Promotional value expires 120 days after purchase. Amount paid never expires. Not valid for clients active within the past 6 month(s). Valid only with Yong. Appointment required. No Walk-in!. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Limit 4 per person. May be repurchased every 365 days. All goods or services must be used by the same person. If you make a reservation through Groupon, you may cancel or change your reservation up to 24 hours before its start time. Otherwise, vouchers booked through Groupon will be redeemed and the deal’s promotional value and amount paid will expire. Redeemed vouchers may not be refunded or rescheduled - this also applies to no-shows. Your name and email address will be shared with this merchant to facilitate your reservation. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Learn about Strike-Through Pricing and Savings