The Science of Getting (and Getting Rid of) a Tattoo

The video explores the cultural significance of tattoos and explains how they work by penetrating the skin's layers. It discusses the pain associated with tattooing, the body's immune response, and why tattoos are permanent. The video also covers factors that cause tattoos to fade over time and the process of tattoo removal, highlighting the challenges and risks involved. It concludes with advice on considering tattoos carefully before getting one.

Discuss the factors that can cause a tattoo to fade over time.

What are the challenges associated with laser tattoo removal?