What makes tattoos permanent? on Retelly

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What makes tattoos permanent?

Jens Krogshede / Education / 12 July 2014

04:26 What makes tattoos permanent?

Jens Krogshede
/ Education

The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. That’s some old ink! And considering humans lose roughly 40,000 skin cells per hour, how do these markings last?

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