Promotional value expires 90 days after purchase. Amount paid never expires. Appointment required, contact by phone at (978) 493-5900. Valid only at listed location. Not valid for clients active in the last 6 months. Limit 1 per person(s), may buy 1 additional as gift(s). Valid only for option purchased. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). All goods or services must be used by the same 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