New customers only, any returning customers will be denied service. Expires 4 months after purchase. Limit 1 per person, may buy 1 additional as a gift. Mandatory booking required. Check availability here and book here. Appointment required at least 24 hours in advance. Present Groupon on arrival. 24-hour cancellation policy. Missing the appointment without notice may result in forfeiting the voucher. Must be 18 or older. 60-minute session time includes an initial consultation prior to the treatment. Not valid on weekends. Verified using our merchant's website on 1 Sep 2017.