Here's what has to happen under your skin to permanently remove a tattoo

Laser tattoo removal is great for those unfortunate times you break up with "the one" (whose name you tattooed on your arm), realize butterflies don't belong on your lower back, or Mitt Romney loses a presidential election.

But how does a laser actually remove the tattoo? Turns out it all has to do with the size of our white blood cells.

Produced by Delano Samuels

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