Promotional value expires 120 days after purchase. Amount paid never expires. Appointment required, contact by phone at (773) 923-1730. Must sign waiver. Limit 1 per person(s), may buy 1 additional as gift(s). Consultation required before service. If you are ineligible, a refund will be provided. Valid only for option purchased. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings