What happens to the pigment when it is implanted in the skin?

When researching for an article I was writing for the the permanent cosmetic industry, I found an article that was quite interesting. It is written for the medical community related to a specific area of cosmetic tattooing, but the basis of what happens to the pigment after it is implanted in the skin.

Unlike many works of art, I work on a living canvas. It changes constantly. Your body is constantly working with the pigment I implant. Please read this very interesting description. All photos have been removed from the content.