Promotional value expires 180 days after purchase. Amount paid never expires. Appointment required, contact by phone at (301) 860-9200. Must sign waiver. Click here to read the policy. Consultation required before service. If you are ineligible, a refund will be provided. May be repurchased every 30 days. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 2 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