1 in 3 people have a tattoo, and over 40% of younger generations are inked. But what's actually happening inside your skin when you get tattooed? Using real human skin dissections, we're breaking down the three-layer process that makes tattoos (mostly) permanent. THE THREE SKIN LAYERS: Epidermis (paper-thin top layer, 0.1mm thick): Made of epithelial tissue with up to 50 cell layers constantly copying themselves and moving upward. Cells at the top flatten, die, and flake off - you shed over a mi