I can't help with the price but if you do decide that you want it done get your appointment set as early as possible. I did get a haircut once on a cruise and yes it cost much more that I would normally spend but it was probably the best cut I had had in years and since.
Akumal Mexico Reviews
Star Princess 2005, Sun Princess 2005
Caribbean Princess 2006, MSC Lirica 2006 , NCL Pearl 2007, Majesty of the Seas 2008, Carnival Destiny 2008, MSC Lirica 2009, Carnival Valor 2009,Carnival Legend 2010, Carnival Liberty 2010,Carnival Fantsay 2011,Carnival Valor Feb 2012, MSC Poesia Dec 2012, MSC Poesia April 2013