Expires 4 months after purchase. Limit 1 per person, may buy 5 additional as gifts. Valid only for option purchased. New customers only. Booking required, please call 0208 980 8009; provide coupon code. Present Groupon on arrival. 48-hour cancellation policy. Must be 18 or older. Not valid on bank holidays. Valid Mon-Sat 10am-7pm. Valid at Roman Road branch only. Not suitable for pregnant women. Patch test required. Pricing verified using merchant's website on 19 Dec 2017.