Laser Tattoo Removal Explained

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.

Why is the speed of the laser important in the tattoo removal process?

What are some challenges associated with tattoo removal?