Arriving late may result in loss of appointment, no refund will be offered. Expires 90 days after purchase. Please arrive 5 minutes early. Persons under 16 must have guardian-signed waiver . Additional fees may apply depending on hair length, texture, and density. 72 -hour cancellation notice required . Limited availability on weekends . Appointment required, contact by phone at +44 7807 805432 ; provide Groupon code. Present Groupon on arrival.