...unless you're into that sort of thing.
But assuming you like a little privacy during your shower time, perhaps you could scare away the pervs with this:

[$20, Fred Flare]
Okay, I know, I know. This Jaws shower curtain is more cute than creepy. But...made ya look, right?
[Via Ooh! Shiny!]
Related: A Shower Scene Straight Out of "Psycho", Special Education