After getting a versa spray tan or any other spray tans you should avoid taking a shower for up to 8 hours after getting the tan.
You should also avoid anything that could cause you to come into contact with water on your skin until the 8 hours have passed to allow the versa spray tan to fully set into your skin.
Also avoid the rain or doing any activities that could make you sweat since the sweat will wash the spray tan off as well.