A TED-Ed Animation Explaining Why Tattoos Are Permanent

In the latest animation by TED-Ed, educator Claudia Aguirre and animator Hector Herrera discover the age-old origins of tattooing and explain why they stick around, in spite of the fact that we shed close to one million skin cells per day.

The simple solution is that tattooing involves getting color deeper into the skin than the outer-most layer that gets shed.