What makes tattoos permanent? – Claudia Aguirre

View full lesson: http://ed.ted.com/lessons/what-makes-tattoos-permanent-claudia-aguirre

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? Claudia Aguirre details the different methods, machines and macrophages (you’ll see) that go into making tattoos stand the test of time.

Lesson by Claudia Aguirre, animation by TOGETHER.
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Semi-Permanent Ink Makes Erasable Tattoos a Reality

Ephemeral Tattoo has designed a new ink that remains in your body for 1 year, after which it fades away. Learn how this new semi-permanent ink works, and how it will change the tattoo industry.

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