My wife is a licensed cosmetologist.  Showering 3 times a day is horrible for your skin and hair.

EDIT: My wife, in response to a few requests, has starteded an AmA thread.  This is the link, ask away.  

https://www.reddit.com/r/AMA/comments/2rnopy/i_am_a_cosmetologist_i_have_7_years_under_my_belt/?sort=confidence