Want To Know How Laser Tattoo Removal Works?

A couple weeks ago, we brought you a video showing the tattooing process in extreme slow motion.

Well, the YouTube channel behind that video, Smarter Every Day, decided to look at the opposite process. Laser tattoo removal.

The video begins with the science behind removal (basically making the pigment small enough for white blood cells to remove). The zapping starts at the seven-minute mark.