Must be 18 or older. Appointment required, same day appointments accepted subject to availability. All bookings are subject to availability. 48-hour cancellation policy. Limit 1 per person, may buy 4 additional as a gift. Valid for option purchased only. The Merchant may require Groupon to desist from selling Vouchers by providing 30 days’ notice in writing (including email), but such notice may not take effect unless served after the first six months from the first day of feature. The Merchant may increase the monthly cap (subject to Groupon’s agreement) but may not decrease the monthly Cap by more than 50% of the initial monthly agreed cap