Laser Tattoo Removal Explained

Laser Tattoo Removal Explained

Assessment

Interactive Video

Biology, Chemistry, Science

9th - 10th Grade

Hard

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The video explains how tattoos are removed using lasers. It begins by discussing the composition of tattoo ink, which includes heavy metals that make tattoos permanent but can also cause allergic reactions. The immune system's response to ink particles is described, highlighting why tattoos fade slowly over time. The laser removal process is detailed, focusing on how ultra-short pulse lasers break down ink particles through photothermal lysis, allowing the immune system to remove them. The video concludes by noting the cost, pain, and multiple sessions required for effective tattoo removal.

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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