Promotional value expires 120 days after purchase. Amount paid never expires. Not valid for redemption if you have any of the following health conditions: thyroid disease. Appointment required. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Limit 1 per person, may buy 2 additional as gift(s). May be repurchased every 120 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.