The amount of time you'll need to wait before showering depends on what kind of spray tan you received. Traditional spray tans will need about eight to twelve hours to develop (it's best to sleep in these and then shower in the morning), while certain express solutions will allow you to shower after one to three hours.

How long does it take for a spray tan to show up?

“It takes about 12 hours to set for a traditional spray tan, but it can take much less for an accelerated tan (anywhere from one to five hours), and 24 hours for both tans to fully develop.”

Will spray tan continue to develop after shower?

The better you care for your spray tan, the longer it will last. ... Please note: the tan will continue to develop even after the shower, so do not be alarmed if you're not as tanned as you expect to be. • The tan will continue to develop over the next 12-24 hours.