on shabbos,