No, this rule has nothing to do with your mood. "It's for pain management," says Mayorga. "When you PMS, your pain sensitivity is much higher." If you can help it, avoid scheduling the appointment three to five days before your period.

Tattoos don't have to be artsy — they can serve real practical purpose as well.

Hate doing your brows and lip liner every morning? "There is a branch of inking called Cosmetic Tattooing for your eyebrows, lips and lash lines," says Rakovic. (The skin gets numbed before these procedures for less pain).

"I'm also a big fan of tattoos that boost confidence in women," adds Taylor. "Covering scars, cellulite and stretch marks can all be very empowering. We're all beautiful, but sometimes I need to see something pretty in an area that I used to be shy about. To reclaim that part of me, to own it."