Senior Gia Tuso opens the glass doors welcoming her into Glo Tanning. A simple pink “Glo” sign greets her at the front desk and staff members immediately recognize her as a familiar face. She selects her service upfront — a light spray tan with no add-ons — and walks to a cube-like room housing the Mystic tanning box.  Tuso applies a blending cream to prevent her nails and toenails from absorbing the tan and puts a plastic shower cap over her short, brunette hair. She waves her hand in front of the machine’s green start light and holds her arms up facing the front to get the most tan on her body. She then flips around to her back and repeats the process, the tan misting her back from top to bottom. “I’ve gotten spray tans a lot, especially for school dances, and usually, the process when I go to other places is pretty long, and it’s not a machine doing it for you,” Tuso said. “But when you go to Glo and get it done, you just stand in a machine and it takes five minutes for the spray ...