Once you get on board the Spa will have an open house, you will be able to meet the ladies/men/staff and complete a walk thru of the facility. I am sure that you will find it to be very comfortable. As other posters have written there are specials posted in the cruise daily that is delivered to your stateroom. The staff of the Spa will know on what days the specials are, and what specials are being offered. I would suggest that you ask the staff when taking the on-board tour the first day, that you discuss what procedure you are seeking. There will be specials thru-out the week, but perhaps NOT what you are seeking, so try to give them an advance notice and perhaps they can sign you up for a particular day. On formal nights which are optionable for NCL passengers, many passengers will get decked out in dress, and many ladies will have their hair done in the spa/salon, so be prepared for that day. Doubtful you will find specials that day. The cruise is for pleasure, so get pampered as much as you can. You will enjoy the Spa.
Richard & Mary
Las Cruces, New Mexico USA