Promotional value expires 180 days after purchase. Amount paid never expires. New customers only. An appointment is required; call (415) 589-0785 to schedule and mention you’re using a GROUPON. A credit card is needed to hold your appointment, but you won’t be charged. Our standard policy applies to no-shows or cancellations within 3 hours. Valid only for option purchased. Limit 1 per visit. Limit 1 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