Promotional value expires 120 days after purchase. Amount paid never expires. Appointment required. Valid only at listed locations. Consultation required; non-candidates and other refund requests will be honored before service provided. Valid for regular cleaning only. Limit 1 per person. Merchant's standard cancellation policy applies (any fees not to exceed voucher price). Valid only for option purchased. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.