Promotional value expires 90 days after purchase. Amount paid never expires. Appointment required. Must sign waiver. Not valid for customers active in the last year. Credit card required at booking. The option for two people must be used by two separate people; the option is not valid for one person to use both treatments. Those who are pregnant or have braces cannot receive treatment. Consultation required before service. If you are ineligible, a refund will be provided. Valid only for option purchased. May be repurchased every 365 days. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 1 per visit. Limit 1 per person. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings