Alcohol affects your blood sugar level to such an extent, that it may cause loss of bowel function control, and cause diarrhea, with the same side effects as vomiting. Cause-and-effect: Just like your knees go weak on you from too much booze, so does your bowel.
*Do not brush your teeth, spray cologne, or put on tight clothes during your tanning time, which is 6-8 hours after your session. *You can apply a mineral powder on your face/body and wear lipstick and mascara if you are going out during your tan time. (6-8 hours after your spray tan).
Read a book, go to the movies, play on the computer; do anything that will keep you still and calm. Your spray tanning technician will advise you how long you have to wait before you can shower. Some solutions take 2 hours to fully develop, others 12. The average is about 5-6 hours. I usually keep mine overnight and shower in the morning.