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Here's How Getting A Tattoo Removed Works

Spoiler alert: it's way harder to get a tattoo off than it is to put it on.

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SmarterEveryDay gives us the low down on the tattoo removal process in this fascinating video. Science is cool.

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From the moment the tattoo is placed, your body is trying to get rid of it. Your white blood cells literally try to eat the ink, but are too small to engulf the big chunks. Only the smaller particles get eaten and that's why tattoos fade over time.